CN104522045A - Pesticide composition, sustained-release pesticidal fertilizer, and preparation methods thereof - Google Patents
Pesticide composition, sustained-release pesticidal fertilizer, and preparation methods thereof Download PDFInfo
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Abstract
The invention relates to the technical field of pesticide, and especially relates to a pesticide composition, a sustained-release pesticidal fertilizer, and preparation methods thereof. The pesticide composition comprises a bactericide and an insecticide. The bactericide is difenoconazole, and the insecticide is composed of thiamethoxam and diazinon. The sustained-release pesticidal fertilizer provided by the invention has the advantages of high activity, good efficacy, and significant fertilizer effect. The sustained-release pesticidal fertilizer has dual effects as a pesticide and as a fertilizer, and can fully perform insecticidal, bactericidal and fertilization functions. With the fertilizer, pesticide and fertilizer sustained release is realized. The pesticidal fertilizer is effective for a season with one application.
Description
Technical field
The present invention relates to technical field of pesticide, particularly composition pesticide, slow releasing medicinal fertilizer and preparation method thereof.
Background technology
Paddy rice originates in Tropical Asian, after China widely plants, propagates into gradually all over the world.Paddy rice institute knot reality and paddy, claim rice, scented rice, rice after paddy shells.Nearly half population is in the world all food with rice.Paddy rice, except edible, can also be made wine, refine sugar and make the raw material of industry, rice husk, rice straw, can as feed.
In Rice Cropping process, common insect mainly comprises homoptera pest (typical insect has rice fulgorid, Bemisia tabaci etc.) and lepidoptera pest (typical insect has striped rice borer, rice leaf roller etc.) etc.Wherein, rice fulgorid inhales plant juice to cause harm the crops such as paddy rice to sting, and make its growth retardation, time serious, rice clump is agglomerating withered, the dead stalk lodging in even full field; Striped rice borer is that China paddy rice endangers one of Occurrence the most serious, and main harm is for cause withered sheath, withered heart seedling in rice plant of tillering stage, and cause in the fringe phase and hinder strain and dead ears, cause the underproduction, the general time underproduction 3% ~ 5%, time serious, the underproduction is more than 3 one-tenth.Based on the harm of these insects to crops, be the top priority in China's agricultural production for the monitoring of these insects, early warning and control all the time.
At present, the method for pest control is mainly chemical control.Chemical control is also called pesticide control, is to carry out prevention and elimination of disease and pests by the toxicity of chemical agent, has the advantages such as efficient, quick-acting, easy to use, economic benefit is high, and it is the most frequently used method of plant protection, is also important measures in integrated control.
But along with the continuity of chemical control, the increase of Pesticide use amount and not scientifical use agricultural chemicals, pest resistance is day by day serious, the pest species producing resistance is on the increase, particularly to the Lepidoptera class pest that agricultural production is caused harm serious, resistance level is higher, resistance development speed is relatively very fast, and the resistance problem of pest becomes a global problem.Meanwhile, the use agricultural chemicals of high strength, causes Practice for Pesticide Residue in Agricultural Products to exceed standard, environmental pollution and the increase of peasant's drug cost etc., is unfavorable for agricultural sustainable development.Therefore, efficient, the low toxicity of research and development, environmental protection, insecticidal spectrum is wide, the lasting period is long pesticide have positive effect to agricultural sustainable development.
Summary of the invention
In view of this, the invention provides composition pesticide, slow releasing medicinal fertilizer and preparation method thereof.After clothianidin in this slow releasing medicinal fertilizer and diazinon are composite by a certain percentage, its toxicity is all greater than 120, shows that the two has remarkable synergistic effect, this slow releasing medicinal fertilizer is that agricultural chemicals and fertilizer obtain after science is composite, have active high, good drug efficacy, fertilizer efficiency is remarkable, possesses medicine, fertile double effects, desinsection can be given full play to, sterilization, the effect of getting fat, and achieve the slow releasing of agricultural chemicals and fertilizer, reach one time dispenser one season effective object, the output of crop can be significantly improved, not easily produce resistance, and to crop safety, use easy, dosage is few, effective drug duration is long, the effective Productive statistics saving peasant, decrease spraying times, alleviate the labour intensity of peasant, reach and save labor, the object of efficiency utilization.
In order to realize foregoing invention object, the invention provides following technical scheme:
The invention provides a kind of composition pesticide, comprise bactericide and insecticide;
Bactericide is Difenoconazole;
Insecticide is made up of Diacloden and diazinon.
Difenoconazole is a kind of bactericide of broad-spectrum high efficacy; the biosynthesis of main suppression germ cell ergosterol; thus destroy membrane structure and function; be mainly used in fruit tree, vegetables, paddy rice, potato, beans, the crop such as melon, to the multiple fungal disease such as vegetables and melon and fruit, there is well protection and therapeutic action.But mobility is little in soil, slowly degrade.Pear scab, alternaria leaf spot of apple, tomato drought epidemic disease, watermelon grafting, pepper anthracnose, powdery mildew of strawberry, bitter rot or anthracnose of grape, black Ya disease, citrus scab etc. can be prevented and treated.
Diacloden, its mechanism of action is similar to Imidacloprid, alternative suppresses insect CNS nicotinic acetylcholine esterase acceptor, and then blocks the normal conduction of insect CNS, dead when causing insect to occur paralysis machine.Not only have tag, stomach toxicity, systemic activity, and there is higher activity, better safety, wider insecticidal spectrum and the feature such as speed of action is fast, the lasting period is long, be replace that those are high to mammalian toxicity, there have to be residual and the organic phosphor of environmental problem, carbamate, organochlorine insecticides better kind.To coleoptera, diptera, Lepidoptera, especially homoptera pest has high activity, effectively can prevent and treat the insect of the insects such as various aphid, leafhopper, plant hopper, aleyrodid, chafer larva, colorado potato beetle, nematode, ground beetle, leaf miner and knot polytype chemical pesticide generation resistance.With Imidacloprid, Acetamiprid, alkene pyridine worm piperazine without cross resistance.Both can be used for cauline leaf process, seed treatment, also can be used for soil treatment.Suitable for crop is rice class crop, beet, rape, potato, cotton, Kidney bean, fruit tree, peanut, sunflower, soybean, tobacco and citrus etc.Use to crop safety, without poisoning under recommended dose.
Diazinon belongs to organophosphorus insecticides, it has the advantage such as wide spectrum, efficient, low toxicity, low-residual, also have simultaneously tag, stomach toxicity, stifling and certain systemic action, also have and kill mite and ovicidal action preferably, be widely used in paddy rice, corn, sugarcane, tobacco, fruit tree, vegetables, herbage, flowers, forest and greenhouse, be used for preventing and treating multiple stimulation absorption and To Leaf-feeding Insects, also for soil, control soil insect and nematode.Along with high-toxic pesticide thimet limits the use of it the reduction of soil insect preventive effect and No-harmful apple orchard technology, diazinon applying in the soil insect and cabbage caterpillar of the crops such as control wheat, corn, peanut, garlic succeeds, there is certain sales volume every year, but it is not smooth in the popularization preventing and treating rice hoppers, rice leafhopper, striped rice borer and paddy stem borer, reason is that diazinon cost performance is not high, and there is no interior absorption, the lasting period is short; In control soil insect, the current resistance of diazinon is also developing gradually.
In the present invention, after showing that clothianidin and diazinon are composite by a certain percentage by indoor virulence biologicall test experiment, its toxicity is all greater than 120, shows that the two has remarkable synergistic effect.After clothianidin, diazinon and Difenoconazole are composite, there is good desinsection and bactericidal effect, thus can labour be saved on the basis ensureing preventive effect.
Slow releasing medicinal fertilizer provided by the invention is by Diacloden, diazinon, Difenoconazole and fertilizer is composite forms, it is long that it has fertilizer efficiency, pesticide-germicide Be very effective, the feature such as applied widely, wherein containing macroelement, moderate-element, trace element and beneficial element, be in the fertile system of same medicine with other compositions, each component interacts, cooperatively interact, slow releasing medicinal of the present invention fertilizer is made not only to have the normal development promoting fixed nitrogen and crop reproductive organs, but also the thickness and the mechanical strength that strengthen crop cell wall can be conducive to, reduce transpiration and lodging tolerance, be conducive to the synthesis of sugar, promote paddy rice resist interior free yl injury and improve anti-adversity ability, final promotion increasing production of rice.
As preferably, the mass ratio of Diacloden, diazinon and Difenoconazole is (1 ~ 10): (1 ~ 10): (1 ~ 10).
In embodiments more provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 1:1:1.
In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 1:3:1.
In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 1:5:1.
In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 1:10:1.
In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 3:1:1.
In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 5:1:2.
In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 10:1:1.
Present invention also offers a kind of slow releasing medicinal fertile, comprise fertilizer, slow-release material, auxiliary agent, filler and and composition pesticide provided by the invention; This composition pesticide comprises bactericide and insecticide; Bactericide is Difenoconazole; Insecticide is made up of Diacloden and diazinon; As preferably, the mass ratio of Diacloden, diazinon and Difenoconazole is (1 ~ 10): (1 ~ 10): (1 ~ 10); In embodiments more provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 1:1:1; In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 1:3:1; In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 1:5:1; In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 1:10:1; In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 3:1:1; In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 5:1:2; In other embodiments provided by the invention, the mass ratio of Diacloden, diazinon and Difenoconazole is 10:1:1.
In embodiments more provided by the invention, with weight, composition pesticide 0.02% ~ 10%, fertilizer 10% ~ 60%, slow-release material 0.1% ~ 5%, auxiliary agent 0.1% ~ 5%, surplus is filler.
In embodiments more provided by the invention, fertilizer is a kind of or both the above mixtures in macroelement fertilizer, secondary nutrients or trace element fertilizer.
In embodiments more provided by the invention, with parts by weight, described fertilizer comprises nitrogen element 5 ~ 40 parts, P elements 1 ~ 10 part, potassium element 1 ~ 15 part, boron element 0.1 ~ 5 part, calcium constituent 0.1 ~ 5 part, magnesium elements 0.1 ~ 5 part, element sulphur 0.1 ~ 5 part, Zn-ef ficiency 0.1 ~ 5 part.
In embodiments more provided by the invention, with parts by weight, described fertilizer comprises nitrogen element 30 ~ 40 parts, P elements 1 ~ 10 part, potassium element 1 ~ 15 part, boron element 0.1 ~ 0.4 part, calcium constituent 1 ~ 2 part, magnesium elements 0.1 ~ 0.4 part, element sulphur 0.2 ~ 0.5 part, Zn-ef ficiency 1 ~ 2 part.
In embodiments more provided by the invention, nitrogen element is provided by nitrogenous fertilizer.Nitrogenous fertilizer is the fertilizer containing plant nutrient nitrogen, can be absorbed by plants, for plant provides nutrient nitrogen; Both can be the straight fertilizer comprising nitrogen element, also can be the complex fertilizer comprising in nitrogen, phosphorus, potassium any two or three, or the mixture of straight fertilizer and complex fertilizer, nutrient nitrogen being provided to be as the criterion for plant.
In embodiments more provided by the invention, nitrogenous fertilizer is one or more the mixture in urea, ammonium chloride, MAP or ammonium sulfate.
In other embodiment of the present invention, the complex fertilizer comprising in nitrogen, phosphorus, potassium any two or three is a kind of or both the above mixtures in MAP, urea ammonium phosphate, nitric acid phosphorus ammonium, ammonium phoaphate-sulfate, nitrophosphate fertilizer, diammonium phosphate, potassium nitrate or potassium dihydrogen phosphate.
In embodiments more provided by the invention, P elements is provided by phosphate fertilizer, and phosphate fertilizer is the fertilizer containing plant nutrient phosphorus, can be absorbed by plants, for plant provides nutritive element phosphorus; Both can be the straight fertilizer comprising P elements, also can be comprise in nitrogen, phosphorus, potassium any two or three complex fertilizer, or the mixture of straight fertilizer and complex fertilizer, providing nutritive element phosphorus to be as the criterion for plant.
In embodiments more provided by the invention, phosphate fertilizer is MAP and/or superphosphate.
In embodiments more provided by the invention, potassium element is provided by potash fertilizer, and potash fertilizer is the fertilizer containing plant nutrient potassium, can be absorbed by plants, for plant provides nutritive element potassium; Both can be the straight fertilizer comprising potassium element, also can be comprise in nitrogen, phosphorus, potassium any two or three complex fertilizer, or the mixture of straight fertilizer and complex fertilizer, providing nutritive element potassium to be as the criterion for plant.
In embodiments more provided by the invention, potash fertilizer is potassium chloride and/or potassium sulfate.
In embodiments more provided by the invention, boron element is provided by boron fertilizer, and boron fertilizer is one or more the mixture in borax, boric acid or borate.
In embodiments more provided by the invention, calcium constituent is provided by calcareous fertilisers, and calcareous fertilisers are calcium hydroxide.
In embodiments more provided by the invention, magnesium elements is provided by fertiliser containing magnesium, and fertiliser containing magnesium is magnesium sulfate.
In embodiments more provided by the invention, element sulphur is provided by sulfur fertilizer, and sulfur fertilizer is magnesium sulfate.
In embodiments more provided by the invention, Zn-ef ficiency is provided by zinc fertilizer, and zinc fertilizer is zinc sulphate and/or chelated zinc.
As preferably, slow-release material is a kind of or both the above mixtures in polyvinyl alcohol, gum Arabic, gelatin, bioprotein stone, polyvinyl methyl ethermaleic anhydride, humus powder or polyacrylamide.
In embodiments more provided by the invention, auxiliary agent is a kind of or both the above mixtures in Attagel, silicone oil, neopelex, stearic acid, potter's clay, clarificant LS, lauryl sodium sulfate, sodium butylnaphthalenesulfonate, naphthalenesulfonate formaldehyde condensation compound, calcium lignosulfonate, fatty alcohol-polyoxyethylene ether or dioctyl sodium sulfosuccinate, ethanol.
In embodiments more provided by the invention, filler is a kind of or both the above mixtures in kaolin, aluminium-magnesium silicate, diatomite, imvite, clay, talcum powder, attapulgite, talcum powder, white carbon or fine particle calcium carbonate.
As preferably, the formulation of slow releasing medicinal fertilizer is granule.But the formulation of slow releasing medicinal fertilizer is not limited thereto, those skilled in the art think that feasible formulation is all within protection scope of the present invention.
Present invention also offers the preparation method of this slow releasing medicinal fertilizer, comprise the steps:
Get auxiliary agent and solvent, obtain compounding agent solution;
Composition pesticide provided by the invention is added compounding agent solution, and mixing, solidifies, and dry, pulverizing, obtains pesticide combination;
Fertilizer, slow-release material, filler are mixed with pesticide combination, obtains slow releasing medicinal fertile.
The invention provides composition pesticide, slow releasing medicinal fertilizer and preparation method thereof.This composition pesticide comprises Difenoconazole, Diacloden and diazinon.Composition pesticide provided by the invention and slow releasing medicinal fertilizer at least have one of following advantage:
In the present invention, after showing that clothianidin and diazinon are composite by a certain percentage by indoor virulence biologicall test experiment, its toxicity is all greater than 120, shows that the two has remarkable synergistic effect; After clothianidin, diazinon and Difenoconazole are composite, there is good desinsection and bactericidal effect, thus can labour be saved on the basis ensureing preventive effect;
Slow releasing medicinal fertilizer provided by the invention is that agricultural chemicals and fertilizer obtain after science is composite, have active high, good drug efficacy, fertilizer efficiency are remarkable, possess medicine, fertile double effects, the effect of desinsection, sterilization, getting fat can be given full play to, and achieve the slow releasing of agricultural chemicals and fertilizer, reach one time dispenser one season effective object;
The fertile effect of increasing production of slow releasing medicinal provided by the invention is more obvious, can significantly improve the output of crop;
Slow releasing medicinal fertilizer provided by the invention not easily produces resistance, and to crop safety, use easy, dosage is few, and effective drug duration is long, has effectively saved the Productive statistics of peasant;
Slow releasing medicinal provided by the invention fertilizer reduces spraying times, alleviates the labour intensity of peasant, reach save labor, the object of efficiency utilization.
Embodiment
The invention discloses composition pesticide, slow releasing medicinal fertilizer and preparation method thereof, those skilled in the art can use for reference present disclosure, and suitable improving technique parameter realizes.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are all deemed to be included in the present invention.Method of the present invention and application are described by preferred embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope methods and applications as herein described are changed or suitably change with combination, realize and apply the technology of the present invention.
In composition pesticide provided by the invention, slow releasing medicinal fertilizer and preparation method thereof, raw materials used medicine or auxiliary material all can be buied by market.
Below in conjunction with embodiment, set forth the present invention further:
The research of the compound property of embodiment 1 Diacloden, diazinon and Difenoconazole
Diacloden, diazinon and Difenoconazole are carried out composite according to certain ratio, the experiment that it carries out insect protected sterilization is detected, concrete grammar is: get medicine to be measured, after plant hopper and striped rice borer are soaked into the liquid 10 seconds respectively, unnecessary liquid is drawn with filter paper, raise under tested worm is transferred to normal condition, each process repetition 4 times, each leaching worm 20; Get the culture dish that the bacterium access on banded sclerotial blight spot is added with nutriment to cultivate, composite medicaments uniformity dropped on flora, after a period of time, observes the growing state of bacterium colony, two experiments arrange respectively not containing medicament process in contrast.
Medicine to be measured is to the LD of rice fulgorid, snout moth's larva and banded sclerotial blight
50value test result is in table 1.According to co-toxicity coefficient, evaluate the interaction of two single doses in Pesticidal combination provided by the invention, evaluation criterion is: co-toxicity coefficient >=120 show as synergistic effect; Co-toxicity coefficient≤80 show as antagonism; 80< co-toxicity coefficient <120 shows as summation action.
Table 1 effective ingredient composition to be measured and the LD to damage by disease and insect
50value
From the result of the test of table 1, the slow releasing medicinal fertilizer granular formulation of Diacloden and diazinon composite rear formation in certain proportion all has good preventive effect to water rice hopper and snout moth's larva, and its toxicity is all greater than 120, shows that the two has remarkable synergistic effect.
Table 1 shows simultaneously, the LC of Difenoconazole
50value is 4.13mg/L; After Difenoconazole and Diacloden, diazinon are composite, its LC
50value is 4.11 ~ 4.15mg/L, with the LC of Difenoconazole single dose
50quite, result shows that Difenoconazole can be composite with Diacloden, diazinon to value, thus can save labour on the basis ensureing preventive effect.
Embodiment 2 contains the slow releasing medicinal fertilizer granular formulation of the Diacloden diazinon of 0.5%
Fill a prescription as follows, by mass percentage:
Insecticides: Diacloden 0.25%; Diazinon 0.25%;
Bactericide: Difenoconazole 0.25%;
Effective fertilizer composition: N content 30%, P content 1%, K content 1%, Ca content 1%, Mg content 0.1%, S content 0.5%, Zn content 1%, B content 0.1%.Wherein, N element is provided by urea; P is provided by superphosphate; K is provided by potassium sulfate; Mg, S element is provided by epsom salt, and Ca is provided by calcium hydroxide, and B is provided by boric acid.
Slow-release material: polyvinyl alcohol 0.1%;
Auxiliary agent: crosslinked starch 0.5%;
Filler: filler is clay, complements to 100%.
Preparation method: first take each component according to formula, for subsequent use.After heating 60 minutes crosslinked starch is mixed 50 DEG C of conditions with water under, add Diacloden, diazinon, Difenoconazole, after 5 minutes with 2000 revs/min of mixing, at 30 DEG C, solidify 5 hours, carry out drying and crushing subsequently under 50 DEG C of conditions, add the fertilizer of a large amount of, Medium-microelements, clay and polyvinyl alcohol, after mixing, by the granulation of disc granulation device, rotating speed 60 revs/min, obtain by grading sieve the particle that particle diameter is 2 ~ 5mm, to obtain final product.
Embodiment 3 contains the slow releasing medicinal fertilizer granular formulation of the Diacloden diazinon of 0.4%
Fill a prescription as follows, by mass percentage:
Insecticides: Diacloden 0.3%; Diazinon 0.1%;
Bactericide: Difenoconazole 0.1%;
Effective fertilizer composition: N content 35%, P content 5%, K content 10%, Ca content 1.5%, Mg content 0.3%, S content 0.5%, Zn content 1.5%, B content 0.3%.Wherein, N element is provided by urea; P is provided by superphosphate; K is provided by potassium sulfate; Mg, S element is provided by 7 water magnesium sulfates, and Ca is provided by calcium hydroxide, and B is provided by boric acid.
Slow-release material: gum Arabic 4%;
Auxiliary agent: crosslinked starch 4%;
Filler: filler is filler is clay and diatomaceous mixture (clay and diatomaceous mass ratio are 1:1), complements to 100%.
Preparation method: first take each component according to method of completing the square, for subsequent use.After heating 60 minutes crosslinked starch is mixed 50 DEG C of conditions with water under, add Diacloden, diazinon, Difenoconazole, after 5 minutes with 2000 revs/min of mixing, at 30 DEG C, solidify 5 hours, carry out drying and crushing subsequently under 50 DEG C of conditions, add the fertilizer of a large amount of, Medium-microelements, clay and diatomaceous mixture, gum Arabic, after mixing, by the granulation of disc granulation device, rotating speed 60 revs/min, obtain by grading sieve the particle that particle diameter is 2 ~ 5mm, to obtain final product.
Embodiment 4 contains the slow releasing medicinal fertilizer granular formulation of the Diacloden diazinon of 0.8%
Fill a prescription as follows, by mass percentage:
Insecticides: Diacloden 0.2%; Diazinon 0.6%;
Bactericide: Difenoconazole 0.2%;
Effective fertilizer composition: N content 35%, P content 10%, K content 5%, Ca content 2%, Mg content 0.4%, S content 0.5%, Zn content 2%, B content 0.4%.Wherein, N element is provided by urea; P is provided by superphosphate; K is provided by potassium sulfate; Mg, S element is provided by 7 water magnesium sulfates, and Ca is provided by calcium hydroxide, and B is provided by boric acid.
Slow-release material: gelatin 1%, gum Arabic 1%;
Auxiliary agent: crosslinked starch 1%, cyclodextrin 1%;
Filler: filler is kaolin, diatomite (kaolin, diatomaceous mass ratio are 1:1), complements to 100%.
Preparation method: first take each component according to method of completing the square, for subsequent use.After heating 45min crosslinked starch, cyclodextrin are mixed 55 DEG C of conditions with water under, add Diacloden, diazinon, Difenoconazole, after 5 minutes with 2000 revs/min of mixing, at 30 DEG C, solidify 5 hours, carry out drying and crushing subsequently under 50 DEG C of conditions, add the fertilizer of a large amount of, Medium-microelements, kaolin, diatomite, gelatin and gum Arabic, after mixing, by the granulation of disc granulation device, rotating speed 60 revs/min, obtain by grading sieve the particle that particle diameter is 2 ~ 5mm, to obtain final product.
Embodiment 5 contains the slow releasing medicinal fertilizer granular formulation of the Diacloden diazinon of 1.2%
Fill a prescription as follows, by mass percentage:
Insecticides: Diacloden 1%; Diazinon 0.2%;
Bactericide: Difenoconazole 0.4%;
Effective fertilizer composition: N content 30%, P content 10%, K content 10%, Ca content 2%, Mg content 0.2%, S content 0.5%, Zn content 2%, B content 0.2%.Wherein, N element is provided by urea; P is provided by superphosphate; K is provided by potassium sulfate; Mg, S element is provided by 7 water magnesium sulfates, and Ca is provided by calcium hydroxide, and B is provided by boric acid.
Slow-release material: polyvinyl alcohol 4%;
Auxiliary agent: crosslinked starch 2%, neopelex 2%;
Filler: filler is white carbon, complements to 100%.
Preparation method: first take each component according to method of completing the square, for subsequent use.After heating 60 minutes crosslinked starch, neopelex are mixed 50 DEG C of conditions with water under, add Diacloden, diazinon, Difenoconazole, after 5 minutes with 2000 revs/min of mixing, at 30 DEG C, solidify 5 hours, carry out drying and crushing subsequently under 50 DEG C of conditions, add the fertilizer of a large amount of, Medium-microelements, white carbon and polyvinyl alcohol, after mixing, by the granulation of disc granulation device, rotating speed 60 revs/min, obtain by grading sieve the particle that particle diameter is 2 ~ 5mm, to obtain final product.
Embodiment 6 contains the slow releasing medicinal fertilizer granular formulation of the Diacloden diazinon of 3%
Fill a prescription as follows, by mass percentage:
Insecticides: Diacloden 0.5%; Diazinon 2.5%;
Bactericide: Difenoconazole 0.5%;
Effective fertilizer composition: N content 35%, P content 5%, K content 10%, Ca content 1%, Mg content 0.2%, S content 0.2%, Zn content 1%, B content 0.2%.Wherein, N element is provided by urea; P is provided by superphosphate; K is provided by potassium sulfate; Mg, S element is provided by 7 water magnesium sulfates, and Ca is provided by calcium hydroxide, and B is provided by boric acid.
Slow-release material: polyvinyl alcohol 0.1%;
Auxiliary agent: crosslinked starch 0.5%;
Filler: filler is clay, complements to 100%.
Preparation method: first take each component according to method of completing the square, for subsequent use.After heating 60 minutes crosslinked starch is mixed 50 DEG C of conditions with water under, add Diacloden, diazinon, Difenoconazole, after 5 minutes with 2000 revs/min of mixing, at 30 DEG C, solidify 5 hours, carry out drying and crushing subsequently under 50 DEG C of conditions, add the fertilizer of a large amount of, Medium-microelements, clay and polyvinyl alcohol, after mixing, by the granulation of disc granulation device, rotating speed 60 revs/min, obtain by grading sieve the particle that particle diameter is 2 ~ 5mm, to obtain final product.
Embodiment 7 contains the slow releasing medicinal fertilizer granular formulation of the Diacloden diazinon of 5.5%
Fill a prescription as follows, by mass percentage:
Insecticides: Diacloden 0.5%; Diazinon 5%;
Bactericide: Difenoconazole 0.5%;
Effective fertilizer composition: N content 30%, P content 10%, K content 10%, Ca content 1.5%, Mg content 0.3%, S content 0.2%, Zn content 1%, B content 0.3%.Wherein, N element is provided by urea; P is provided by superphosphate; K is provided by potassium sulfate; Mg, S element is provided by 7 water magnesium sulfates, and Ca is provided by calcium hydroxide, and B is provided by boric acid.
Slow-release material: polyvinyl alcohol 2%, gum Arabic 3%;
Auxiliary agent: stearic acid 3%;
Filler: filler is clay, complements to 100%.
Preparation method: first take each component according to method of completing the square, for subsequent use.After heating 45min stearic acid is mixed 55 DEG C of conditions with water under, add Diacloden, diazinon, Difenoconazole, after 5 minutes with 2000 revs/min of mixing, at 30 DEG C, solidify 5 hours, carry out drying and crushing subsequently under 55 DEG C of conditions, add the fertilizer of a large amount of, Medium-microelements, clay, polyvinyl alcohol and gum Arabic, after mixing, by the granulation of disc granulation device, rotating speed 60 revs/min, obtain by grading sieve the particle that particle diameter is 2 ~ 5mm, to obtain final product.
Embodiment 8 contains the slow releasing medicinal fertilizer granular formulation of the Diacloden diazinon of 5.5%
Fill a prescription as follows, by mass percentage:
Insecticides: Diacloden 5%; Diazinon 0.5%;
Bactericide: Difenoconazole 0.5%;
Effective fertilizer composition: N content 40%, P content 5%, K content 15%, Ca content 1.5%, Mg content 0.3%, S content 0.2%, Zn content 1%, B content 0.3%.Wherein, N element is provided by urea; P is provided by superphosphate; K is provided by potassium sulfate; Mg, S element is provided by 7 water magnesium sulfates, and Ca is provided by calcium hydroxide, and B is provided by boric acid.
Slow-release material: polyvinyl alcohol 2%, gum Arabic 3%;
Auxiliary agent: stearic acid 3%;
Filler: filler is clay, complements to 100%.
Preparation method: first take each component according to method of completing the square, for subsequent use.After heating 45min stearic acid is mixed 55 DEG C of conditions with water under, add Diacloden, diazinon, Difenoconazole, after 5 minutes with 2000 revs/min of mixing, at 30 DEG C, solidify 5 hours, carry out drying and crushing subsequently under 55 DEG C of conditions, add the fertilizer of a large amount of, Medium-microelements, clay, polyvinyl alcohol and gum Arabic, after mixing, by the granulation of disc granulation device, rotating speed 60 revs/min, obtain by grading sieve the particle that particle diameter is 2 ~ 5mm, to obtain final product.
Embodiment 9 contains the slow releasing medicinal fertilizer granular formulation of the Diacloden diazinon of 0.02%
Fill a prescription as follows, by mass percentage:
Insecticides: Diacloden 0.01%; Diazinon 0.01%;
Bactericide: Difenoconazole 0.001%;
Effective fertilizer composition: N content 5%, P content 3%, K content 1%, Ca content 0.2%, Mg content 0.3%, S content 0.2%, Zn content 0.1%, B content 0.2%.Wherein, N element is provided by urea; P is provided by superphosphate; K is provided by potassium sulfate; Mg, S element is provided by 7 water magnesium sulfates, and Ca is provided by calcium hydroxide, and B is provided by boric acid.
Slow-release material: polyvinyl alcohol 0.2%, bioprotein stone 0.3%;
Auxiliary agent: Attagel 5%;
Filler: filler is clay, complements to 100%.
Preparation method: first take each component according to method of completing the square, for subsequent use.After heating 45min Attagel is mixed 55 DEG C of conditions with water under, add Diacloden, diazinon, Difenoconazole, after 5 minutes with 2000 revs/min of mixing, at 30 DEG C, solidify 5 hours, carry out drying and crushing subsequently under 55 DEG C of conditions, add the fertilizer of a large amount of, Medium-microelements, clay, polyvinyl alcohol and bioprotein stone, after mixing, by the granulation of disc granulation device, rotating speed 60 revs/min, obtain by grading sieve the particle that particle diameter is 2 ~ 5mm, to obtain final product.
Embodiment 10 contains the slow releasing medicinal fertilizer granular formulation of the Diacloden diazinon of 10%
Fill a prescription as follows, by mass percentage:
Insecticides: Diacloden 5%; Diazinon 5%;
Bactericide: Difenoconazole 0.005%;
Effective fertilizer composition: N content 10%, P content 6.7%, K content 10%, Ca content 1.5%, Mg content 0.3%, S content 0.2%, Zn content 1%, B content 0.3%.Wherein, N element is provided by urea; P is provided by superphosphate; K is provided by potassium sulfate; Mg, S element is provided by 7 water magnesium sulfates, and Ca is provided by calcium hydroxide, and B is provided by boric acid.
Slow-release material: polyvinyl alcohol 0.5%, polyacrylamide 0.5%;
Auxiliary agent: potter's clay 0.1%;
Filler: filler is clay, complements to 100%.
Preparation method: first take each component according to method of completing the square, for subsequent use.After heating 45min potter's clay is mixed 55 DEG C of conditions with water under, add Diacloden, diazinon, Difenoconazole, after 5 minutes with 2000 revs/min of mixing, at 30 DEG C, solidify 5 hours, carry out drying and crushing subsequently under 55 DEG C of conditions, add the fertilizer of a large amount of, Medium-microelements, clay, polyvinyl alcohol and polyacrylamide, after mixing, by the granulation of disc granulation device, rotating speed 60 revs/min, obtain by grading sieve the particle that particle diameter is 2 ~ 5mm, to obtain final product.
The effect experiment of the fertile preparation of embodiment 11 slow releasing medicinal
(1) the fertile preparation of slow releasing medicinal is to the control efficiency of insect pest
Test and carry out in a peasant household rice field in Jiangsu, each group process repeats for 4 times, and processing area is 30m
2.Experimental group uses the fertile preparation of slow releasing medicinal that embodiment 2 to embodiment 8 prepares respectively, and insecticide-applying way is when rice transplanting, is spread by fertile for slow releasing medicinal preparation in being manured into soil; Control group uses Diacloden, diazinon, Difenoconazole respectively, and the insecticide-applying way of control group is spraying.Rice fulgorid and snout moth's larva quantity after record dispenser, and banded sclerotial blight a situation arises, to the control efficiency of mid-October after statistics dispenser.Test process, formulation rate and preventive effect the results are shown in Table 2.
Table 2 each group testing sample amount of application and control efficiency
From table 2, experimental result is known, to mid-October after transplanting, the control efficiency of slow releasing medicinal fertilizer granular formulation to damage by disease and insect that the embodiment of the present invention 2 to embodiment 8 prepares obviously is better than control group, significant difference (P < 0.05).Result illustrates that the slow releasing medicinal fertilizer granular formulation of the embodiment of the present invention 2 to embodiment 8 has good slow release effect simultaneously, can once solve the damage by disease and insect problems such as rice fulgorid, snout moth's larva, banded sclerotial blight.
The slow releasing medicinal fertilizer granular formulation that investigation embodiment 9,10 prepares is to the control efficiency of damage by disease and insect, the result of the slow releasing medicinal fertilizer granular formulation of result and embodiment 2 ~ 8 is close, illustrate that the slow releasing medicinal fertilizer granular formulation of the embodiment of the present invention 9,10 has good slow release effect, can once solve the damage by disease and insect problems such as rice fulgorid, snout moth's larva, banded sclerotial blight.
(2) the fertile preparation of slow releasing medicinal is on the impact of wheat yield
Test is divided into experimental group and control group.Each group to use medicament as follows:
Experimental group: the fertile preparation of the slow releasing medicinal that embodiment 2 to embodiment 8 prepares;
Control group: the Diacloden sustained-release granular formulation of 1%, 0.5% diazinon sustained-release granular formulation, 1% Difenoconazole granule, 45% composite fertilizer.
The formula of the Diacloden sustained-release granular formulation of 1% and preparation method:
Formula: Diacloden 1%, polyvinyl alcohol 5%, crosslinked starch 2%, white carbon 5%, polyoxyethylene styryl phenyl ether 3%, clay supply 100%.
Preparation method: first by crosslinked starch and water Hybrid Heating after 60 minutes, add Diacloden, polyoxyethylene styryl phenyl ether, after mixing 5 minutes with 2000 revs/min at 50 c, 5 hours are solidified under 30 degrees Celsius, drying and crushing subsequently, adds clay, white carbon and polyvinyl alcohol by the granulation of disc granulation device, rotating speed 60 revs/min, the particles needed is obtained, i.e. obtained 1% Diacloden sustained-release granular formulation by grading sieve.
The formula of 0.5% diazinon sustained-release granular formulation and preparation method:
Formula: diazinon 0.5%, crosslinked starch 2%, diatomite 10%, sodium lignin sulfonate 2%, polyvinyl alcohol 0.5%, kaolin to 100%.
Preparation method: first by crosslinked starch and water Hybrid Heating after 60 minutes, add diazinon and wooden sodium sulfonate, after mixing 5 minutes with 2000 revs/min at 50 c, 5 hours are solidified under 30 degrees Celsius, drying and crushing subsequently, adds kaolin, diatomite and polyvinyl alcohol by the granulation of disc granulation device, rotating speed 60 revs/min, the particles needed is obtained, i.e. obtained 0.5% diazinon sustained-release granular formulation by grading sieve.
The formula of 1% Difenoconazole granule and preparation method:
Formula: Difenoconazole 1%, crosslinked starch 2%, fine particle calcium carbonate 20%, attapulgite 10%, sodium lignin sulfonate 2%, polyvinyl alcohol 0.5%, kaolin to 100%.
Preparation method: first by crosslinked starch and water Hybrid Heating after 60 minutes, add Difenoconazole and wooden sodium sulfonate, after mixing 5 minutes with 2000 revs/min at 50 c, 5 hours are solidified under 30 degrees Celsius, drying and crushing subsequently, adds kaolin, fine particle calcium carbonate, attapulgite and polyvinyl alcohol by the granulation of disc granulation device, rotating speed 60 revs/min, the particles needed is obtained, i.e. obtained 1% Difenoconazole sustained-release granular formulation by grading sieve.
The composite fertilizer of 45% is by percentage to the quality, and the total content of N P and K is 40%, the composite fertilizer of Medium-microelements (Ca, Mg, S, Zn, B) content 5%.
Test and carry out in a peasant household rice field in Xishan, Jiangsu, each group process repeats for 4 times, and processing area is 30m
2.This tests rice varieties used is No. 7, normal agriculture round-grained rice, and its ripening rate is about 91.3%.Experimental group uses the fertile preparation of slow releasing medicinal that embodiment 2 to embodiment 8 prepares respectively, and insecticide-applying way is when rice transplanting, is spread by fertile for slow releasing medicinal preparation in being manured into soil; Control group use respectively 1% Diacloden sustained-release granular formulation, 0.5% diazinon granule, 1% Difenoconazole granule, 45% composite fertilizer, the fertilization mode of each control group is identical with experimental group fertilization mode.After paddy rice maturation, paddy rice is collected in grouping, adds up each group rice yield, investigates the economic scene of each group paddy field.The amount of application of the test sample of each group, and each group rice yield is in table 3.
The amount of application of the test sample of each group of table 3 and wheat yield statistics
From table 3, experimental result is known, and when effective ingredient consumption is suitable, compared with control group, the slow releasing medicinal fertilizer granular formulation effect of increasing production that the embodiment of the present invention 2 to embodiment 8 prepares is more obvious, significant difference (P < 0.05).Illustrate that the fertile preparation of slow releasing medicinal that the embodiment of the present invention 2 to embodiment 8 prepares can significantly improve the output of wheat.
The slow releasing medicinal fertilizer granular formulation that investigation embodiment 9,10 prepares is on the impact of wheat yield, the result of the slow releasing medicinal fertilizer granular formulation of result and embodiment 2 ~ 8 is close, illustrates that the slow releasing medicinal fertilizer granular formulation of the embodiment of the present invention 9,10 can significantly improve the output of wheat.
In sum, the fertile preparation of slow releasing medicinal provided by the invention, have active high, good drug efficacy, fertilizer efficiency are remarkable, possess medicine, fertile double effects, the effect of desinsection, sterilization, getting fat can be given full play to, not easily produce the features such as resistance, and to crop safety, use easy, dosage is few, and effective drug duration is long, has effectively saved the Productive statistics of peasant, improve crop yield, have a wide range of applications in agricultural production.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a composition pesticide, is characterized in that, comprises bactericide and insecticide;
Described bactericide is Difenoconazole; Described insecticide is made up of Diacloden and diazinon.
2. composition pesticide according to claim 1, is characterized in that, the mass ratio of described Diacloden, described diazinon and described Difenoconazole is (1 ~ 10): (1 ~ 10): (1 ~ 10).
3. a slow releasing medicinal fertilizer, is characterized in that, comprises the composition pesticide described in fertilizer, slow-release material, auxiliary agent, filler and claim 1 or 2.
4. slow releasing medicinal according to claim 3 is fertile, and it is characterized in that, with weight, described composition pesticide 0.02% ~ 10%, described fertilizer 10% ~ 60%, described slow-release material 0.1% ~ 5%, described auxiliary agent 0.1% ~ 5%, surplus is filler.
5. slow releasing medicinal according to claim 3 is fertile, it is characterized in that, described fertilizer is a kind of or both the above mixtures in macroelement fertilizer, secondary nutrients or trace element fertilizer.
6. slow releasing medicinal according to claim 5 is fertile, it is characterized in that, with parts by weight, described fertilizer comprises nitrogen element 5 ~ 40 parts, P elements 1 ~ 10 part, potassium element 1 ~ 15 part, boron element 0.1 ~ 5 part, calcium constituent 0.1 ~ 5 part, magnesium elements 0.1 ~ 5 part, element sulphur 0.1 ~ 5 part, Zn-ef ficiency 0.1 ~ 5 part.
7. slow releasing medicinal according to claim 3 is fertile, it is characterized in that, described slow-release material is a kind of or both the above mixtures in polyvinyl alcohol, gum Arabic, gelatin, bioprotein stone, polyvinyl methyl ethermaleic anhydride, humus powder or polyacrylamide.
8. slow releasing medicinal according to claim 3 is fertile, it is characterized in that, described auxiliary agent is a kind of or both the above mixtures in Attagel, silicone oil, neopelex, stearic acid, potter's clay, clarificant LS, lauryl sodium sulfate, sodium butylnaphthalenesulfonate, naphthalenesulfonate formaldehyde condensation compound, calcium lignosulfonate, fatty alcohol-polyoxyethylene ether or dioctyl sodium sulfosuccinate, ethanol.
9. slow releasing medicinal according to any one of claim 1 to 8 is fertile, and it is characterized in that, the formulation of described slow releasing medicinal fertilizer is granule.
10. the preparation method of slow releasing medicinal fertilizer according to any one of claim 1 to 9, is characterized in that, comprise the steps:
Get auxiliary agent and solvent, obtain compounding agent solution;
Composition pesticide described in claim 1 or 2 is added described compounding agent solution, and mixing, solidifies, and dry, pulverizing, obtains pesticide combination;
Fertilizer, slow-release material, filler are mixed with described pesticide combination, obtains slow releasing medicinal fertile.
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| CN106554218A (en) * | 2015-09-24 | 2017-04-05 | 周保东 | Bactericide fertilizer emulsifiable granula and preparation method thereof |
| CN106631529A (en) * | 2016-12-09 | 2017-05-10 | 广西田园生化股份有限公司 | Medical fertilizer with insecticide disease prevention and water retention effects |
| CN106986715A (en) * | 2017-04-07 | 2017-07-28 | 河北德瑞化工有限公司 | Wheat and corn special fertiliser granulates agent and its preparation method and application containing sustained-release pesticides |
| CN107011033A (en) * | 2017-04-07 | 2017-08-04 | 河北德瑞化工有限公司 | Sweet potato and potato special fertiliser granulates agent and preparation method and application containing sustained-release pesticides |
| CN107156118A (en) * | 2017-05-26 | 2017-09-15 | 华中师范大学 | Pesticide action-controlling composition and nanometer formula bactericide and preparation method thereof |
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| CN107011033A (en) * | 2017-04-07 | 2017-08-04 | 河北德瑞化工有限公司 | Sweet potato and potato special fertiliser granulates agent and preparation method and application containing sustained-release pesticides |
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Application publication date: 20150422 |