CN105340946B - A kind of composition pesticide containing prothioconazoles and imidacloprid, preparation method and application - Google Patents

A kind of composition pesticide containing prothioconazoles and imidacloprid, preparation method and application Download PDF

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CN105340946B
CN105340946B CN201510962631.6A CN201510962631A CN105340946B CN 105340946 B CN105340946 B CN 105340946B CN 201510962631 A CN201510962631 A CN 201510962631A CN 105340946 B CN105340946 B CN 105340946B
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imidacloprid
weight
composition pesticide
prothioconazoles
agent
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CN105340946A (en
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姚银娟
王永士
郭兵
郭一兵
王玉平
李进涛
徐彦磊
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HEBEI YETIAN AGROCHEMICALS Co Ltd
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HEBEI YETIAN AGROCHEMICALS Co Ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647—Triazoles; Hydrogenated triazoles
    • A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
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  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a kind of composition pesticide containing prothioconazoles and imidacloprid, preparation method and application, it is related to composition pesticide technical field.The composition pesticide contains active component prothioconazoles and imidacloprid, and the weight ratio of prothioconazoles and imidacloprid is 1:0.1‑40.Composition pesticide dispenser of the present invention can once prevent a variety of pest and disease damages that wheat mixing occurs or occurs in succession, and prevention effect is good, reduces cost, and environmental pollution is small.

Description

A kind of composition pesticide containing prothioconazoles and imidacloprid, preparation method and application
Technical field
The present invention relates to composition pesticide technical field.
Background technology
Wheat crops are one of China's staple food crops, its sown area and yield are only second to rice, occupy second.Wheat The species of the disease of class is very much, about 200 kinds of wheat diseases formally recording of the whole world, China occur it is heavier there are more than 20 to plant, it is such as small Wheat bunt, loose smut of wheat, wheat sharp eyespot, root rotof flax, wheat powdery mildew, wheat scab etc..In recent years, Due to new cropping systems such as straw-returning, no-till maize, wheat shallow plowing sowing and mechanization cross-regional operations and frequently The influence of the factors such as kind is adjusted, plants a variety of seed-borne diseases such as the bunt of wheat, smut, wheat sharp eyespot, root rot etc. Disease, subterranean pest-insect and the extent of injury of aphid is passed to aggravate year by year.The pest and disease damage that wheat occurs in growth course, generally requires Different pesticides is respectively adopted to be prevented, such as bunt is generally prevented using fludioxonil, smut generally uses good fortune U.S. double, carboxin prevention, banded sclerotial blight are generally prevented using triazolone, Triadimenol, and root rot is generally prevented using carbendazim, Bravo Control, powdery mildew is generally prevented using carbendazim, propiconazole, and leaf rust is generally prevented using Bravo, and aphid is generally using efficient Lambda-cyhalothrin, Fenpropathrin prevention, wireworm are generally prevented using chlopyrifos, phoxim, and grub is generally using carbofuran, thiophene Worm piperazine is prevented, and frit fly is generally prevented using imidacloprid, orthene.
At present, for the different pest and disease damage of wheat, it is necessary to multiple dispenser, expends substantial amounts of human and material resources and financial resources cost, And spraying times are frequent, dosage is big, can also cause the pollution of environment.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of composition pesticide containing prothioconazoles and imidacloprid, preparation side Method and application, the composition pesticide dispenser can once prevent a variety of pest and disease damages that wheat mixing occurs or occurs in succession, prevention effect Fruit is good, reduces cost, and environmental pollution is small.
In order to solve the above technical problems, the technical solution used in the present invention is：It is a kind of containing prothioconazoles and imidacloprid Composition pesticide, the composition pesticide contain the weight ratio of active component prothioconazoles and imidacloprid, prothioconazoles and imidacloprid For 1:0.1-40.
In the present invention, prothioconazoles are the New-type wide-spectrum triazolinthione series bactericidal agents developed by Beyer Co., Ltd, almost to wheat All diseases of class have a good preventive effect, English name prothioconazole, and No. CAS is 178928-70-6, structural formula It is as follows：
The mechanism of action of prothioconazoles is demethylation inhibitors, not only with good systemic activity, excellent protection, Activity is treated and roots out, and the lasting period is grown.Substantial amounts of field control effectiveness test shows that prothioconazoles not only have crop good Security, preventing disease theraping effect is good, and increases production obvious.
Imidacloprid is first that the 1980s, mid-term was developed jointly by the special pesticide manufacturing company of Bayer and Japan Nicotinic insecticide, English name imidacloprid, No. CAS is 138261-41-3, once with 105827-78-9, structural formula It is as follows：
After the mechanism of action of imidacloprid is contacting pests medicament, the acetylcholinergic receptor for passing through nicotine combines, maincenter god Be obstructed through normal conduction, be insect exaltation, general spasticity paralysis and it is dead.Imidacloprid is chloro nicotinoids desinsection of new generation Agent, have efficiently, wide spectrum, low toxicity, low-residual, pest is not likely to produce resistance, the features such as to people, animal, plant and natural enemies security.It is right Homoptera positive effect, it is also effective to coleoptera, Diptera and Lepidoptera, can effectively prevent Phytophthira, plant hopper, leafhopper class and Thrips class pest, and it is excellent to soil pests, white ants and other effects.
Preferably, the weight ratio of prothioconazoles and imidacloprid is 1:1-15.
Preferably, which also contains active component imazalil；The weight ratio of prothioconazoles and imazalil is 1: 0.1-10。
Imazalil is that the triazole type with absorbability developed by Japanese Janssen Pharmaceutica companies is killed Microbial inoculum, English name imazalil, No. CAS is 35554-44-0, and structural formula is as follows：
The mechanism of action of imazalil is to influence cell permeability of the membrane, physiological function and lipid anabolism, so as to destroy The cell membrane of mould, while suppress the formation of mycotic spore, it is good to a variety of fungal disease prevention effects.Since it is to the compacted spore of length Category, Fusarium and Septoria fungi have high activity, and seed treatment is made in recommendation.
It is further preferred that the weight ratio of prothioconazoles and imazalil is 1:0.5-2.
Preferably, which also contains auxiliary agent, and the gross weight of active component is composition pesticide gross weight 10-90%, remaining is auxiliary agent.Auxiliary agent in composition pesticide of the present invention can be common auxiliary agent in the field.
It is further preferred that auxiliary agent for dispersant, wetting agent, antifreezing agent, preservative, thickener, film forming agent, binding agent, One or more in colouring agent, defoamer, water and solid inert carrier.
Wherein, dispersant can be calcium lignosulfonate, sodium lignin sulfonate, naphthylmethylene polymers sulfonate, polycarboxylic acids One or more in salt or polyoxyethylene poly-oxygen propylene aether block copolymer.
Wherein, wetting agent can be sodium butylnaphthalenesulfonate salt, lauryl sodium sulfate, sldium lauryl sulfate, pull open powder, fat One or more in fat alcohol polyoxyethylene ether or alkylphenol polyoxyethylene ether.
Wherein, antifreezing agent can be one kind or more in ethylene glycol, 1,2-PD, glycerine, polyethylene glycol or urea Kind.
Wherein, thickener can be the one or more in aluminium-magnesium silicate, xanthans, sodium alginate or bentonite.
Wherein, film forming agent can be Arabic gum, animal glue, methylcellulose, ethyl cellulose, hydroxymethyl cellulose One or more in sodium, polyvinyl alcohol, polyethylene glycol, polyacrylamide, Sodium Polyacrylate and equal polyvinyl acetate.
Wherein, binding agent can be starch, gelatin, Arabic gum, polyvinylpyrrolidone, methylcellulose, glucose Or the one or more in sucrose.
Wherein, solid inert carrier can be one in kaolin, diatomite, white carbon, attapulgite, precipitated calcium carbonate Kind is a variety of.
Preservative, colouring agent and defoamer also use material commonly used in the art, this is known to those skilled in the art, Such as：Colouring agent is acid scarlet etc., and details are not described herein.
The preparation method of composition pesticide containing prothioconazoles and imidacloprid, comprises the following steps：
A, stock up；
B, directly mixed by proportioning；
When active component and auxiliary agent at the same time in the presence of, after can first active component be mixed, then mix with auxiliary agent；Can also One or more in active component are first mixed with auxiliary agent, finally carry out total mixing again.
The various composition pesticides of the present invention can be provided with final product form, i.e., each component has mixed in composition； It can be provided by every kind of component in the form of separate dosage forms, when use directly carries out bucket and mixes.
In use, mixed formulation, in addition to active component, it is necessary to have auxiliary agent, in order to dilute and easy to absorb Deng.
Composition pesticide of the present invention can be prepared into different formulations, specific formulation can according to add different auxiliary agents into Prepared by row, for example, the formulation of pesticide can be prepared into suspension seed-coating agent, seed treatment dispersible pulvis, seed treatment dry powder doses Deng.
Wherein, in each formulation, the gross weight of active ingredient can be the 10-90% of composition pesticide gross mass, and to it Its component and content can take the proportioning of this area routine without particular/special requirement, for example, following formulation is except containing weight 10- Outside 90% active ingredient, the species and content of the other auxiliary agents of the present invention can take this area is conventional to match somebody with somebody without particular/special requirement Than.
Suspension seed-coating agent typically contains dispersant weight 2-5%, wetting agent weight 0-2%, antifreezing agent weight 0-5 %, thickening Agent weight 0-5%, defoamer weight 0-1%, film forming agent weight 0.5-3%, colourant weights 0.1-5%, surplus is water.Suspended seed coating Agent usually needs wet pulverizing to obtain the suspension liquid of stable, flowable, easy measurement volume.
Seed treatment dispersible pulvis typically contains dispersant weight 0.5-10%, wetting agent weight 0.5-5%, binding agent weight 0-5%, colourant weights 0-5% are measured, surplus is solid inert carrier.Seed treatment dispersible pulvis usually needs dry pulverization process to obtain Obtain free flowable powdery solid.
Seed treatment dry powder doses typically contain dispersant weight 0.1-5%, wetting agent weight 0-2%, weight of binder 0-5%, Colourant weights 0-5%, surplus are solid inert carrier.Seed treatment dry powder doses usually need dry pulverization process so that obtain can free flow Dynamic powdery solid.
In the present invention, for various formulations preparation method without particular/special requirement, various sides well known in the art can be used Method, details are not described herein.
It will be understood by those skilled in the art that the various formulations in the present invention in actual use can be according to reality Dilution is needed to use.
On the other hand, present invention also offers the composition pesticide containing prothioconazoles and imidacloprid in prevention Wheat Diseases And Insect Pests In application.
Preferably, Wheat Diseases And Insect Pests are bunt, smut, banded sclerotial blight, root rot, powdery mildew, leaf rust, aphid One or more in worm, wireworm, grub and frit fly.
Preferably, the method for preventing Wheat Diseases And Insect Pests is for wheat seed processing by the composition pesticide.
In the present invention, pesticide can use method commonly used in the art to use, and be used for example, directly spreading fertilizer over the fields in field, or Field spray use is carried out after dilution, or carries out seed treatment.From the point of view of pesticide utilization rate height, the method for pesticide is used Preferably seed treatment is carried out with pesticide.Seed treatment includes coating or seed dressing.
Wherein, dosage or seed treatment dosage of the above-mentioned composition pesticide in ground per acre are not particularly limited, and specifically may be used With the mu dosage according to active ingredient or seed treatment dosage and the active ingredient of preparation（That is active component）Content is adjusted, such as The total amount of application that can make the active ingredient of ground per acre is 2-100g, or the effective ingredient consumption of every 100kg seeds is 2- 100g。
It is using beneficial effect caused by above-mentioned technical proposal：
（1）Composition pesticide dispenser of the present invention can once prevent a variety of pest and disease damages that wheat mixing occurs or occurs in succession, Prevention effect is good, reduces cost, and environmental pollution is small.
（2）Prothioconazoles in composition pesticide and imidacloprid in the present invention can obtain positive effect, prothioconazoles and Imidacloprid complex composition is relative to oligomict prothioconazoles or imidacloprid, and prevention effect is good, has synergistic effect, the two is multiple With the multiple diseases that can prevent wheat, and dosage is smaller, is not likely to produce the resistance to the action of a drug, can effectively prevent wheat mixing occur or The a variety of pest and disease damages occurred in succession, improve wheat yield, improve wheat quality.
（3）Another composition prothioconazoles of the present invention, the ternary built of imidacloprid and imazalil relative to list into Divide prothioconazoles, imidacloprid or imazalil, there is synergistic effect, and a variety of main diseases of the whole growth cycle of wheat can be prevented Insect pest, reduces spraying times, cost-effective, mitigates the pollution to environment.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Following embodiments are to be used for field trial to the composition pesticide of the present invention（Seed treatment）Efficacy testing when middle. First pesticide is prepared according to the formula in following embodiments and comparative example.Wherein, prothioconazoles are limited purchased from Beijing rich chemical industry of auspicious continuous heavy rain Company；Imidacloprid is purchased from Hebei Ye Tian agrochemicals Co., Ltd；Imazalil is purchased from Anhui Guangxin Agricultural Chemicals Co., Ltd.；Wood Quality sodium sulfonate is purchased from Nanjing company of Jie Run Science and Technology Ltd.s；Fatty alcohol polyoxyethylene ether has purchased from Hebei Cangzhou letter source agrochemical Limit company；Xanthans is purchased from pavilion biochemistry Co., Ltd in Shandong Zibo；Aluminium-magnesium silicate is purchased from the limited public affairs of Hunan friend Thailand new high-tech material Department；Organic silicon defoamer is purchased from Shanghai Mitugao New Material Group；Polyvinyl alcohol is purchased from Hebei Cangzhou Hong Yuan agrochemical Co., Ltd, Average molecular weight is 16000-20000；Equal polyvinyl acetate is purchased from grand bright industry chemical industry；Acid scarlet is transported purchased from Jining of Shandong Province He Ranhua Co., Ltds；Naphthylmethylene polymers sulfonate is big high molecular material Co., Ltd purchased from Shanghai；Sldium lauryl sulfate Purchased from Guangzhou Yuan Cheng Chemical Industry Science Co., Ltd；Kaolin is purchased from Xuzhou Mining Group；Polycarboxylate is big height purchased from Shanghai Molecular material Co., Ltd；Diatomite is purchased from Henan Wan Jiang Environmental Protection Technology Co., Ltd；Polyoxyethylene poly-oxygen propylene aether is purchased from standing grain Big chemicals（Shanghai）Co., Ltd；Pull open powder is purchased from Fei Huang Chemical Co., Ltd.s of Xinyi City.
Embodiment 1 to 8, active ingredient, i.e. active component（Prothioconazoles+imidacloprid）Total content be weight 42%（Tool Body is shown in Table 1）, in addition to active ingredient, other adjuvant components are：Naphthylmethylene polymers sulfonate weight 4%, aliphatic alcohol polyethenoxy Ether weight 1%, xanthans weight 0.1%, aluminium-magnesium silicate weight 0.2%, organic silicon defoamer weight 0.1%, polyvinyl alcohol weight 0.5%, equal polyvinyl acetate weight 0.3%, acid scarlet weight 1.0%, water is added to weight 100%.
Embodiment 9 to 16, active ingredient, i.e. active component（Prothioconazoles+imidacloprid+imazalil）Total content attach most importance to Amount 42%（Specifically it is shown in Table 2）, in addition to active ingredient, other adjuvant components are：Naphthylmethylene polymers sulfonate weight 4%, fatty alcohol Polyoxyethylene ether weight 1%, xanthans weight 0.1%, aluminium-magnesium silicate weight 0.2%, organic silicon defoamer weight 0.1%, polyethylene Alcohol 0.5%, equal polyvinyl acetate weight 0.3%, acid scarlet weight 1.0%, water are added to weight 100%.
Embodiment 17
50% prothioconazoles imidacloprid imazalil seed treatment dispersible pulvis
Prothioconazoles weight 5%, imidacloprid weight 35%, imazalil weight 10%, sodium lignin sulfonate weight 8%, laruyl alcohol Sodium sulphate weight 2%, starch weight 5%, acid scarlet weight 1%, kaolin weight 34%.
Embodiment 18
70% prothioconazoles imidacloprid imazalil seed treatment dry powder doses
Prothioconazoles weight 2%, imidacloprid weight 66.5%, imazalil weight 1.5%, sodium lignin sulfonate weight 4%, bay Alcohol sodium sulphate weight 2%, starch weight 5%, acid scarlet weight 1%, kaolin weight 18%.
Embodiment 19
10% prothioconazoles imidacloprid imazalil suspension seed-coating agent
Prothioconazoles weight 0.5%, imidacloprid weight 8.5%, imazalil weight 1%, naphthylmethylene polymers sulfonate weight 4%, fatty alcohol polyoxyethylene ether weight 1%, xanthans weight 0.1%, aluminium-magnesium silicate weight 0.2%, organic silicon defoamer weight 0.1%, polyvinyl alcohol 0.5%, equal polyvinyl acetate weight 0.3%, acid scarlet weight 1.0%, water is added to weight 100%.
Embodiment 20
90% prothioconazoles imidacloprid imazalil seed treatment dry powder doses
Prothioconazoles weight 7.5%, imidacloprid weight 72.5%, imazalil weight 10%, sodium lignin sulfonate weight 5%, the moon Lauryl sulfate weight 2%, acid scarlet weight 1%, starch weight 2%.
Comparative example 1
42% prothioconazoles suspension seed-coating agent
Prothioconazoles weight 42%, naphthylmethylene polymers sulfonate weight 4%, fatty alcohol polyoxyethylene ether weight 1%, xanthan Glue weight 0.1%, aluminium-magnesium silicate weight 0.2%, organic silicon defoamer weight 0.1%, polyvinyl alcohol weight 0.5%, homopolymerization acetic acid second Enester weight 0.3%, acid scarlet weight 1.0%, water are added to weight 100%.
Comparative example 2
42% imidacloprid suspension seed-coating agent
Imidacloprid weight 42%, naphthylmethylene polymers sulfonate weight 4%, fatty alcohol polyoxyethylene ether weight 1%, xanthans 0.1 % of weight, aluminium-magnesium silicate weight 0.2%, organic silicon defoamer weight 0.1%, polyvinyl alcohol weight 0.5%, equal polyvinyl acetate Ester weight 0.3%, acid scarlet weight 1.0%, water are added to weight 100%.
Comparative example 3
42% imazalil suspension seed-coating agent
Imazalil weight 42%, naphthylmethylene polymers sulfonate weight 4%, fatty alcohol polyoxyethylene ether weight 1%, xanthans Weight 0.1%, aluminium-magnesium silicate weight 0.2%, organic silicon defoamer weight 0.1%, polyvinyl alcohol weight 0.5%, equal polyvinyl acetate Ester weight 0.3%, acid scarlet weight 1.0%, water are added to weight 100%.
Comparative example 4
42% prothioconazoles imazalil suspension seed-coating agent
Prothioconazoles weight 21%, imazalil weight 21%, naphthylmethylene polymers sulfonate weight 4%, aliphatic alcohol polyethenoxy Ether weight 1%, xanthans weight 0.1%, aluminium-magnesium silicate weight 0.2%, organic silicon defoamer weight 0.1%, polyvinyl alcohol weight 0.5%, equal polyvinyl acetate weight 0.3%, acid scarlet weight 1.0%, water is added to weight 100%.
Comparative example 5
42% imidacloprid imazalil suspension seed-coating agent
Imidacloprid weight 38.2%, imazalil weight 3.8%, naphthylmethylene polymers sulfonate weight 4%, fatty alcohol polyoxy second Alkene ether weight 1%, xanthans weight 0.1%, aluminium-magnesium silicate weight 0.2%, organic silicon defoamer weight 0.1%, polyvinyl alcohol weight 0.5%, equal polyvinyl acetate weight 0.3%, acid scarlet weight 1.0%, water is added to weight 100%.
Test site：Carried out in one peasant household ground of Handan in Hebei province.The plot physical features is flat, and soil fertility is uniform, connects in 3 years Continuous plantation Wheat Maize.Each treatment region wheat routinely production management after plantation.Wheat breed is Handan wheat 6172.
The seed coat agent that embodiment 1-20 and comparative example 1-5 is respectively adopted is coated wheat processing, and sets one group of blank Control（Processing is not coated to wheat）, the dosage of every kind of seed coat agent is 200g/100kg seeds.Respectively by above-mentioned kind Clothing agent fully shakes up after being watered dilution 50%.With polybag contained it is selected after seed, dilute liquid medicine is poured on Quick shaking on seed Shake, until liquid is evenly distributed on seed（Judged according to color）, then spread out indoors and dry standby broadcast.October 16 in 2014 Day sowing, is sowed, line-spacing 20cm, 15kg/ mus of the amount of broadcasting using line-spacings such as artificial sowing machines.
According to wheat growing process, investigation different disposal is to subterranean pest-insect, aphid, frit fly, bunt, scattered dust-brand The preventive effect of the And Control of The Main Diseases And Pests of Wheat such as disease, banded sclerotial blight, root rot evil, the statistical method of specific pest and disease damage are as described below.
Wheat wireworm, cutworm, the statistical method of prevention effect of grub are：
For each treatment region using random 5 points samplings, every 4 caves, amount to 20 caves.Shoveling sampling survey work borer population during investigation, Digging depth is to 30 cm, according to formula（I）Calculate vermins-proof effect（Prevention effect）.
The investigation method of wheat aphid and frit fly prevention effect is：Each treatment region is sampled using random 5 points, every 4 Strain, investigates the aphid on wheat plant（Or frit fly）Head number, according to formula（I）Calculate vermins-proof effect.
The investigation method of wheat sharp eyespot is：Each treatment region is each to handle cell investigation 30 using random 5 points samplings Strain, investigates the diseased plant rate and disease index of each treatment region seedling stage banded sclerotial blight, while investigates grouting latter stage withered fringe rate, according to formula（II） And formula（III）Calculate prevention effect.
Banded sclerotial blight severity Scaling index：0 grade：Do not fall ill；1 grade：Leaf sheath is fallen ill, or scab width accounts for cane girth on cane Less than 1/4；2 grades：Scab width accounts for the 1/4-1/2 of cane girth on cane；3 grades：Scab width accounts for cane girth on cane 1/2-3/4；4 grades：Scab width accounts for more than the 3/4 of cane girth on cane；5 grades：Diseased plant is withered ahead of time, in withered booting or withered Dead ears.
The investigation method of root rotof flax is：Each treatment region is each to handle cell investigation 30 using random 5 points samplings Strain, investigates the diseased plant rate and disease index of each treatment region seedling stage root rot, according to formula（II）And formula（III）Calculate prevention effect.
Root rot severity Scaling index：0 grade：Equal disease-free spot on stem foot and main fibrous root；1 grade：Have on stem foot and main root a small amount of Scab；3 grades：Scab is more on stem foot and main root, and lesion area accounts for the 1/4-1/2 of stem foot and the root gross area；5 grades：Stem foot and master Scab is more and big on root, and lesion area accounts for the 1/2-3/4 of stem foot and the root gross area；7 grades：On stem foot and main root scab in flakes, shape Into around neck phenomenon, but root system is not dead；9 grades：Root system necrosis, plant above ground portion wilts or death.
Wheat powdery mildew investigation method：5 points of samplings are fixed per cell diagonal, look into 0.25 square metre of plant, wheat at every Stand up jointing stage investigation base portion 1-5 piece leaves, every plant of boot leaf and lower first leaf of boot leaf is investigated after heading.
The stage division of wheat powdery mildew（In units of blade）：0 grade：It is disease-free；1 grade：Lesion area accounts for full wafer leaf area Less than 5%；3 grades：Lesion area accounts for the 6%-15% of full wafer leaf area；5 grades：Lesion area accounts for the 16%-25% of full wafer leaf area；7 Level：Lesion area accounts for the 26%-50% of full wafer leaf area；9 grades：Lesion area accounts for more than the 50% of full wafer leaf area.
The investigation method of wheat leaf rust：Or 5 sampling surveys of diagonal are selected at random at representational 5 points per cell, Every is investigated 20 plants, every plant of investigation top three pieces leaf（Include boot leaf if having boot leaf）, accounted for entirely with lesion area on every leaf The percentage classification of leaf area.
The stage division of wheat leaf rust：0 grade：It is disease-free；1 grade：Lesion area accounts for less than the 5% of full wafer leaf area；3 grades：Disease Spot area accounts for the 6%-25% of full wafer leaf area；5 grades：Lesion area accounts for the 26%-50% of full wafer leaf area；7 grades：Lesion area accounts for whole The 51%-75% of piece leaf area；9 grades：Lesion area accounts for more than the 76% of full wafer leaf area.
The bunt of wheat, the statistics reference of the state of an illness of smut《Pesticide field efficacy medicine test criterion》In《Fungicide is prevented Control Cereal seed-borne disease》Guidance method carry out.
Embodiment 1-8 in table 3 compared with the data of comparative example 1-2 it can be seen from the present invention prothioconazoles and Imidacloprid complex composition is relative to oligomict prothioconazoles or imidacloprid, and prevention effect is good, has synergistic effect, the two is multiple With the multiple diseases that can prevent wheat.Embodiment 1-8 is compared as can be seen that the weight ratio of prothioconazoles and imidacloprid For 1:（1-15）When can further improve prevention effect, the weight ratio of prothioconazoles and imidacloprid is 1:To the above-mentioned disease of wheat when 10 The prevention effect of insect pest is best.
Embodiment 9-20 in table 3 compared with the data of comparative example 1-5 it can be seen from this law invention another The ternary built of composition prothioconazoles, imidacloprid and imazalil is relative to single composition prothioconazoles, imidacloprid or imazalil, tool There is synergistic effect, and a variety of main diseases and insect pests of the whole growth cycle of wheat can be prevented, reduce spraying times, it is cost-effective, Mitigate the pollution to environment.The weight ratio of prothioconazoles, imidacloprid and imazalil is 1:（1-15）:（0.5-2）When can be further Prevention effect is improved, the weight ratio of three is 1:10:Prevention effect is best when 1.
The preferred embodiment of the present invention described in detail above, still, during present invention is not limited to the embodiments described above Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should equally be considered as content disclosed in this invention.

Claims (6)

  1. A kind of 1. composition pesticide containing prothioconazoles and imidacloprid, it is characterised in that：The composition pesticide contains active component The weight ratio of prothioconazoles and imidacloprid, prothioconazoles and imidacloprid is 1:0.1-40；
    The composition pesticide also contains active component imazalil；The weight ratio of prothioconazoles and imazalil is 1:0.1-10；
    Application of the composition pesticide in Wheat Diseases And Insect Pests are prevented；The Wheat Diseases And Insect Pests for bunt, smut, One or more in banded sclerotial blight, root rot, powdery mildew, leaf rust, aphid, wireworm, grub and frit fly；
    The composition pesticide also contains auxiliary agent, and the 10-90% that the gross weight of active component is composition pesticide gross weight, remaining For auxiliary agent.
  2. A kind of 2. composition pesticide containing prothioconazoles and imidacloprid according to claim 1, it is characterised in that rosickyite bacterium The weight ratio of azoles and imidacloprid is 1:1-15.
  3. A kind of 3. composition pesticide containing prothioconazoles and imidacloprid according to claim 1, it is characterised in that rosickyite bacterium The weight ratio of azoles and imazalil is 1:0.5-2.
  4. 4. a kind of composition pesticide containing prothioconazoles and imidacloprid according to claim 1, it is characterised in that described to help Agent is dispersant, wetting agent, antifreezing agent, preservative, thickener, film forming agent, binding agent, colouring agent, defoamer, water and solid are lazy One or more in property carrier.
  5. A kind of 5. preparation side of composition pesticide containing prothioconazoles and imidacloprid as described in claim 1-4 any one Method, it is characterised in that comprise the following steps：
    A, stock up；
    B, directly mixed by proportioning；
    When active component and auxiliary agent at the same time in the presence of, after can first active component be mixed, then mix with auxiliary agent；Can also be by work Property component in one or more first mixed with auxiliary agent, finally carry out total mixing again.
  6. 6. a kind of composition pesticide containing prothioconazoles and imidacloprid according to claim 1, it is characterised in that prevention is small The method of wheat pest and disease damage is for wheat seed processing by the composition pesticide.
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CN107771849A (en) * 2016-08-29 2018-03-09 四川利尔作物科学有限公司 Seed treatment composition and its application
CN107788009A (en) * 2016-08-29 2018-03-13 四川利尔作物科学有限公司 Seed treatment composition and its application
CN107788003A (en) * 2016-08-31 2018-03-13 四川利尔作物科学有限公司 Seed treatment composition and its application
CN111587887A (en) * 2020-06-30 2020-08-28 江苏丘陵地区镇江农业科学研究所 Rice seed treating agent containing prothioconazole, imazalil and cartap and application thereof
CN115039785B (en) * 2022-07-08 2024-06-25 安徽省农业科学院植物保护与农产品质量安全研究所 Medicament composition for preventing and treating wheat stem-based rot and application thereof
CN116210714A (en) * 2023-02-14 2023-06-06 上海沪联生物药业（夏邑）股份有限公司 Seed treatment composition containing penflufen, prothioconazole and neonicotinoid compounds

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CN103918691A (en) * 2013-01-12 2014-07-16 王学权 Imazalil-containing sterilization composition

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