CN107549189A - A kind of suspension seed-coating agent containing AVM, pyraclostrobin and iprodione - Google Patents

A kind of suspension seed-coating agent containing AVM, pyraclostrobin and iprodione Download PDF

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CN107549189A
CN107549189A CN201711005588.XA CN201711005588A CN107549189A CN 107549189 A CN107549189 A CN 107549189A CN 201711005588 A CN201711005588 A CN 201711005588A CN 107549189 A CN107549189 A CN 107549189A
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agent
pyraclostrobin
avm
iprodione
seed
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龚国斌
程小虎
章保华
孙永强
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Anhui Fengle Agrochemical Co Ltd
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Anhui Fengle Agrochemical Co Ltd
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Abstract

The present invention relates to a kind of suspension seed-coating agent containing AVM, pyraclostrobin and iprodione, the suspension seed-coating agent is made up of effective ingredient and auxiliary ingredients, wherein effective ingredient is AVM, pyraclostrobin and iprodione, and the mass ratio of the AVM, pyraclostrobin and iprodione is 1~5: 1~5:50~10.The present invention is compounded AVM, iprodione and pyraclostrobin according to a certain ratio, can accomplish disease pest double play, especially there is good prevention effect to nematode and root disease;The plant diseases such as root rot, soybean cyst nematode Heterodera glycines, take-all, root rotof flax, the nematode disease of wheat, rice seedling blight, bakanae disease, aphelenchoides besseyi disease can be effectively prevented and treated, can also prevent and treat the insects such as crops seedling stage soybean cyst nematode Heterodera glycines, thrips, trialeurodes vaporariorum;But also plant growth can be promoted, it can be good at solving the problems, such as to run into above actual production, time and labour saving, the less pollution compared with other pesticide application technologies.

Description

A kind of suspension seed-coating agent containing AVM, pyraclostrobin and iprodione
Technical field
The invention belongs to chemical pesticide field, and in particular to a kind of containing AVM, pyraclostrobin and iprodione Suspension seed-coating agent.
Background technology
In agricultural production, because the pathogen entrained by seeds self, the pathogen in soil, seedling stage are airborne Pathogen, insect pest etc. often result in diseases and pests of agronomic crop, and serious even No kernels or seeds are gathered, as in a year of scarcity, turns into a major limitation of agricultural production The factor.People were in order to keep a full stand of seedings in the past, and by increasing the method for application rate, but this measure had not only wasted seed but also can not eliminate disease Evil.Arisen at the historic moment in face of these problem seed processing technologies, show the advantage of uniqueness.The seed treatment of broad sense refers in agriculture Ensure that germination is neat, seedling production is healthy and strong or accelerates its development to improve seed seeding quality in industry production, make crop It is ripe ahead of time and increase yield, or change seed profile and amount, make to be easy to sow or with Medicament soaked seed or seed dressing, to prevent disease pest Evil, therefore before agricultural chemicals crop is sowed, different processing is carried out to seed, with the economy of integrated control Crop Species seedling diseases insect pest, letter Just, effective method.The seed of chemical method processing at present is the most popular method of the prevention and control of plant diseases, pest control.
AVM is a kind of f macrolide disaccharide compound, have tag, stomach toxicity, and penetration is strong.It is from soil The natural products separated in earth microorganism, have to insect and mite class and tag and stomach poison function, and have faint fumigation action, but Ovicidal is not without systemic action yet.But it has very strong osmosis to blade, subepidermal insect can be killed, and the longevity of residure is grown. Its mechanism of action its interference nervous physiology activity unlike general insecticide, stimulates and discharges r- aminobutyric acids, and r- ammonia Base butyric acid has inhibitory action to the nerve conduction of arthropod, and mite class goes out after being contacted into, deutonymph and insect with larva with medicament Existing paralysis symptom, inactive not feeding is dead after 2-4 days, root nematode is acted on obvious.Because not causing insect rapid dehydration, So its lethal effect is slower.Though there is direct killing effect to predatism and parasite, because plant surface residual is few, Therefore the damage to beneficial insect is small.
Iprodione is dicarboximide class high-efficiency broad spectrum, contact killing type bactericide.It rises simultaneously to spore, mycelium, sclerotium Effect, suppress germ spore germination and mycelial growth.It can hardly be permeated in plant, belong to protective fungicide.This medicament There is preferable bactericidal action to Botrytis cinerea category, nuclear disk category, neurospora, bulbil category, Monilia.Its mechanism of action with Feature suppresses protein kinase, controls the Intracellular signals of many cell functions, including carbohydrate to combine people fungal cell The interference effect of component.Therefore, it can both suppress fungus spore germination and generation, can also suppress mycelial growth.I.e. to pathogen Each stage of development in the history of life has an impact, and can play therapeutic action by root absorption.Also there is preferable effect to nematode.
Pyraclostrobin can effectively control Ascomycotina, Basidiomycotina, Deuteromycotina and Oomycete pathogen Caused most plants disease.Effect is rapid, lasting period length, and resistance of rainwater washing against.Plant growth, enhancing can be promoted anti-simultaneously Inverse property, improve crop yield and quality.
AVM, iprodione and pyraclostrobin three have good compatibility, make seed coat agent, not only can be to prevent Other root diseases such as root rot are controlled, and nematode can be prevented and treated, can be good at solving to run into above actual production asks Topic, time and labour saving, the less pollution compared with other pesticide application technologies.
Up to the present, found through preliminary search:Patent one kind of only Chen Jianjun application kills nematode combination preparation, different bacterium Urea and active component (CN201510095795.3) are used to prevent and treat nematode;Shenzhen Nuopuxin Agricultural Chemical Co., Ltd applies special Sharp (CN201710013840.5), including pyraclostrobin, AVM and gamma cyhalothrin.Baeyer crop science share The patent of company's application includes fat chitosan oligosaccharide derivative and nematicide, the reactive compound of insecticide or Fungicidal compounds The patents such as combination.But the relevant report not using AVM, iprodione and pyraclostrobin as the seed coat agent of active ingredient.
Therefore, in order to adapt to the actual requirement of agricultural production, it is a kind of have a wide range of application, preventive effect is high and low toxic and environment-friendly type it is new The research and development of type pesticide seed coating are extremely urgent, and my company research staff passes through research of the long-time in seed coat agent field, with difference Compound screening experiment is done between the high-efficiency environment friendly agricultural chemicals of the mechanism of action, to improve single dose in actual production the problem of preventive effect decline, After many experiments, a kind of new Fungicidal insecticidal composition suspended seed coating agent prescription, its principle active component are proposed finally For AVM, iprodione and pyraclostrobin.
The content of the invention
It is an object of the invention to provide it is a kind of have a wide range of application, high-efficiency low-toxicity environmental protection be used for handle seed contain Ah The suspension seed-coating agent that rhzomorph, pyraclostrobin and iprodione are active ingredient is tieed up, to solve the underground disease run into production at present The problems such as evil and nematodiasis preventive effect are bad and seriously polluted.
This seed coat agent is a kind of water base property suspension seed-coating agent being prepared using corresponding suspending agent processing technology.It can use In soybean, peanut, cotton, wheat, rice, corn, sorghum, fruit tree, the seed in forest and flower nursery is coated, preferably to prevent Control the droop of cereal crop, damping-off, verticillium wilt, samping off, seedling rot, root rot, macerate the diseases such as root and nematode, and There is significant prevention effect to Soybean Seedling SCN, thrips, subterranean pest-insect and colorado potato bug and frit fly, and have Crop root growth development, strong plantlets and rootage is promoted to improve the effect of survival rate.
Not all compound compounding all has compatibility, the formulations of pesticide required for being prepared on agricultural chemicals, I Company research staff is constantly done the experimental formula screening of formulation, proposed finally a kind of new by substantial amounts of experimental study Composition pesticide suspension seed-coating agent.
Technical scheme is as follows:
A kind of suspension seed-coating agent containing AVM, pyraclostrobin and iprodione, the suspension seed-coating agent are by effective Composition and auxiliary ingredients form, and wherein effective ingredient is AVM, pyraclostrobin and iprodione, the AVM, pyrrole The mass ratio of azoles kresoxim-methyl and iprodione is 1~5: 1~5:50~10.
Further scheme, the mass ratio of the AVM, pyraclostrobin and iprodione is 1.5~4.5: 1~3.5: 50~20.
Further scheme, the mass ratio of the AVM, pyraclostrobin and iprodione is 2.5: 2.5:30.
Further scheme, the auxiliary ingredients are prepared by weight by following components:2~50 parts of dispersant;It is antifreeze 1~5 part of agent;0.1~4 part of anticaking agent;0.1~6 part of suspending agent;0.1~3 part of film forming agent;0.1~3 part of mould inhibitor;PH adjusting agent 0.1~5 part;0.5~5 part of colouring agent;1~10 part of filler;10~80 parts of deionized water.
Further scheme, described dispersant are selected from phosphate, lignosulfonates, benzenesulfonates, alkyl phenol polyoxy Vinethene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, At least one of polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, glycerine fatty acid ester APEO;
Described antifreezing agent is the one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite, urea;
Described anticaking agent is at least one of sodium silicoaluminate, tricalcium phosphate, silica;
Described suspending agent is white carbon or xanthans;
Described film forming agent is at least one of polyvinyl alcohol, polyvinyl acetate or modified starch;
Described mould inhibitor is in BIT, sodium benzoate, sorbic acid and polyhydroxy benzenes formic acid propyl propionate It is one or more;
Described pH adjusting agent is sodium hydroxide, ammoniacal liquor, acetic acid, hydrochloric acid, citric acid or phosphoric acid;
The colouring agent is acid red as fire or Acid Red B;
One kind in kaolin, diatomite, bentonite, attapulgite, starch, precipitated calcium carbonate of described filler or It is a variety of.
The seed that described suspension seed-coating agent is mainly used in soybean, peanut, wheat, rice, corn, sorghum and flower nursery is being planted Coating seed dressing before planting.So as to preferably prevent and treat the droop of cereal crop, damping-off, full rot, root rot, verticillium wilt, Samping off, banded sclerotial blight, seedling rot, sclerotiniose, macerate root, continuous cropping continuous cropping obstacle has special efficacy, and to insect, such as soybean cyst line Worm, thrips, subterranean pest-insect and colorado potato bug and frit fly have significant prevention effect, also have and promote crop root growth Development, strong plantlets and rootage improve the effect of survival rate.
The preparation method of the suspension seed-coating agent of the present invention is in high-shear emulsifying dispersion machine, and pyrazoles ether bacterium is added by proportioning Ester, AVM, iprodione, dispersant, antifreezing agent, anticaking agent, film forming agent, mould inhibitor, colouring agent, filler, PH conditioning agents and Deionized water is supplied, stirring while adding uniform, mixed liquor is disperseed 30 minutes in average, then the at the uniform velocity even amount of above-mentioned mixed liquor is added Enter ball milling 1.5-3 hours in ball mill, be eventually adding the aqueous solution regulation viscosity that suspending agent is made into, discharged after mixing.
The suspension seed-coating agent of the present invention is mainly used in preventing and treating the droop of cereal crop, damping-off, verticillium wilt, dampinged off Disease, banded sclerotial blight, seedling rot, sclerotiniose, epidemic disease, dry rot, scab, sclerotium soft rot, seedling blight, stem wilt, leaf blight, macerate Root, continuous cropping continuous cropping obstacle have a special efficacy, and to insect, such as soybean cyst nematode Heterodera glycines, leafhopper, thrips, trialeurodes vaporariorum and colorado potato bug and Frit fly has significant prevention effect, belongs to the seed coat agent of pesticide-germicide compounding, can significantly improve seed sprouting and arrive seedling The pest-resistant resistance against diseases of phase, and have the function that to promote crop root growth development, strong plantlets and rootage to improve survival rate.
Beneficial effects of the present invention:
1st, the present invention is compounded AVM, pyraclostrobin and iprodione according to a certain ratio, because three has Good compatibility, accomplish disease pest double play, and have good drug effect to underground, the germ insect of ground and nematode;Can be effective Prevent and treat root rot, soybean cyst nematode Heterodera glycines, peanut root rot, peanut root-knot nematode, take-all, the nematode disease of wheat, rice The plant pests such as damping-off, bakanae disease and aphelenchoides besseyi disease.
2nd, seed coat agent of the invention has the function that to promote crop root growth development, strong plantlets and rootage to improve survival rate, energy It is enough to solve the problems, such as to run into above actual production well, time and labour saving, the less pollution compared with other pesticide application technologies.
3rd, seed coat agent of the invention has a wide range of application, preventive effect is high and low toxic and environment-friendly.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, present invention specific examples below Illustrate, but the present invention is limited to absolutely not these examples.As described below is only the preferable embodiment of the present invention, is used only for explaining The present invention, therefore it can not be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that all spirit in the present invention With all any modification, equivalent and improvement done within principle etc., it should be included in the scope of the protection.Cause This, the protection domain of patent of the present invention should be defined by appended claims.
Embodiment one:12% AVM pyraclostrobin iprodione suspension seed-coating agent
AVM 1g, pyraclostrobin 1g, iprodione 10g;Dispersant sodium lignin sulfonate 8g, antifreeze glycol 2g, anticaking agent sodium silicoaluminate 3g, suspending agent white carbon 4g, film forming agent polyvinyl alcohol 5g, preservative sodium benzoate 2g, colouring agent acid The bright red 1g of property, pH adjusting agent acetic acid 1g, filler kaolin 2g, deionized water supply 100g.
First above-mentioned AVM, iprodione, pyraclostrobin, filler, colouring agent, anticaking agent, filler powder material are added Enter after mixing 30min in the homogenizer equipped with deionized water, sequentially add the liquid such as dispersant, film forming agent, antifreezing agent, preservative Raw material, 10-15min is remixed, form premix slurry.In the high-shear emulsifying dispersion machine that premix slurry is extracted again, close Close, pressurize under conditions of it is fully emulsified, scattered, make premix slurry more uniformly, refinement.Then by this slurry by pipeline and every It is pumped into from pump in ball mill, adds suspending agent, is discharged after grinding 2-3 times.Flowing for magneta colour is finally obtained after sieving, dispensing Dynamic suspension liquid, weigh, pack and get product.
Embodiment two:15% AVM pyraclostrobin iprodione suspension seed-coating agent
AVM 1.5g, pyraclostrobin active compound 1g, iprodione 12.5g, dispersant are sodium lignin sulfonate 8g, antifreeze Agent is ethylene glycol 2g, anticaking agent is sodium silicoaluminate 2g, suspending agent is xanthans 0.15g, film forming agent is polyvinyl alcohol 5g, preservative Sodium benzoate 1g, colouring agent are acid scarlet 1g, pH adjusting agent is acetic acid 5g, filler kaolin 2g, diatomite 8g, deionized water Supply 100g.
First above-mentioned AVM, iprodione, pyraclostrobin, filler, colouring agent, anticaking agent, filler powder material are added Enter after mixing 30min in the homogenizer equipped with deionized water, sequentially add the liquid such as dispersant, film forming agent, antifreezing agent, preservative Raw material, 10-15min is remixed, form premix slurry.In the high-shear emulsifying dispersion machine that premix slurry is extracted again, close Close, pressurize under conditions of it is fully emulsified, scattered, make premix slurry more uniformly, refinement.Then by this slurry by pipeline and every It is pumped into from pump in ball mill, adds suspending agent, is discharged after grinding 2-3 times.Flowing for magneta colour is finally obtained after sieving, dispensing Dynamic suspension liquid, weigh, pack and get product.
Embodiment three:28% AVM pyraclostrobin iprodione suspension seed-coating agent
AVM 4.5g, pyraclostrobin active compound 3.5g, iprodione 20g, dispersant are sodium lignin sulfonate 8g, antifreeze Agent is ethylene glycol 2g, anticaking agent is sodium silicoaluminate 2g, suspending agent is xanthans 0.15g, film forming agent is polyvinyl alcohol 6g, preservative Sodium benzoate 1g, colouring agent are acid scarlet 1g, pH adjusting agent is acetic acid 3g, filler concave convex rod 1g, deionized water are supplied 100g。
AVM, iprodione, pyraclostrobin, filler, colouring agent, anticaking agent, filler powder material are first added into dress Have after mixing 30min in the homogenizer of deionized water, sequentially add the liquid such as dispersant, film forming agent, antifreezing agent, preservative original Material, 10-15min is remixed, form premix slurry.To premix again in the high-shear emulsifying dispersion machine that extracts of slurry, it is closed, It is fully emulsified under conditions of pressurization, scattered, make premix slurry more uniformly, refinement.Then this slurry is passed through into pipeline and isolation Pump is pumped into ball mill, adds suspending agent, is discharged after grinding 2-3 times.The flowable of magneta colour is finally obtained after sieving, dispensing Suspension liquid, weigh, pack and get product.
Example IV:22.5% AVM pyraclostrobin iprodione suspension seed-coating agent
AVM 1.5g, pyraclostrobin active compound 1g, iprodione 20g, dispersant are wooden sodium sulfonate 10g, antifreezing agent For ethylene glycol 2g, anticaking agent be sodium silicoaluminate 3g, suspending agent is xanthans 0.2g, film forming agent is polyvinyl alcohol 8g, preservative benzene Sodium formate 1.5g, colouring agent are acid scarlet 1g, pH adjusting agent is acetic acid 3g, filler concave convex rod 1g, deionized water are supplied 100g。
Pyraclostrobin, AVM, iprodione, filler, colouring agent, anticaking agent, filler powder material are first added into dress Have after mixing 30min in the homogenizer of deionized water, sequentially add the liquid such as dispersant, film forming agent, antifreezing agent, preservative original Material, 10-15min is remixed, form premix slurry.To premix again in the high-shear emulsifying dispersion machine that extracts of slurry, it is closed, It is fully emulsified under conditions of pressurization, scattered, make premix slurry more uniformly, refinement.Then this slurry is passed through into pipeline and isolation Pump is pumped into ball mill, adds suspending agent, is discharged after grinding 2-3 times.The flowable of magneta colour is finally obtained after sieving, dispensing Suspension liquid, weigh, pack and get product
Finished product prepared by above-mentioned experimental example is respectively provided with that suspensibility is high, not stratified, coating expulsion rate is low, the lasting period is long, preventive effect The characteristics of significant effect.
Embodiment five:35% AVM pyraclostrobin iprodione suspension seed-coating agent
AVM 2.5g, pyraclostrobin active compound 2.5g, iprodione 30g, dispersant are sodium lignin sulfonate 8.5g, prevented Jelly agent is ethylene glycol 2.5g, anticaking agent is sodium silicoaluminate 1g, suspending agent is xanthans 0.2g, film forming agent is polyvinyl alcohol 6g, anti- Rotten agent sodium benzoate 1.5g, colouring agent are acid scarlet 1g, pH adjusting agent is acetic acid 0.1g, filler concave convex rod 5g, deionized water Supply 100g.
AVM, iprodione, pyraclostrobin, filler, colouring agent, anticaking agent, filler powder material are first added into dress Have after mixing 30min in the homogenizer of deionized water, sequentially add the liquid such as dispersant, film forming agent, antifreezing agent, preservative original Material, 10-15min is remixed, form premix slurry.To premix again in the high-shear emulsifying dispersion machine that extracts of slurry, it is closed, It is fully emulsified under conditions of pressurization, scattered, make premix slurry more uniformly, refinement.Then this slurry is passed through into pipeline and isolation Pump is pumped into ball mill, adds suspending agent, is discharged after grinding 2-3 times.The flowable of magneta colour is finally obtained after sieving, dispensing Suspension liquid, weigh, pack and get product.
Embodiment six:52.5% AVM pyraclostrobin iprodione suspension seed-coating agent
AVM 1.5g, pyraclostrobin active compound 1g, iprodione 50g, dispersant are sodium lignin sulfonate 9g, antifreezing agent For ethylene glycol 2.5g, anticaking agent be sodium silicoaluminate 1g, suspending agent is xanthans 0.2g, film forming agent is polyvinyl alcohol 6g, preservative Sodium benzoate 1.5g, colouring agent are acid scarlet 1g, pH adjusting agent is acetic acid 0.1g, filler concave convex rod 5g, deionized water are supplied To 100g.
AVM, iprodione, pyraclostrobin, filler, colouring agent, anticaking agent, filler powder material are first added into dress Have after mixing 30min in the homogenizer of deionized water, sequentially add the liquid such as dispersant, film forming agent, antifreezing agent, preservative original Material, 10-15min is remixed, form premix slurry.To premix again in the high-shear emulsifying dispersion machine that extracts of slurry, it is closed, It is fully emulsified under conditions of pressurization, scattered, make premix slurry more uniformly, refinement.Then this slurry is passed through into pipeline and isolation Pump is pumped into ball mill, adds suspending agent, is discharged after grinding 2-3 times.The flowable of magneta colour is finally obtained after sieving, dispensing Suspension liquid, weigh, pack and get product.
Embodiment seven:Co-toxicity coefficient determines
Root rot is by straight beak fusarium Fusarium orthoceras Appel.EtWollenweber and founds withered silk Caused by pyrenomycetes Rhizoctonia solani Kuhn.This experiment is using Rhizoctonia solani Kuhn as research object.Under greenhouse experiment, Using pot-culture method, research AVM, iprodione, the processing of pyraclostrobin ternary built product seed pelleting are to soybean Security and the effect to root rot, the reasonability for AVM, iprodione, pyraclostrobin ternary built provide Scientific basis.
The iprodione active compound (Huifeng Agricultural Chemistry Co., Ltd., Jiangsu) of reagent agent 96%;
95% the former medicine of AVM (Jiangsu lark agrochemical Co., Ltd);
98% pyraclostrobin active compound (Huifeng Agricultural Chemistry Co., Ltd., Jiangsu).
For trying pathogen:Rhizoctonia solani Kuhn Rhizoctonia solani Kuhn, by plant protection system of Agricultural University Of Anhui plant Pathology Lab provides.
Iprodione dilution is configured to 60,30,15,7.5,5 series concentrations of 3.75mg/kg;Pyraclostrobin dilution is matched somebody with somebody Be made 60,30,15,7.5,5 series concentrations of 3.75mg/kg;5 kinds of mixture preparation iprodiones (A):Pyraclostrobin (B) is dilute Release and be configured to 60,30,15,7.5,5 series concentrations of 3.75mg/kg.
Iprodione and the optimum proportioning of pyraclostrobin preventing and treating Rhizoctonia solani Kuhn are screened in this experiment first, in this optimum proportioning On the basis of, further carry out recipe determination with AVM.
Synergy type of the result of the test with Sun Yunpei co-toxicity coefficient method evaluation after mixed, according to SUN, Y-P (Sun Yun It is abundant) method calculates its actual toxicity index, mixture theoretical toxicity index, co-toxicity coefficient.
Actual toxicity index=standard agent LD50The LD of/mixture50×100
Theoretical toxicity index=∑ (percentage of the medicament active ingredient of the toxicity index of reagent agent × in mixture)
Actual toxicity index/theoretical toxicity index × 100 of co-toxicity coefficient=mixture
Using iprodione as standard agent in experiment, criterion:Co-toxicity coefficient<80 be antagonism, between 80-120 For summation action,>120 be synergistic effect.
According to above method, each single dose and iprodione, the LC of pyraclostrobin difference mixture processing are obtained50, and calculate reality Coefficient is spent in border toxicity index and theoretical toxicity index, calculating together.It is as shown in the table:
A diameter of 9cm sterilizing culture dish is taken, 20mlPDA culture mediums is each poured into respectively, Rhizoctonia solani Kuhn is taken after condensation Each fritter of the fresh-keeping strain of bacterium is respectively put among culture dish, is placed under 28 DEG C of constant temperatures and is cultivated, treats that mycelia covers with culture dish It is standby during edge.
The decoction prepared is put in sterilizing culture dish with sterilizing pipette, extract 1ml, then inhaled with 10ml pipettes The culture medium for taking 9ml to dissolve is put into ware to be mixed immediately, and 3 repetitions are set per concentration, to be not added with decoction as control.With a diameter of 5cm stainless steel card punch, which is beaten, takes cultured confession examination germ, with oese picking, is put into the mixed medicine culture medium cooled down The heart, it is placed at 28 DEG C and cultivates a couple of days.
To compare mycelia, length is defined to the edge of ware soon, periodic measurement colony diameter, calculates each concentration colony diameter and is averaged Value, is represented with straight length, obtains suppression percentage.Then with log concentration --- suppress percentage probit value and obtain recurrence directly Line equation.EC50 values are obtained according to equation, compare virulence size, and each mixture co-toxicity coefficient is determined by EC50 values.According to poison 4 power index, theoretical toxicity index, actual toxicity index, co-toxicity coefficient indexs observe it result and carry out systematic analysis technique.
The synergy of iprodione and pyraclostrobin Rhizoctonia solani
Iprodione active compound, pyraclostrobin active compound and 5 iprodiones and pyraclostrobin mixture preparation are used into acetone respectively Dissolving, diluted with the 0.1% Tween 80 aqueous solution, set 5 dosage respectively, separately set blank control, each test process is repeated 4 times. Treatment agent dosage refers to table 1.
The test process of table 1 and test level (concentration mg/L)
Iprodione pyraclostrobin mixture, the former medicine of AVM and 5 mixture preparations are used into acetone solution respectively, used The 0.1% Tween 80 aqueous solution dilutes, and sets 5 dosage respectively, separately sets blank control, each test process is repeated 4 times.Treatment agent Dosage refers to table 2.
The test process of table 2 and test level (mg/kg)
The inhibitory action of iprodione and pyraclostrobin mixture Rhizoctonia solani
The inhibitory action of the iprodione of table 3 and Rhizoctonia solani after pyraclostrobin mixture medicine
Prevention effect is the average value of four data in table.
As shown in Table 3:The inhibitory action and preventive effect of medicament Rhizoctonia solani.Its respective virulence is calculated by formula to return Return equation, LD50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.It is listed in table 4.
Table 4:The synergy of iprodione and pyraclostrobin mixture Rhizoctonia solani
As shown in Table 4, processing C, D, E, F, G co-toxicity coefficient is respectively:199.84、222.20、226.74、161.191、 104.11, wherein C, D, E, F co-toxicity coefficient is more than 120, has synergistic effect, particularly handles E co-toxicity coefficient value 226.74 is maximum, has notable synergistic effect.
The synergy of iprodione pyraclostrobin optimum proportioning and AVM
Table 5:The inhibitory action of iprodione pyraclostrobin optimum proportioning and AVM Rhizoctonia solani
As shown in Table 5:The inhibitory action and preventive effect of medicament Rhizoctonia solani.Its respective virulence is calculated by formula to return Return equation, LD50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.It is listed in table 6.
The synergy of the iprodione pyraclostrobin optimum proportioning of table 6 and AVM Rhizoctonia solani
As shown in Table 6, processing C, D, E, F, G co-toxicity coefficient is respectively:113.71、132.36、185.37、158.00、 136.46, wherein processing D, E, F, G co-toxicity coefficient is all higher than 120, there is synergistic effect, particularly handle E co-toxicity coefficient value 185.37 is maximum, has notable synergistic effect.
By experiment, iprodione presses 50-20 with pyraclostrobin:1-3.5 ratio mixture Rhizoctonia solanis have Synergistic effect;The optimum proportioning of iprodione and pyraclostrobin presses 32.5 with AVM:1.5-4.5 mixtures, to miliary damping-off Bacterium is respectively provided with synergistic effect, wherein iprodione:Pyraclostrobin:AVM presses 30:2.5:During 2.5 ratio mixture, opposition is withered Rhizoctonia synergistic effect is most strong.
Prevention effect of the iprodione pyraclostrobin with AVM mixture to soybean cyst nematode Heterodera glycines
The iprodione pyraclostrobin of table 7 prevention effect (initial data) to soybean cyst nematode Heterodera glycines mixed with AVM
Table 8:The iprodione pyraclostrobin prevention effect to soybean cyst nematode Heterodera glycines mixed with AVM
As shown in Table 8:Inhibitory action and preventive effect of the medicament to soybean cyst nematode Heterodera glycines.Its respective virulence is calculated by formula Regression equation, LD50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.It is listed in table 9.
The iprodione pyraclostrobin optimum proportioning of table 9 and synergy of the AVM to soybean cyst nematode Heterodera glycines
As shown in Table 9, processing C, D, E, F, G co-toxicity coefficient is respectively:385.11、462.29、524.00、424.14、 364.91, co-toxicity coefficient is all higher than 120, has notable synergistic effect, particularly handles the E maximum of co-toxicity coefficient value 524.00, Synergistic effect is the most notable.
Experimental example eight:Field control effectiveness test
Delay with 15% AVM pyraclostrobin iprodione our Shucheng County, Anhui Province Baima on June 10th, 2016 Suspension seed-coating agent reagent agent is 15% AVM, iprodione and pyraclostrobin suspension seed-coating agent (Anhui in embodiment two Feng Le agrochemical limited liability company system's agent development centre provides) carry out rice coating experiment.For examination rice varieties for " crystalline substance two is excellent 534”。
Experiment sets 5 processing altogether, wherein:
Processing 1:It is not coated, as blank control (CK1);
Processing 2:15% AVM pyraclostrobin iprodione suspension seed-coating agent;
Processing 3:5% AVM SC dresses seed;
Processing 4:255 g/l of iprodione suspending agent seed soaking, liquor strength is 60 ㎎/kg;
Processing 5:18% pyraclostrobin suspension seed-coating agent is coated.
Arranged using random district's groups, 3 repetitions, plot area 2m2.Every group of seed number is equal, respectively plants 200 seed rice.
In rice seedling, investigate withered death rate, the not downright bad withered rate of seedling seedling and downgrade inhibiting rate:
Seedling blight preventive effect (%)=[seedling in (the withered rate of seedling of the withered rate of seedling in control field-seed coat agent processing)/control field is withered Rate] × 100
Dwarfing inhibiting rate (%)=[(the average plant height in control field-the average plant height of seed coat agent processing)/and control field is averaged Plant height] × 100
In rice Adult plant, the root rot incidence of disease is investigated, and is classified investigation rice bacterial leaf spot, slice disease, banded sclerotial blight, rice straw The disease index and Adult plant diseases control of maize ear rot, it is specific as follows:
The incidence of disease (%)=(morbidity strain number/investigation total strain number) × 100
Disease index=Σ [(diseased plant numbers at different levels × typical value at different levels)/(investigation total strain number × highest typical value)] × 100
Adult plant diseases control (%)=[(incidence of disease (disease refers to) of the control incidence of disease (disease refers to)-seed coat agent processing)/control The incidence of disease (disease refers to))] × 100
Table 10:Preventive effect of the different seed coat agent Rice seeds treateds to rice seedling damping-off
Preventive effect of the different seed coat agent Rice seeds treateds of table 11 to rice seedling rice thripses
The 15% AVM pyraclostrobin pyraclostrobin of the present invention hangs it can be seen from upper table experimental result After floating seed coat agent Cotton seeds rice paddy seed, its sick seedling rate and worm seedling rate are significantly less than blank control, to rice seedling blight Preventive effect 85.71~97.62%, rice thripses preventive effect 90.20%~98.04%, can prevent and treat simultaneously rice seedling stand it is withered The harm of disease and rice thripses.
Experimental example nine:Field control effectiveness test
Test and carried out in 2016 in Xiuzhou City, Anhui Province Yongan town.It is " Anhui beans 33 ", reagent agent for examination soybean varieties For 35% AVM, pyraclostrobin and iprodione suspension seed-coating agent (AVM in embodiment five:Pyraclostrobin:It is different Bacterium urea=2.5:2.5:30, Anhui Fengle Agricultural Co., Ltd's formulation development center provides).
5 processing are set altogether, wherein:
Processing 1:It is not coated, as blank control (CK1);
Processing 2:35% AVM pyraclostrobin iprodione suspension seed-coating agent;
Processing 3:5% AVM SC dresses seed;
Processing 4:255 g/l of iprodione suspending agent seed soaking, liquor strength is 400 ㎎/kg;
Processing 5:18% pyraclostrobin suspension seed-coating agent is coated.
Arranged using random district's groups, 3 repetitions, plot area 2m2.Every group of seed number is equal, respectively plants 200 wheat seeds.
In soybean seedling, investigate withered death rate, the not downright bad withered rate of seedling seedling and downgrade inhibiting rate:
Seedling stage root rot preventive effect (%)=[seedling in (the withered rate of seedling of the withered rate of seedling in control field-seed coat agent processing)/control field is withered Rate] × 100
Dwarfing inhibiting rate (%)=[(the average plant height in control field-the average plant height of seed coat agent processing)/and control field is averaged Plant height] × 100
In soybean Adult plant, the root rot incidence of disease is investigated, and is classified the disease index and Adult plant disease of investigation root rot Preventive effect, it is specific as follows:
The incidence of disease (%)=(morbidity strain number/investigation total strain number) × 100
Disease index=Σ [(diseased plant numbers at different levels × typical value at different levels)/(investigation total strain number × highest typical value)] × 100
Adult plant diseases control (%)={ [incidence of disease (disease refers to) of the control incidence of disease (disease refers to)-seed coat agent processing]/control The incidence of disease (disease refers to) } × 100
Preventive effect of the different seed coat agent processed soybeans seeds of table 12 to root rot
Preventive effect of the different seed coat agent processed soybeans seeds of table 13 to soybean cyst nematode Heterodera glycines
The 30% AVM pyraclostrobin iprodione suspension kind of the present invention it can be seen from upper table experimental result After clothing agent Cotton seeds soya seeds, its sick seedling rate significantly less than blank control, to the preventive effect of root rot 86.89~ 97.78%th, the preventive effect of soybean cyst nematode can prevent and treat root rot and soybean cyst simultaneously 93.59%~100% The harm of nematodiasis.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (6)

  1. A kind of 1. suspension seed-coating agent containing AVM, pyraclostrobin and iprodione, it is characterised in that:The suspension seed-coating agent It is made up of effective ingredient and auxiliary ingredients, wherein effective ingredient is AVM, pyraclostrobin and iprodione, the AVM hereinafter The mass ratio of rhzomorph, pyraclostrobin and iprodione is 1~5: 1~5:50~10.
  2. 2. the suspension seed-coating agent according to claim 1, it is characterised in that:The AVM, pyraclostrobin and different bacterium The mass ratio of urea is 1.5~4.5: 1~3.5:50~20.
  3. 3. the suspension seed-coating agent according to claim 2, it is characterised in that:The AVM, pyraclostrobin and different bacterium The mass ratio of urea is 2.5: 2.5:30.
  4. 4. the suspension seed-coating agent according to claim 1, it is characterised in that:The auxiliary ingredients by following components by weight Part is prepared:2~50 parts of dispersant;1~5 part of antifreezing agent;0.1~4 part of anticaking agent;0.1~6 part of suspending agent;Film forming agent 0.1 ~3 parts;0.1~3 part of mould inhibitor;0.1~5 part of pH adjusting agent;0.5~5 part of colouring agent;1~10 part of filler;Deionized water 10 ~80 parts.
  5. 5. suspension seed-coating agent according to claim 4, it is characterised in that:Described dispersant is selected from phosphate, lignin Sulfonate, benzenesulfonates, APES methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalenesulfonateformaldehyde formaldehyde Condensation product sodium salt, APES, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, fatty acid glyceride gather At least one of oxygen vinethene;
    Described antifreezing agent is the one or more in ethylene glycol, propane diols, glycerine, polyethylene glycol, sorbierite, urea;
    Described anticaking agent is at least one of sodium silicoaluminate, tricalcium phosphate, silica;
    Described suspending agent is white carbon or xanthans;
    Described film forming agent is at least one of polyvinyl alcohol, polyvinyl acetate or modified starch;
    Described mould inhibitor is one kind in BIT, sodium benzoate, sorbic acid and polyhydroxy benzenes formic acid propyl propionate It is or a variety of;
    Described pH adjusting agent is sodium hydroxide, ammoniacal liquor, acetic acid, hydrochloric acid, citric acid or phosphoric acid;
    The colouring agent is acid red as fire or Acid Red B;
    The one kind or more of described filler in kaolin, diatomite, bentonite, attapulgite, starch, precipitated calcium carbonate Kind.
  6. 6. according to the suspension seed-coating agent described in claim any one of 1-5, it is characterised in that:Described suspension seed-coating agent is mainly used Seed in soybean, peanut, wheat, rice, corn, sorghum, fruit tree, forest and flower nursery is coated seed dressing before planting.
CN201711005588.XA 2017-10-24 2017-10-24 A kind of suspension seed-coating agent containing AVM, pyraclostrobin and iprodione Withdrawn CN107549189A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112450221A (en) * 2020-12-03 2021-03-09 广西大学 Composition for preventing and treating plant parasitic nematodes and application thereof

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CN1518876A (en) * 2003-01-23 2004-08-11 王玉万 Bactericide and insecticide in agricultural use containing albendazole sulfoxide and its salt
CN104782649A (en) * 2015-04-24 2015-07-22 安徽丰乐农化有限责任公司 Pyraclostrobin, ningnanmycin and imidacloprid-containing flowable concentrate for seed coating and preparation method thereof
CN106359398A (en) * 2016-08-31 2017-02-01 山东润博生物科技有限公司 Suspended seed coating and preparation method and application thereof
CN106489938A (en) * 2016-08-30 2017-03-15 江西天人生态股份有限公司 A kind of seed coat agent and its preparation method and application
CN106508948A (en) * 2016-10-27 2017-03-22 山东润博生物科技有限公司 Suspended seed coating agent containing abamectin and clothianidin and application of suspended seed coating agent

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Publication number Priority date Publication date Assignee Title
CN1518876A (en) * 2003-01-23 2004-08-11 王玉万 Bactericide and insecticide in agricultural use containing albendazole sulfoxide and its salt
CN104782649A (en) * 2015-04-24 2015-07-22 安徽丰乐农化有限责任公司 Pyraclostrobin, ningnanmycin and imidacloprid-containing flowable concentrate for seed coating and preparation method thereof
CN106489938A (en) * 2016-08-30 2017-03-15 江西天人生态股份有限公司 A kind of seed coat agent and its preparation method and application
CN106359398A (en) * 2016-08-31 2017-02-01 山东润博生物科技有限公司 Suspended seed coating and preparation method and application thereof
CN106508948A (en) * 2016-10-27 2017-03-22 山东润博生物科技有限公司 Suspended seed coating agent containing abamectin and clothianidin and application of suspended seed coating agent

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Publication number Priority date Publication date Assignee Title
CN112450221A (en) * 2020-12-03 2021-03-09 广西大学 Composition for preventing and treating plant parasitic nematodes and application thereof

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Application publication date: 20180109