CN105284864A - Forest fruit trunk-injection insecticide and preparation method and application thereof - Google Patents
Forest fruit trunk-injection insecticide and preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a forest fruit trunk-injection insecticide and a preparation method and application thereof, and relates to the technical field of insect damage prevention for forest fruits. The forest fruit trunk-injection insecticide is prepared from the following components in parts by mass: 0.1 to 5 parts of abamectin Tech, 3 to 20 parts of imidacloprid Tech, 6 to 20 parts of surfactant, 5 to 20 parts of stabilizing agent, 1 to 6 parts of leaf photosynthesis promoter, and 22 to 85 parts of water. The forest fruit trunk-injection insecticide is valid in the whole year once being used; compared with the existing insecticide for spraying application, the forest fruit trunk-injection insecticide disclosed by the invention is good in effect, time-saving and labor-saving; the environmental pollution is avoided. The preparation method is simple in technology and low in cost; the application cannot be affected by the weather and the heights of the trees; the insecticide can completely enter plants, does not injure natural enemies, and can be used for a long time.
Description
Technical field
The present invention relates to woods fruit insect-pest technical field.
Background technology
Environmental protection is the most important thing of society, is mainly chemical fertilizer, agricultural chemicals, agricultural wastes in China's widespread pollution from the overuse of fertilizers and pesticides in rural area, and wherein pesticide pollution occupies sizable proportion.The anti-therapy of traditional spray can kill some insects fast and effectively, but there is the medicament of more than 90% to drip, drifting about to be lost in non-target environment slatterns, the availability of agricultural chemicals is very low, and the medicament of waste pollutes surrounding environment, destroys the ecological balance, and liquid contacts operator in a large number makes it very easily occur intoxicating phenomenon, drift liquid also affects the healthy of pedestrian.Since last century the eighties, people are in order to pursue high yield, orchard worker sees that worm just beats, pesticide dosage significantly promotes, beneficial insect is caused to be killed in a large number, ecological balance heavy damage, the minor pests that ceroplastes floridensis, San Jose scale, jujube mealybug, flatheaded borer, leopard moth, jujube tree green plant bug silk worm, skin blackening snout moth's larva etc. are difficult to prevent and treat is more and more rampant.In order to improve the availability protection of the environment of agricultural chemicals; domestic and international scientific research personnel in succession begins through injection miscellaneous (having an injection) apparatus from the twenties in last century and carries out tree trunk injection; medicine-injecting method is directly injected by agricultural chemicals in tree body, is sent to the tree each position of body through trunk conducting tissue.This ruling by law worm medicament does not drift about, and does not contact with surrounding environment, avoids the injury of agricultural chemicals to people and animals and beneficial insect, and becomes very simple to the control of scale insect and borer pest.
Because trunk injection dispenser belongs to a new technology of fruit tree and forest management, on market, special-purpose medicaments pole is hard to buy, and people use with injecting trunk after existing spraying medicament dilution usually, often occur the phenomenon that medicine-pouring port poisoning, medicament photodissociation or hydrolysis were lost efficacy.Because two kinds of medicaments have essential distinction: spraying medicament employs a large amount of organic solvents in former medicine course of dissolution, and thin up can be hydrolyzed, become very unstable, medicament needs now with the current, and its scope of application is wide, and all plants all can use.The approach that aerosol bomb enters polypide is oral cavity, body wall and valve, uses rear insect can without taking food, by incoming call toxic gas, Body contact medicament and being poisoned to death; Woods fruit injection drying agent is that do not need during use to add water and directly inject, insect has to pass through to take food and just can be poisoned to death by a small amount of organic solvent by the novel aqua be mixed and processed by a certain percentage with antidegradant, antioxidant etc. soluble in water for former medicine.Therefore the research and development of woods fruit injection drying agent are most important.
Summary of the invention
The technical problem to be solved in the present invention is to provide an elite stand fruit and notes dry insecticide and its preparation method and application, and it is effectively annual that this woods fruit notes dry insecticide a drug, compared with spraying with existing insecticide, effective, time saving and energy saving, avoids the pollution of environment; This preparation method's technique is simple, and cost is low; This application is not by weather and the impact of setting height, and agricultural chemicals all enters in plant corpus, does not hinder natural enemy, can Long-Time Service.
For solving the problems of the technologies described above, the technical solution used in the present invention is: an elite stand fruit notes dry insecticide, comprises the component of following mass parts:
The former medicine of Avermectin 0.1 ~ 5 part,
The former medicine of Imidacloprid 3 ~ 20 parts,
6 ~ 20 parts, surfactant,
Stabilizing agent 5 ~ 20 parts,
Leaf photosynthesis promoter 1 ~ 6 part,
22 ~ 85 parts, water.
Preferably, also comprise
Plant tobacco extract 0.5 ~ 7 part.(plant tobacco extract is containing the plant tobacco extract got by alkali, acid or water extraction).
Preferably, the alkali extracting method of plant tobacco extract is: by tobacco (leaf, muscle, stem, root, Hua Junke use) grinds, add the potassium hydroxide aqueous solution of tobacco 0.5-5 times quality, the mass concentration of potassium hydroxide aqueous solution is 2-10%, stir, after leaving standstill, filter and squeeze out the residual liquid in tobacco, again by concentrated for filtered fluid heating, when filtered fluid residue 40%-60% volume, one or more adding in tannic acid, citric acid or malic acid stir, stop heating putting to normal temperature when pH value reaches 6 ~ 7, obtain plant tobacco extract.
Preferred further, the alkali extracting method of plant tobacco extract is: by tobacco (leaf, muscle, stem, root, Hua Junke use) grinds, add the potassium hydroxide aqueous solution of tobacco 0.5-5 times quality, the mass concentration of potassium hydroxide aqueous solution is 2-10%, stir 1 ~ 2 hour, leave standstill after 12-36 hour, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add malic acid when filtered fluid residue 40%-60% volume to stir, heating is stopped to put to normal temperature when pH value reaches 6 ~ 7, obtained plant tobacco extract.
Preferably, the component of following mass parts is comprised:
The former medicine of Avermectin 0.5 ~ 4 part,
The former medicine of Imidacloprid 3 ~ 15 parts,
10 ~ 19 parts, surfactant,
Stabilizing agent 9 ~ 17 parts,
Leaf photosynthesis promoter 1 ~ 3 part,
38 ~ 76 parts, water.
Preferably, also comprise
Plant tobacco extract 0.5 ~ 4 part.
Preferably, surfactant is one or more in polyethylene glycol, dimethyl sulfoxide (DMSO), castor oil polyoxyethylene ether, alkylphenol polyoxyethylene or fatty alcohol-polyoxyethylene ether; Stabilizing agent is one or more in tannic acid, citric acid or malic acid.
Preferably, leaf photosynthesis promoter is one or more in magnesium sulfate, urea.
Woods fruit notes dry method for producing insecticide, comprises the following steps:
Be dissolved in surfactant by former for Imidacloprid medicine, the former medicine of Avermectin, add water, then mix with leaf photosynthesis promoter, regulate pH to 5 ~ 7 with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, namely obtained woods fruit notes dry insecticide.
Preferably, comprise the following steps:
Former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, then mix with leaf photosynthesis promoter, regulate pH to 5 ~ 7 with stabilizing agent, stir, after leaving standstill, obtain light yellow homogeneous phase transparent liquid, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The present invention also comprises woods fruit and notes the application of dry insecticide in control jujube tree, apple tree, pear tree and forest pest, is injected in trunk.
The effect of each composition:
The effect of Avermectin and the former medicine of Imidacloprid
Avermectin and Imidacloprid are the agricultural chemicals meeting country's " A level pollution-free food " and " agricultural product security quality " production standard, for control of insect.
Avermectin is a kind of macrolide disaccharide insecticides, has stomach toxicity and action of contace poison, can not ovicidal.Preparation is without interior absorption, and have the advantages that broad-spectrum high efficacy, low toxicity, low-residual, farming animals are dual-purpose, Avermectin, in the environment without cumulative function, can be decomposed by edaphon, is a kind of excellent miticide.
Imidacloprid is the efficient systemic insecticide of nicotinoids, and residual life reaches about 25 days.Have wide spectrum, efficient, low toxicity, low-residual, insect not easily produces resistance, to features such as people, animal, plant and natural enemies securities, is mainly used in preventing and treating sucking pest, as aphid, aleyrodid, leafhopper, thrips etc., but to nematode and two spotted spider mite invalid.
Avermectin and Imidacloprid are with the use of having the following advantages: 1. can make up single dose deficiency, expand the prevention and treatment range of agricultural chemicals, realize a medicine and control more; 2. respective intoxicating effect is collaborative to be promoted, synergy each other; 3. the agricultural chemicals lasting period extends, good disinsection effect, and dosage reduces, and cost accounting reduces; 4. good with surrounding environment compatibility, to pest natural enemy and person poultry safety, insect not easily develops immunity to drugs.
The effect of surfactant
Surfactant (solubilizer) is by organic medicament component dissolves that is insoluble or that be slightly soluble in water wherein, helps former medicine to be evenly dispersed in preparation, forms no suspended substance and precipitate transparent liquid.
The effect of stabilizing agent
Adjust ph scope, keeps the pH value of woods fruit injection drying agent between 5-7, in stable subacidity state.
The effect of leaf photosynthesis promoter
The chlorophyll content of plant leaf blade can be significantly improved, promote photosynthesis, improve photosynthetic rate, reduce because of the nutrient consumption caused by photorespiration, increase the accumulation of fruit dry matter, ensure fruit high-quality and high yield.
The effect of plant tobacco extract
Containing the abundant bioactivator such as Salanesol, chlorogenic acid, rutin, alkaloid in tobacco, there is the effect of desinsection, antibacterial and stimulating plant growth, Avermectin and the mutual synergy of Imidacloprid also can be made not by photodissociation.
Through site test, seminar personnel find that not all agricultural chemicals can be used for trunk injection, absorption medicament " Rogor " in as fabulous in spraying insect, the phenomenon having conduction bad after injection in jujube tree body occurs, pest controling effect is not good, and noting dry medicament is not thus interior absorption medicament entirely.
Woods fruit desinsection injection is ideal environment-friendly type non-pollution culture, huge with existing spray difference, it integrates nutrition, desinsection, during use, medicament directly injects in tree body without dilution, do not come in contact with surrounding environment, avoid the injury of agricultural chemicals to people and animals and other beneficial organisms, and a drug is effectively annual.
2008 ~ 2015 years applying by a large amount of field trial research in 5 years and 3 years, find that this agent dispenser is convenient, preventive effect is remarkable, economical and practical, through test on probation, agricultural chemicals maximum residue limit, lower than state food safety standard (GB2763-2014), is the optimal formulation of control of insect in Green food production process.
The beneficial effect adopting technique scheme to produce is:
(1) woods of the present invention fruit note dry insecticide inject wooden after, dredge tissue conduction through trees, fast woods fruit noted dry insecticide and transport to each position of tree crown and kill the insect that body is set in harm, achieve the accurate prevention and control of insect;
(2) woods of the present invention fruit to note dry insecticide availability high, medicine does not limit by environmental conditions such as wind and weather, illumination decomposition, no matter be rainy, windy or drought and water shortage all can use, the situation that when there will not be spraying control, a large amount of medicament drift is scattered and disappeared, is especially applicable to drought and water-scarce area and uses;
(3) woods of the present invention fruit notes the fertile economic benefits and social benefits of dry insecticide medicine, apart from outside good insecticidal effect, also can be forest, fruit tree provides various nutritive elements needed for growth;
(4) woods of the present invention fruit to note dry insecticide insecticidal range wide, medicine-injecting method not only can kill defoliator, and can also kill shell insect that sucking pest and conventional method be difficult to prevent and treat, borer pest and vascular bundle insect etc.;
(5) woods fruit of the present invention notes dry insecticide control insect, not by weather and the impact of setting height, agricultural chemicals all enters in plant corpus, a drug is annual does not effectively hinder natural enemy, can Long-Time Service, medicine-pouring hole can heal then, little to the injury of tree body, and labour intensity is little, applied range, is applicable to the control of the fruit trees such as jujube, apple, pears and forest pest.
Embodiment
Below in conjunction with embodiment, the present invention is further detailed explanation.
Embodiment 1
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 0.1kg of Avermectin, the former medicine 10kg of Imidacloprid, surfactant 16kg, stabilizing agent 5kg, leaf photosynthesis promoter 1kg, plant tobacco extract 7kg, water 60.9kg.Surfactant is polyethylene glycol; Stabilizing agent is tannic acid; Leaf photosynthesis promoter is magnesium sulfate.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 7 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 0.5 times of quality, the mass concentration of potassium hydroxide aqueous solution is 5%, stir 1 hour, leave standstill after 12 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add tannic acid to stir when filtered fluid remains 40% volume, stop heating putting to normal temperature when pH value reaches 7, obtained plant tobacco extract.
Embodiment 2
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 5kg of Avermectin, the former medicine 18kg of Imidacloprid, surfactant 20kg, stabilizing agent 20kg, leaf photosynthesis promoter 6kg, plant tobacco extract 0.5kg, water 22kg.Surfactant is dimethyl sulfoxide (DMSO); Stabilizing agent is citric acid; Leaf photosynthesis promoter is urea.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 5 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 5 times of quality, the mass concentration of potassium hydroxide aqueous solution is 2%, stir 2 hours, leave standstill after 36 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add citric acid to stir when filtered fluid remains 50% volume, stop heating putting to normal temperature when pH value reaches 6, obtained plant tobacco extract.
Embodiment 3
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 0.5kg of Avermectin, the former medicine 5kg of Imidacloprid, surfactant 15kg, stabilizing agent 10kg, leaf photosynthesis promoter 1.8kg, plant tobacco extract 6kg, water 61.7kg.Surfactant is castor oil polyoxyethylene ether; Stabilizing agent is malic acid; Leaf photosynthesis promoter is magnesium sulfate 1kg, urea 0.8kg.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 6 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 1 times of quality, the mass concentration of potassium hydroxide aqueous solution is 10%, stir 1.5 hours, leave standstill after 24 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add malic acid to stir when filtered fluid remains 60% volume, stop heating putting to normal temperature when pH value reaches 6, obtained plant tobacco extract.
Embodiment 4
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 4kg of Avermectin, the former medicine 15kg of Imidacloprid, surfactant 18kg, stabilizing agent 16kg, leaf photosynthesis promoter 5kg, plant tobacco extract 4kg, water 38kg.Surfactant is alkylphenol polyoxyethylene; Stabilizing agent is malic acid; Leaf photosynthesis promoter is urea.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 6 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 2 times of quality, the mass concentration of potassium hydroxide aqueous solution is 2%, stir 2 hours, leave standstill after 24 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add malic acid to stir when filtered fluid remains 50% volume, stop heating putting to normal temperature when pH value reaches 6, obtained plant tobacco extract.
Embodiment 5
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 1.5kg of Avermectin, the former medicine 20kg of Imidacloprid, surfactant 19kg, stabilizing agent 17kg, leaf photosynthesis promoter 4kg, plant tobacco extract 1kg, water 37.5kg.Surfactant is fatty alcohol-polyoxyethylene ether; Stabilizing agent is citric acid; Leaf photosynthesis promoter is magnesium sulfate.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 7 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 3 times of quality, the mass concentration of potassium hydroxide aqueous solution is 4%, stir 1 hour, leave standstill after 18 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add malic acid to stir when filtered fluid remains 55% volume, stop heating putting to normal temperature when pH value reaches 7, obtained plant tobacco extract.
Embodiment 6
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 2.5kg of Avermectin, the former medicine 3kg of Imidacloprid, surfactant 6kg, stabilizing agent 6kg, leaf photosynthesis promoter 1kg, plant tobacco extract 5.5kg, water 76kg.Surfactant is polyethylene glycol; Stabilizing agent is tannic acid; Leaf photosynthesis promoter is magnesium sulfate 0.5kg, urea 0.5kg.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 6 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 4 times of quality, the mass concentration of potassium hydroxide aqueous solution is 6%, stir 2 hours, leave standstill after 30 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add malic acid to stir when filtered fluid remains 48% volume, stop heating putting to normal temperature when pH value reaches 6, obtained plant tobacco extract.
Embodiment 7
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 3.5kg of Avermectin, the former medicine 7kg of Imidacloprid, surfactant 8kg, stabilizing agent 9kg, leaf photosynthesis promoter 1.5kg, plant tobacco extract 5kg, water 66kg.Surfactant is polyethylene glycol 6kg, alkylphenol polyoxyethylene 2kg; Stabilizing agent is tannic acid 5kg, malic acid 4kg; Leaf photosynthesis promoter is urea.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 5 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 4.5 times of quality, the mass concentration of potassium hydroxide aqueous solution is 7%, stir 1.5 hours, leave standstill after 24 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add malic acid and citric acid stirring when filtered fluid remains 45% volume, stop heating putting to normal temperature when pH value reaches 6, obtained plant tobacco extract.
Embodiment 8
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 1kg of Avermectin, the former medicine 12kg of Imidacloprid, surfactant 10kg, stabilizing agent 13kg, leaf photosynthesis promoter 3kg, plant tobacco extract 3kg, water 58kg.Surfactant is alkylphenol polyoxyethylene 5kg, fatty alcohol-polyoxyethylene ether 5kg; Stabilizing agent is tannic acid; Leaf photosynthesis promoter is magnesium sulfate.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 6 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 3.5 times of quality, the mass concentration of potassium hydroxide aqueous solution is 8%, stir 1 hour, leave standstill after 36 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add tannic acid and malic acid stirring when filtered fluid remains 57% volume, stop heating putting to normal temperature when pH value reaches 6, obtained plant tobacco extract.
Embodiment 9
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 2kg of Avermectin, the former medicine 14kg of Imidacloprid, surfactant 12kg, stabilizing agent 11.5kg, leaf photosynthesis promoter 2kg, plant tobacco extract 2kg, water 56.5kg.Surfactant is polyethylene glycol; Stabilizing agent is tannic acid; Leaf photosynthesis promoter is magnesium sulfate 1kg, urea 1kg.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 7 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 2.5 times of quality, the mass concentration of potassium hydroxide aqueous solution is 9%, stir 2 hours, leave standstill after 24 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add tannic acid and citric acid stirring when filtered fluid remains 50% volume, stop heating putting to normal temperature when pH value reaches 7, obtained plant tobacco extract.
Embodiment 10
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 3kg of Avermectin, the former medicine 16kg of Imidacloprid, surfactant 14kg, stabilizing agent 14.5kg, leaf photosynthesis promoter 3.5kg, plant tobacco extract 1.5kg, water 47.5kg.Surfactant is polyethylene glycol 5kg, castor oil polyoxyethylene ether 5kg, alkylphenol polyoxyethylene 4kg; Stabilizing agent is tannic acid; Leaf photosynthesis promoter is urea.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 6 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 1.5 times of quality, the mass concentration of potassium hydroxide aqueous solution is 3%, stir 1 hour, leave standstill after 24 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add malic acid to stir when filtered fluid remains 52% volume, stop heating putting to normal temperature when pH value reaches 6, obtained plant tobacco extract.
Embodiment 11
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 0.1kg of Avermectin, the former medicine 3kg of Imidacloprid, surfactant 6kg, stabilizing agent 5kg, leaf photosynthesis promoter 1kg, plant tobacco extract 0.5kg, water 85kg.Surfactant is polyethylene glycol; Stabilizing agent is malic acid; Leaf photosynthesis promoter is urea.
Preparation method: former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, mix with leaf photosynthesis promoter again, pH to 7 is regulated with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
The preparation method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 3 times of quality, the mass concentration of potassium hydroxide aqueous solution is 6%, stir 2 hours, leave standstill after 18 hours, filter and squeeze out the residual liquid in tobacco, again filtered fluid is heated to 70 ~ 95 DEG C concentrate, add malic acid to stir when filtered fluid remains 50% volume, stop heating putting to normal temperature when pH value reaches 7, obtained plant tobacco extract.
Embodiment 12
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 0.1kg of Avermectin, the former medicine 10kg of Imidacloprid, surfactant 6kg, stabilizing agent 5kg, leaf photosynthesis promoter 1kg, water 85kg.Surfactant is polyethylene glycol; Stabilizing agent is tannic acid; Leaf photosynthesis promoter is magnesium sulfate.
Preparation method: be dissolved in surfactant by former for Imidacloprid medicine, the former medicine of Avermectin, add water, then mix with leaf photosynthesis promoter, regulates pH to 7 with stabilizing agent, stirs, and obtains light yellow homogeneous phase transparent liquid after leaving standstill, and namely obtained woods fruit notes dry insecticide.
Embodiment 13
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 0.5kg of Avermectin, the former medicine 20kg of Imidacloprid, surfactant 19kg, stabilizing agent 9kg, leaf photosynthesis promoter 2kg, water 76kg.Surfactant is dimethyl sulfoxide (DMSO); Stabilizing agent is citric acid; Leaf photosynthesis promoter is urea.
Preparation method: be dissolved in surfactant by former for Imidacloprid medicine, the former medicine of Avermectin, add water, then mix with leaf photosynthesis promoter, regulates pH to 6 with stabilizing agent, stirs, and obtains light yellow homogeneous phase transparent liquid after leaving standstill, and namely obtained woods fruit notes dry insecticide.
Embodiment 14
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 4kg of Avermectin, the former medicine 6kg of Imidacloprid, surfactant 10kg, stabilizing agent 17kg, leaf photosynthesis promoter 5kg, water 58kg.Surfactant is castor oil polyoxyethylene ether; Stabilizing agent is malic acid; Leaf photosynthesis promoter is magnesium sulfate.
Preparation method: be dissolved in surfactant by former for Imidacloprid medicine, the former medicine of Avermectin, add water, then mix with leaf photosynthesis promoter, regulates pH to 6 with stabilizing agent, stirs, and obtains light yellow homogeneous phase transparent liquid after leaving standstill, and namely obtained woods fruit notes dry insecticide.
Embodiment 15
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 5kg of Avermectin, the former medicine 3kg of Imidacloprid, surfactant 15kg, stabilizing agent 20kg, leaf photosynthesis promoter 6kg, water 38kg.Surfactant is alkylphenol polyoxyethylene; Stabilizing agent is tannic acid; Leaf photosynthesis promoter is magnesium sulfate 3kg, urea 3kg.
Preparation method: be dissolved in surfactant by former for Imidacloprid medicine, the former medicine of Avermectin, add water, then mix with leaf photosynthesis promoter, regulates pH to 5 with stabilizing agent, stirs, and obtains light yellow homogeneous phase transparent liquid after leaving standstill, and namely obtained woods fruit notes dry insecticide.
Embodiment 16
Woods fruit notes dry insecticide, comprises the component of following mass parts: the former medicine 2.5kg of Avermectin, the former medicine 15kg of Imidacloprid, surfactant 20kg, stabilizing agent 13kg, leaf photosynthesis promoter 3kg, water 22kg.Surfactant is fatty alcohol-polyoxyethylene ether; Stabilizing agent is tannic acid 6kg, malic acid 7kg; Leaf photosynthesis promoter is urea.
Preparation method: be dissolved in surfactant by former for Imidacloprid medicine, the former medicine of Avermectin, add water, then mix with leaf photosynthesis promoter, regulates pH to 7 with stabilizing agent, stirs, and obtains light yellow homogeneous phase transparent liquid after leaving standstill, and namely obtained woods fruit notes dry insecticide.
test example
one, test in 2014
1. experimental field overview
Be experimental field that in jujube garden, Huaihe River town, Xian County, Hebei province, seeds are golden jujube, the tree vigo(u)r golden mean of the Confucian school, the lower management of tree is better, without weeds and root turion seedling.The age of tree 32 ~ 35 years, seeding row spacing 6.0m × 3.5m, trunk rugosity difference is little, average base footpath 24.5cm, dry high 1.15m, height of tree 4.12m, crown diameter 3.5m.
2. experimental scheme
Test establishes 4 process, A altogether: this agent of gravity flow instillation, B; Spray 1.8% abamectin emulsifiable concentrate 2000 times of liquid, C; Spray 20% imidacloprid emulsion 2000 times of liquid, D:CK; Clear water contrasts.Every 2 strain trees are a process unit, by red paint marker number on trunk, randomized arrangement, repeat 3 times.Because every row jujube tree marshalling, branches and leaves interlock, with 2 strain jujube trees isolation between therefore repeating, reduce due to the impact that insect density is uneven and interference between adjacent process causes test as far as possible.
Test method: A process: in trunk south apart from 40 ~ 50cm place, ground, with electric hand drill downwards in 45
oangular bit hole, bit diameter 6mm, hole depth 5 ~ 6cm, every strain test tree beats injection orifice 1, inserts the injection bottle that flows automatically and to instil this agent (dosage of general more than 5cm jujube tree scapus is: 5 ~ 10cm scapus 3mL, 10 ~ 15cm scapus 5ml, 15 ~ 20cm scapus 8ml, 20 ~ 25cm scapus 10ml, 25 ~ 30cm scapus 13ml, 30 ~ 35cm scapus 15ml); B, C, D process is sprayed to full tree with sprayer respectively.
For ease of seeing the insect that tree drops clearly, the dead borer population of convenient statistics, before process, first by the soil hoe hoe pine under all test trees, then to A process test tree punch, injection, finally lay thick plastic foil, laid rear B, C, D process and carried out spray testing.Collect on schedule and record the quantity from setting the dead insect that drops, calculating control efficiency.For preventing white pollution, plastic foil can be packed up after jujube looper has been investigated.
Processing time: the morning on April 23rd, 2014 (this agent is annual only instils 1 time).
For examination apparatus: electric hand drill, instillator, sprayer.
3. the control efficiency of jujube pest
The control efficiency of 3.1 pairs of jujube loopers
3.1.1 the biological property of jujube looper
This Eimeria Lepidoptera, Geometridae.Be commonly called as jujube inchworm, worm etc. of bending over.All there is distribution in Ge Zao district, and to cause harm blade, young shoot with larva, the later stage turns anthophagy flower bud, gnaws young fruit, blade, bud can be eaten up, cause the underproduction or total crop failure time serious.
In 1 year 1 generation, to survive the winter in the pupa soil that 10-15 ㎝ is dark under tree crown, the most concentrated within the scope of trunk 1m, mid or late March is sprouted wings, and sprouting wings at the beginning of by the end of April to 5 month stops.The many emergence in the afternoon of male moth is unearthed, and flies to shady spot subsequently and hides, and female moth emergence is many at shady places such as tree root weeds after being unearthed, and post sunset is upwards creeped along trunk, finds male moth mating.Mating was laid eggs in 3 days, and ovum originates in bark crack, crotch and dry short wooden stake place.Ovum is assembled in heaps, and every 1 female moth egg 1000-1200 grain, about ovum phase 10-25 days, Life of Adult 7-15 days, female moth was slightly longer than the male moth life-span.Mid or late April, larva started hatching, and the hatching Sheng phase, caused harm in the jujube stock place that newly hatched larvae is clustered in tree crown more in the first tenday period of a month in May, and the full tree of dispersion after a while, creeps rapidly, namely weave silk sagging after frightened, therefore claim " ghost of person who hanged himself ".3 age appetite increase, 4,5 instar larvaes also go here and there anthophagy flower bud, time serious by entirely setting bud, leaf, flower bud eat up, and belongs to binge insect.Mid or late May starts to bury successively to pupate, and early June is the Sheng phase, and mid or late June all buries, and generally buries and pupates for latter 6 days.
3.1.2 test results and analysis
The control efficiency investigation of jujube looper is used in and within 1,2,5,7,10 day, collects respectively and the quantity recorded from setting the dead insect that drops, drop to the jujube looper health serious distortion distortion on ground, very fast dead, therefore in this test, the borer population that falls is regarded as dead borer population.Dispenser is after 10 days, with 4.5% r, 1500 times of liquids, test tree is sprayed (wide, the spraying of beta-cypermethrin insecticidal spectrum falls after spray before using, and speed of knocking down is fast), remove looper remaining on jujube tree, make it to fall earthward, the insect population radix on statistical disposition jujube tree.Fall after dispenser after borer population adds spray pesticide and fall borer population sum as insect population radix, computing formula is as follows:
Calculate Revision insect recluced rate:
Revision insect recluced rate={ before (before process the rear insect population number of insect population number-process)/process insect population number } × 100%;
Correct Revision insect recluced rate={ (process Revision insect recluced rate-contrast Revision insect recluced rate)/(1-contrasts Revision insect recluced rate) } × 100%.
Can be found out by test data in table 1, after medication 10d, instil this agent and foliage-spray 1.8% Avermectin 2000 times of liquid, 20% imidacloprid emulsion, 2000 times of liquid of trunk all have good control efficiency to jujube looper, and its Revision insect recluced rate is respectively 98.2%, 79.0% and 98.8%.In addition as can be seen from Table 1, instillation desinsection peak period 2 ~ 5d after treatment, illustrates that medicament pulls through transpiration, is absorbed by trunk, conduct, is transported to branches and leaves, then by pests, need the regular hour.Find out simultaneously, Avermectin and Imidacloprid two kinds of medicament foliage-spray 48h jujube loopers are with regard to mortality, the quick-acting showing two kinds of reagent spray controls is compared with instillation, this is the advantage of spray-on process pest control, also be the phenomenon that orchard worker is happy to see, but this is also huge to around group's adverse influence, while killing off the insect pests, namely kill and wound the natural enemy of a large amount of insect, affect the balance of surrounding environment and the ecosystem, cause secondary pest to become mainly to cause harm the rampant again of population and pest.
The control efficacy observation of 3.2 pairs of jujube ceroplastes floridensiss
From the jujube growth of the whole year, once spray medicine only effective to several insect pests occurred in the recent period, whole Growing season can not be affected, but trunk instils then different.
3.2.1 the biological property of jujube ceroplastes floridensis
Jujube ceroplastes floridensis belongs to Homoptera wax coccidae, has another name called Ceroplastes japonicus Green, and popular name tree louse, jujube lice etc., all there is distribution in national each date district.Except causing harm except jujube, section more than 30 more than 50 Plants such as persimmon of also causing harm, apple, pears, pomegranate.With nymph, female adult pest thorn surculus, leaf, fruit juice.Its secretion causes mould and occurs, and branches and leaves dye is black, and shape is as dirty in coal, and cause photosynthesis to be obstructed, tree vigo(u)r is weak, shedding increases the weight of, severe one causes dead arm extremely to set.1 year 1 generation, with female adult pest of being fertilized one, on biennial branch set survive the winter.During resin flowing in March in next year, female worm recovers to take food--and thorn inhales resin, increases polypide.Start to lay eggs at the beginning of by the end of May to 6 month, female worm egg laying amount is large, most more than thousand.Spawning period is at early and middle ten days in June, and mid or late June starts hatching, and early July is the hatching Sheng phase, hatches complete by the end of July.Newly hatched larvae can movable 4-6 days, and be afterwards fixed on face of blade more, jujube head, Secondary Branch, jujube hang on thorn suction and cause harm, in 6-7 month, when rainwater is on the high side, air humidity is large, incubation rate and the nymph survival rate of ovum are all high; Otherwise temperature drying, incubation rate and survival rate are just low.Male worm early August starts to pupate, for pupating the Sheng phase at the beginning of by the end of August to 9 month, start mid-August to sprout wings, mid-September is the emergence Sheng phase, after male worm sprouts wings, daytime seeks female worm mating, hangs on the female worm of causing harm climb back gradually on branch to mid or late August at leaf and jujube, and September, early and middle ten days was back that branch contains the phase, early October, most of female worm returned branch, maintained static afterwards and entered Wintering Period.
3.2.2 instillation is to the control efficacy observation of Ceroplastes japonicus Green
Ceroplastes floridensis wears wax layer, extremely difficult control, and the generating capacity of this worm on jujube tree is increasing in recent years, often has the blackening of large area jujube tree branches and leaves at the beginning of 9 months, and the phenomenon that blade comes off in advance occurs.Traditional spray control GPRS good desinsection opportunity, hatch to being best control opportunity before wax shell is formed from nymph, otherwise nymph is once form shell, and chemical control is just difficult to prove effective.
Investigation method
Before medicine, the branch that length is 1m is chosen to 4 orientation, every strain jujube tree four corners of the world, investigation insect population radix, and carry out mark.Within after control the 3rd, 7,13,20 day, to process branch lens examination insect death condition, namely shrivelled the hardening of discovery polypide regard as dead worm, and polypide color and luster is normal, turgor is worm alive, and investigation result is in table 2.
Computing formula is as follows:
Revision insect recluced rate={ before (before process the rear insect population number of insect population number-process)/process insect population number } × 100%;
Table 2 test data can be found out, trunk instils after this agent and foliage-spray Imidacloprid, Avermectin 3d all can kill a small amount of ceroplastes floridensis.More known by data: after 20 days, this agent Revision insect recluced rate reaches 99.1%, and spray Imidacloprid, Avermectin process Revision insect recluced rate is respectively 11.7% and 3.8%, between each process, control efficiency difference is extremely remarkable.It can thus be appreciated that trunk instillation preventive effect is best, sprays Imidacloprid, that Avermectin two processes control efficiency is all poor.Because ceroplastes floridensis spray medicine control optimal period is mid or late June, this phase polypide just hatch, wax is not yet formed, comparatively responsive to medicine, and jujube tree is now in can not the bearing fruit the phase, so this worm causes disaster of insecticide spraying.The processing time of this test in late April, now jujube ceroplastes floridensis wear wax layer, polypide extremely difficult medicine, so control efficiency is not good; And drip medicament directly enters in tree body by conduction absorption, pull through leaf transpiration, medicament is sent to the tree each position of body, this worm recovers to suck namely to be killed, and table 2 data fully indicate the superiority that the cured shell of anti-tool that instils protects insect.
3.3 pairs of two spotted spider mite control efficiency investigation
Purplish red spider is compound population, belongs to Acarina, jujube leaf of mainly causing harm, and makes jujube leaf occur the pale yellow point in local before this, along with aggravation of causing harm, spread to offshoot along blade master pulse, occur that yellowish-white or yellowish-brown dries up shape patch, and color is deepened gradually, as burnt shape, finally cause coming off.Usually cause early leaf fall when causing harm serious, have a strong impact on jujube fruit quality and yield, and have a strong impact on tree vigo(u)r.
3.3.1 the biological property of purplish red spider
There are for 12 ~ 15 generations in l, survives the winter in bark crack, grass roots and soil crack with female adult pest.Next year, mid or late March came into play when jujube tree germinates to mid-April, newly hatched larvae first takes food on weeds, bred for two generations after start to move to jujube tree.Late May formed harm, 6 ~ August for harm the Sheng phase, mid or late October weather turn cold, female mite starts migration and survives the winter.
3.3.2 investigation result and analysis
Jujube tree East, West, South, North, in 5 directions respectively choose the red paint of 10 blades and mark, May 20 instituted an inquiry blade worm head number.Due to summer weather arid in 2014, two spotted spider mite occurred serious, and spraying Avermectin, Imidacloprid and contrast tree index blade when June 20 was investigated all has partial exfoliation, causes investigation to stop.At random won 200 slice blades July 24 to each process so change into, number has got the worm number of blade, calculates worm leaf rate (table 3).
Found out by table 3 test data: this agent injection in spring once can have good control efficiency (worm leaf rate 4.5%) to jujube tree two spotted spider mite, spray spring Avermectin and Imidacloprid then to two spotted spider mite without control efficiency (worm leaf rate equal 100%).By visual observations, mostly leaf look dark green for the blade that this agent is got that instils, and has worm blade local to have pale yellow point on a small quantity, and the blade that worm amount is maximum has worm 28 (observing with 15 times of hand magnifiers); The blade main lobe arteries and veins of spray medicine process then dries up in a large number with a vein, leaf margin sends out Jiao, and red, white spider is covered with full leaf, is about to come off as burnt shape.This is because the processing time is in late April, and from the biological property of jujube tree two spotted spider mite, now two spotted spider mite has just started to the upper transfer of tree, although Avermectin is excellent miticide, not this worm on blade, therefore to two spotted spider mite without control efficiency.This agent is by Avermectin and Imidacloprid is composite forms, two composite reagents can synergy each other, learn from other's strong points to offset one's weaknesses, detect according to branch center, Technology Center Of Hebei Import and Export Inspection and Quarantine Bureau Cangzhou, the injection 70d(7 month 22) Avermectin and Determination of Imidacloprid Residue are respectively 0.78mg/kg and 0.80mg/kg in Chinese Jujube, and the Avermectin of this pharmaceutical quantities is enough to kill the two spotted spider mite taking food jujube tree juice.Can prove that instillation is a kind of elegant formulations that can be used for preventing and treating jujube tree two spotted spider mite thus.
two, test in 2015
The morning on May 13rd, 2015 has carried out repetition pharmacy test according to above-mentioned processing method, and object is the stability of checking said preparation.
1. pair jujube tree two spotted spider mite control efficiency investigation
Investigation method
Again occur to prevent the event of leaf abscission in 2014, we are not to process tree index blade, directly July 22 respectively process tree East, West, South, North, in each orientation win 20 blades at random, totally 600 blades, number has got the worm number of blade, calculates worm leaf rate (table 4).
Found out by table 4 data: three kinds of this agent of process control two spotted spider mite effects are best.By visual observations, it is dark green that blade and blade look is got in this agent of instiling, and spray medicine process is got blade master pulse and offshoot both sides and occurred that yellowish-brown dries up patch, and red white spider is covered with full leaf.
Duration of test, because annual field weather conditions are different, cause various insect pest generating capacity different, the extent of injury is also different, and the drought in summer time in 2014 is longer, and field two spotted spider mite generating capacity was higher than 2015 then.By the data of comparison sheet 3 and table 4, find that the control efficiency of same medicament different year there are differences, but Long-term change trend is identical, the control efficiency difference between the time is not obvious, illustrate that weather conditions are less on the impact of tree trunk injection Pesticidal technology, this agent anthelminthic effect is stablized.
2. in order to verify the large-area effect of said preparation, on April 29th, 2015, carry out applying (annual this agent of instillation once) to this agent in hollow 20.3 hectares of jujube gardens, north, Huai Zhenluozhuan village, Xian County, Hebei, be contrast with Routine Management (annual spray medicine 12 times, institute's with medicament is according to the insect pest in each season a situation arises corresponding medication).Random selecting 10 on the 25th strain in September uses test tree and the contrast tree of this agent, by East, West, South, North, in 5 directions respectively choose 10 blades and 10 fruits, amount to 500 blades and 500 fruits, the Harm of investigation statistics green plant bug silk worm, two spotted spider mite, peach fruit borer.
Result of the test shows (table 5), and instillation medication is compared with Routine Management (annual spray medicine 12 times) and all achieved good anthelminthic effect, but instillation is annual only with 1 time, and times for spraying significantly reduces.This is because after tree trunk injection, medicament through wooden absorption, conduct and sent to during tree body acrial part respectively organizes, residue of pesticide present the distribution dynamic of leaf portion > phloem > xylem > fruit.Detect according to branch center, Technology Center Of Hebei Import and Export Inspection and Quarantine Bureau Cangzhou, after injection, 85d still can detect the pharmaceutical quantities being enough to kill off the insect pests in Chinese Jujube (Avermectin 0.74mg/kg, Imidacloprid 0.78mg/kg), illustrate that medicament has longer residual life in Chinese Jujube, therefore this agent a drug is effectively annual.Carried out observation to medicine-pouring hole healing and growing state September 25 to find, gravity flow instillation jujube tree growing way is normal, and leaf color jade green, tree crown top blade is complete without holes., there is not wound putrefactive phenomenon in punching place all healed, Routine Management then broken leaf is more.This is that sprayer cannot to tree crown top even spraying, and anthelminthic effect is not good because jujube tree tree height is large.Confirm that woods fruit desinsection injection is effectively stable thus, can large scale application.
3. fruit safety detects
Tree trunk injection pest control can save manpower, free from environmental pollution, do not hinder natural enemy, be a kind of non-harmful forest pest Prevention Technique, test prove, generally just can obtain good control efficiency 1 whole year in the injection of fruit tree germination period.It is noted that the object that we study extermination of disease and insect pest new technology is exactly the extent of injury alleviating disease worm, ensure fruit tree stable high yield, maximum produce the high-quality fruit meeting human needs, so when fruit is as food, the residual of agricultural chemicals becomes the problem must considering not walk around.Therefore we were carrying out fruit Detecting Pesticide from August 16.
Detect unit: branch center, Technology Center Of Hebei Import and Export Inspection and Quarantine Bureau Cangzhou
Test basis: the GB/T20769-2008 mensuration of 450 kinds of agricultural chemicals and related chemicals residual quantity " in the fruits and vegetables " and SN/T0148-2011 " importing and exporting organophosphorus pesticide residual quantity detection method gas-chromatography and gas chromatography-mass spectrography in fruit and vegetable ".
Pesticide MRL standard foundation: People's Republic of China's national food safety standard (GB2763-2014).
In fruit, Avermectin MRL standard is respectively:
Citrus fruit (except oranges and tangerines) 0.01mg/kg
Oranges and tangerines 0.02mg/kg
Apple 0.02mg/kg
Pears 0.02mg/kg
Strawberry 0.02mg/kg
Melon and fruit class fruit 0.01mg/kg
In fruit, Imidacloprid MRL standard is respectively:
Oranges and tangerines 1mg/kg
Apple 0.5mg/kg
Pears 0.5mg/kg
Assay is in table 6
Find out from table 6 data: the Avermectin of red date before entering the white ripe phase (August 16) fruit and Determination of Imidacloprid Residue amount are respectively 0.141mg/kg and 0.101mg/kg, significantly lower than state food safety (MRL: Avermectin 0.01mg/kg, Imidacloprid 0.5mg/kg) standard, September 15 to September 25 (starting to enter picking time) Avermectin and the residual of Imidacloprid all do not detect.By confirming more afterwards with state food safety standard (GB2763-2014): the fruit tree of adopting said method pest control, Pesticide Residues in Fruit amount is little, edible safety.
Ben Lin fruit is noted dry insecticide and also reach good pest control effect in the test of apple tree, pear tree and forest.
three, conclusion
Show to fruit tree, forest insect pest, to there is good control efficiency after tree trunk injection by mini-test and large-scale application test.The successful research and development of woods fruit desinsection injection, avoid the injury of pesticide spray to environment, people and animals and other beneficial organism, it is the accuracy pesticide applying technology realizing environmental friendliness, the sustainable development of promotion industry of planting forest or fruit tress.
Claims (10)
1. an elite stand fruit notes dry insecticide, it is characterized in that, comprises the component of following mass parts:
The former medicine of Avermectin 0.1 ~ 5 part,
The former medicine of Imidacloprid 3 ~ 20 parts,
6 ~ 20 parts, surfactant,
Stabilizing agent 5 ~ 20 parts,
Leaf photosynthesis promoter 1 ~ 6 part,
22 ~ 85 parts, water.
2. woods fruit according to claim 1 notes dry insecticide, it is characterized in that, also comprises
Plant tobacco extract 0.5 ~ 7 part.
3. woods fruit according to claim 2 notes dry insecticide, it is characterized in that, the alkali extracting method of plant tobacco extract is: by tobacco grinds, add the potassium hydroxide aqueous solution of tobacco 0.5-5 times quality, the mass concentration of potassium hydroxide aqueous solution is 2-10%, stir, after leaving standstill, filter and squeeze out the residual liquid in tobacco, again by concentrated for filtered fluid heating, tannic acid is added when filtered fluid residue 40%-60% volume, one or more in citric acid or malic acid stir, heating is stopped to put to normal temperature when pH value reaches 6 ~ 7, obtain plant tobacco extract.
4. woods fruit according to claim 1 notes dry insecticide, it is characterized in that, comprises the component of following mass parts:
The former medicine of Avermectin 0.5 ~ 4 part,
The former medicine of Imidacloprid 3 ~ 15 parts,
10 ~ 19 parts, surfactant,
Stabilizing agent 9 ~ 17 parts,
Leaf photosynthesis promoter 1 ~ 3 part,
38 ~ 76 parts, water.
5. woods fruit according to claim 1 notes dry insecticide, it is characterized in that, also comprises
Plant tobacco extract 0.5 ~ 4 part.
6. woods according to claim 1 fruit notes dry insecticide, it is characterized in that described surfactant is one or more in polyethylene glycol, dimethyl sulfoxide (DMSO), castor oil polyoxyethylene ether, alkylphenol polyoxyethylene or fatty alcohol-polyoxyethylene ether; Stabilizing agent is one or more in tannic acid, citric acid or malic acid.
7. woods according to claim 1 fruit notes dry insecticide, it is characterized in that described leaf photosynthesis promoter is one or more in magnesium sulfate, urea.
8. the woods fruit as described in claim 1-7 any one notes dry method for producing insecticide, it is characterized in that, comprises the following steps:
Be dissolved in surfactant by former for Imidacloprid medicine, the former medicine of Avermectin, add water, then mix with leaf photosynthesis promoter, regulate pH to 5 ~ 7 with stabilizing agent, stir, obtain light yellow homogeneous phase transparent liquid after leaving standstill, namely obtained woods fruit notes dry insecticide.
9. woods fruit according to claim 8 notes dry method for producing insecticide, it is characterized in that, comprises the following steps:
Former for Imidacloprid medicine, the former medicine of Avermectin are dissolved in surfactant, add water, then mix with leaf photosynthesis promoter, regulate pH to 5 ~ 7 with stabilizing agent, stir, after leaving standstill, obtain light yellow homogeneous phase transparent liquid, mix with plant tobacco extract, namely obtained woods fruit notes dry insecticide.
10. the woods fruit as described in claim 1-7 any one notes the application of dry insecticide, it is characterized in that: the application in control jujube tree, apple tree, pear tree and forest pest, is injected in trunk.
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