CN104782649B - Pyraclostrobin, ningnanmycin and imidacloprid-containing flowable concentrate for seed coating and preparation method thereof - Google Patents

Pyraclostrobin, ningnanmycin and imidacloprid-containing flowable concentrate for seed coating and preparation method thereof Download PDF

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CN104782649B
CN104782649B CN201510201220.5A CN201510201220A CN104782649B CN 104782649 B CN104782649 B CN 104782649B CN 201510201220 A CN201510201220 A CN 201510201220A CN 104782649 B CN104782649 B CN 104782649B
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ningnanmycin
agent
pyraclostrobin
imidacloprid
seed
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CN104782649A (en
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龚国斌
吴永虎
缪莉
王毅
贾增坡
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Anhui Fengle Agrochemical Co Ltd
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Abstract

The invention relates to a pyraclostrobin, ningnanmycin and imidacloprid-containing flowable concentrate for seed coating and a preparation method thereof. The flowable concentrate for seed coating comprises an active ingredient and auxiliary ingredients, wherein the active ingredient is formed by compounding pyraclostrobin, ningnanmycin and imidacloprid; the mass ratio of the pyraclostrobin to the ningnanmycin to the imidacloprid is (1-80): (1-80): (1-80). According to the flowable concentrate for seed coating, the pyraclostrobin, the ningnanmycin and the imidacloprid are compounded according to a certain proportion; as the pyraclostrobin, the ningnanmycin and the imidacloprid have systemicity, the flowable concentrate for seed coating has good compatibility, is capable of killing diseases and pests, has good pesticide effects for the underground and overground germs and pests, and can be used for effectively preventing and treating the plant diseases such soybean root rot disease and rice stem rot disease and the pests such as aphids, thrips and trialeurodes vaporariorum at the seedling stage of the crops; moreover, the flowable concentrate for seed coating is capable of inducing the plants to generate resistance and disease tolerance for the intrusive viruses so as to well solve the problems in practical production and save the time and labor; compared with the other drug delivery technologies, the flowable concentrate for seed coating is relatively less in pollution.

Description

A kind of suspension seed-coating agent containing pyraclostrobin, Ningnanmycin and imidacloprid and its Preparation method
Technical field
The present invention relates to chemical pesticide field, and in particular to a kind of containing pyraclostrobin, Ningnanmycin and imidacloprid Suspension seed-coating agent and preparation method thereof.
Background technology
In agricultural production, due to the pathogen entrained by seeds self, the pathogen in soil, seedling stage it is 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, becomes a major limitation of agricultural production The factor.In the past people had not only wasted seed but also can not eliminate disease to keep a full stand of seedings by the method for increasing application rate, but this measure Evil.Arise at the historic moment in the face of these problem seed processing technologies, show the advantage of uniqueness.The seed treatment of broad sense is referred in agriculture Ensure that germination is neat, seedling production is healthy and strong or accelerates it to develop, and makes crop to improve seed seeding quality in industry production 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, in case disease pest Evil, therefore before the sowing of pesticide crop, different process are carried out to seed, with economical, the letter of integrated control Crop Species seedling diseases insect pest Just, effective method.At present chemical method processes the most popular method that seed is the prevention and control of plant diseases, pest control.
Therefore, in order to adapt to the actual requirement of agricultural production, a kind of applied range, preventive effect are high and low toxic and environment-friendly type 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 test is done between the high-efficiency environment friendly pesticide of the mechanism of action, to improve the single dose problem that preventive effect declines in actual production, After many experiments, a kind of new Fungicidal insecticidal composition suspended seed coating agent prescription, its principle active component are proposed finally For pyraclostrobin, Ningnanmycin and imidacloprid, three has absorbability, with the good compatibility, accomplishes disease pest double play, ground The pathogenic bacteria insect of lower ground has good drug effect, and inducible plant pair intrusive viruses produces resistance and tolerance to diseases, can Solve the problems, such as to be run in above actual production well, time and labour saving, the less pollution compared with other pesticide application technologies, and to mesh Before till, Jing preliminary searches find:Only both the composite bactericide stem and leaf sprayings of pyraclostrobin, Ningnanmycin, no kind The relevant report of clothing agent, the related report for also not having the seed coat agent with pyraclostrobin, Ningnanmycin to imidacloprid as effective ingredient Road.
The content of the invention
It is an object of the invention to provide the environmental protection of a kind of applied range, high-efficiency low-toxicity for process seed contains pyrrole The suspension seed-coating agent of azoles kresoxim-methyl, to solve a large amount of pest and disease damages run in producing at present without the obvious medicament of preventive effect, uses into This height, the problems such as seriously polluted.
This seed coat agent is a kind of water base property suspension seed-coating agent being prepared from using corresponding suspending agent processing technique.Can use Seed in Semen sojae atricolor, Semen arachidis hypogaeae, Cotton Gossypii, Semen Tritici aestivi, Oryza sativa L., Semen Maydiss, Sorghum vulgare Pers., fruit tree, forest and flower nursery is coated, preferably to prevent Control the droop of cereal crop, damping-off, verticillium wilt, damping off, banded sclerotial blight, seedling rot, sclerotiniose, epidemic disease, dry rot, black Star disease, sclerotium soft rot, seedling blight, stem wilt, leaf blight, macerate root, continuous cropping continuous cropping obstacle and have specially good effect, can induce plant pair invasion Virus produces resistance and tolerance to diseases and to insect, and such as aphid, leafhopper, thrips, trialeurodes vaporariorum and colorado potato bug and frit fly has Significant prevention effect, and with the effect for promoting crop root growth development, strong plantlets and rootage to improve survival rate.
Not all compound compounding all has the compatibility, can be prepared into the formulations of pesticide required on pesticide, I Company research staff constantly does the experimental formula screening of dosage form by substantial amounts of experimentation, proposes finally a kind of new Composition pesticide suspension seed-coating agent.
Technical scheme is as follows:
A kind of suspension seed-coating agent containing pyraclostrobin, Ningnanmycin and imidacloprid, the seed coat agent by active ingredient and Auxiliary ingredients are constituted, and the active ingredient is pyraclostrobin, Ningnanmycin and imidacloprid ternary built, wherein pyrazoles ether bacterium The mass ratio of ester, Ningnanmycin and imidacloprid is 1~80: 1~80:1~80.
Further scheme, the mass ratio of the pyraclostrobin, Ningnanmycin and imidacloprid is 5~20: 1~5:3~10.
Further scheme, the mass ratio of the pyraclostrobin, Ningnanmycin and imidacloprid is 7~12: 1~2:4~ 7。
Further scheme, the auxiliary ingredients are prepared from by weight by following components:
2~50 parts of dispersant;1~5 part of antifreezing agent;0.1~4 part of anticaking agents;0.1~6 part of suspending agent;Film former 0.1~3 Part;0.1~3 part of antifungus agent;0.1~5 part of PH regulators;0.5~5 part of coloring agent;1~10 part of filler;Deionized water 10~80 Part.
Further scheme, described dispersant gathers selected from phosphate ester, lignosulfonates, benzenesulfonates, alkyl phenol Oxygen vinyl Ether methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy Ether, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, at least one in glycerine fatty acid ester APEO;
Described antifreezing agent is one or more in ethylene glycol, Propylene Glycol, glycerol, Polyethylene Glycol, Sorbitol, urea;
Described anticaking agents are at least one of sodium aluminosilicate, tricalcium phosphate, silicon dioxide;
Described suspending agent is white carbon or xanthan gum;
Described film former is at least one of polyvinyl alcohol, polyvinyl acetate or modified starch;
Described antifungus agent is in BIT, sodium benzoate, sorbic acid and polyhydroxy benzenes formic acid propyl propionate One or more;
Described PH regulators are sodium hydroxide, ammonia, acetic acid, hydrochloric acid, citric acid or phosphoric acid;
The coloring agent is acid red as fire or Acid Red B;
One kind in Kaolin, kieselguhr, bentonite, attapulgite, starch, the precipitated calcium carbonate of described filler or It is various.
The suspension seed-coating agent of the present invention is mainly used in Semen sojae atricolor, Semen arachidis hypogaeae, Semen Tritici aestivi, Oryza sativa L., Semen Maydiss, Sorghum vulgare Pers., fruit tree, forest and flower The seed in garden is coated before planting seed dressing, withers so as to the preferably droop of preventing and treating cereal crop, damping-off, Huang Disease, damping off, banded sclerotial blight, seedling rot, sclerotiniose, epidemic disease, dry rot, scab, sclerotium soft rot, seedling blight, stem wilt, leaf Rot, macerate root, continuous cropping continuous cropping obstacle and have specially good effect, and also have certain effect to virosiss, and to insect, such as aphid, leafhopper, Thrips, trialeurodes vaporariorum and colorado potato bug and frit fly have significant prevention effect, also develop with promotion crop root growth, Strong plantlets and rootage improves the effect of survival rate.
Another goal of the invention of the present invention is to provide the preparation method of above-mentioned suspension seed-coating agent, in high-shear emulsifying dispersion In machine, by proportioning add imidacloprid, pyraclostrobin, Ningnanmycin, dispersant, antifreezing agent, anticaking agents, film former, antifungus agent, Coloring agent, filler, PH regulators and deionized water are supplied, stirring while adding uniform, and mixed liquor is disperseed 30 minutes in average, then The at the uniform velocity even amount of above-mentioned mixed liquor is added into ball milling 1.5-3 hours in ball mill, the aqueous solution regulation that suspending agent is made into is eventually adding Viscosity, discharges 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, dampings 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 specially good effect, and to insect, such as aphid, leafhopper, thrips, trialeurodes vaporariorum and colorado potato bug and frit fly all There is significant prevention effect, belong to the seed coat agent of pesticide-germicide compounding, seed can be significantly improved and sprouted to the pest-resistant of Seedling Stage Resistances against diseases, and with the effect for promoting crop root growth development, strong plantlets and rootage to improve survival rate.
Beneficial effects of the present invention:
1st, the present invention is according to a certain ratio compounded pyraclostrobin, Ningnanmycin and imidacloprid, because three has Absorbability, with the good compatibility, accomplishes disease pest double play, and the pathogenic bacteria insect to underground, ground has good drug effect;Can The plant diseases such as root rot, rice seedling blight are effectively prevented and treated, the evil such as crops seedling stage aphid, thrips, trialeurodes vaporariorum can be also prevented and treated Worm.
2nd, the inducible plant pair intrusive viruses of seed coat agent of the invention produces resistance and tolerance to diseases, can be good at solving with The problem run in upper actual production, time and labour saving, the less pollution compared with other pesticide application technologies.
3rd, seed coat agent applied range of the invention, preventive effect height and low toxic and environment-friendly.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, present invention specific examples below Illustrate, but the present invention is limited to absolutely not these examples.Described below is only the present invention preferably embodiment, is used only for explaining The present invention, therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that all spirit in the present invention With any modification, equivalent and the improvement made within principle etc., should be included within the scope of the present invention.Cause This, the protection domain of patent of the present invention should be defined by appended claims.
Embodiment one:9% pyraclostrobin, Ningnanmycin, imidacloprid suspension seed-coating agent
Pyraclostrobin 5g, Ningnanmycin 1g, imidacloprid 3g;Dispersant sodium lignin sulfonate 8g, antifreeze glycol 2g, Anticaking agents sodium aluminosilicate 3g, suspending agent white carbon 4g, film former polyvinyl alcohol 5g, preservative sodium benzoate 2g, coloring agent are acid Bright red 1g, pH adjusting agent acetic acid 1g, filler Kaolin 2g, deionized water supply 100g.
First above-mentioned pyraclostrobin, Ningnanmycin, imidacloprid, filler, coloring agent, anticaking agents, filler powder material are added Enter in the homogenizer equipped with deionized water and mix after 30min, sequentially add the liquid such as dispersant, film former, antifreezing agent, preservative Raw material, remixes 10-15min, forms premix slurry.In premix slurry is extracted high-shear emulsifying dispersion machine again, close Close, pressurize under conditions of fully emulsified, dispersion, make that premix slurry is more uniform, refinement.Then by this slurry by pipeline and every Pump in ball mill from pump, add suspending agent, discharging after grinding 2-3 time.Eventually pass and flowing for magneta colour is obtained after sieve, subpackage Dynamic suspension liquid, weighs, packs and get product.
Embodiment two:12% pyraclostrobin, Ningnanmycin, imidacloprid suspension seed-coating agent
Pyraclostrobin 6g, Ningnanmycin 1g, imidacloprid active compound 5g, dispersant are sodium lignin sulfonate 8g, antifreezing agent is Ethylene glycol 2g, anticaking agents are sodium aluminosilicate 2g, suspending agent is xanthan gum 0.15g, film former is polyvinyl alcohol 5g, preservative benzene first Sour sodium 1g, coloring agent are acid scarlet 1g, pH adjusting agent is acetic acid 5g, filler Kaolin 2g, kieselguhr 8g, deionized water are supplied To 100g.
First above-mentioned pyraclostrobin, Ningnanmycin, imidacloprid, filler, coloring agent, anticaking agents, filler powder material are added Enter in the homogenizer equipped with deionized water and mix after 30min, sequentially add the liquid such as dispersant, film former, antifreezing agent, preservative Raw material, remixes 10-15min, forms premix slurry.In premix slurry is extracted high-shear emulsifying dispersion machine again, close Close, pressurize under conditions of fully emulsified, dispersion, make that premix slurry is more uniform, refinement.Then by this slurry by pipeline and every Pump in ball mill from pump, add suspending agent, discharging after grinding 2-3 time.Eventually pass and flowing for magneta colour is obtained after sieve, subpackage Dynamic suspension liquid, weighs, packs and get product.
Embodiment three:15% pyraclostrobin, Ningnanmycin, imidacloprid suspension seed-coating agent
Pyraclostrobin 10g, Ningnanmycin 1g, imidacloprid active compound 4g, dispersant are sodium lignin sulfonate 8.5g, antifreezing agent For ethylene glycol 2.5g, anticaking agents be sodium aluminosilicate 1g, suspending agent be xanthan gum 0.2g, film former be polyvinyl alcohol 6g, preservative Sodium benzoate 1.5g, coloring agent are acid scarlet 1g, pH adjusting agent is acetic acid 0.1g, filler attapulgite 5g, deionized water are supplied To 100g.
First pyraclostrobin, Ningnanmycin, imidacloprid, filler, coloring agent, anticaking agents, filler powder material are added into dress Have in the homogenizer of deionized water and mix after 30min, sequentially add the liquid such as dispersant, film former, antifreezing agent, preservative former Material, remixes 10-15min, forms premix slurry.Again will in the premix high-shear emulsifying dispersion machine that extracts of slurry, it is closed, Fully emulsified under conditions of pressurization, dispersion, makes that premix slurry is more uniform, refinement.Then by this slurry by pipeline and isolation Pump is pumped in ball mill, adds suspending agent, discharging after grinding 2-3 time.Eventually pass and the flowable of magneta colour is obtained after sieve, subpackage Suspension liquid, weigh, pack and get product.
Example IV:18% pyraclostrobin, Ningnanmycin, imidacloprid suspension seed-coating agent
Pyraclostrobin 12g, Ningnanmycin 2g, imidacloprid active compound 4g, dispersant are sodium lignin sulfonate 8g, antifreezing agent is Ethylene glycol 2g, anticaking agents are sodium aluminosilicate 2g, suspending agent is xanthan gum 0.15g, film former is polyvinyl alcohol 6g, preservative benzene first Sour sodium 1g, coloring agent are acid scarlet 1g, pH adjusting agent is acetic acid 3g, filler attapulgite 1g, deionized water supply 100g.
First pyraclostrobin, Ningnanmycin, imidacloprid, filler, coloring agent, anticaking agents, filler powder material are added into dress Have in the homogenizer of deionized water and mix after 30min, sequentially add the liquid such as dispersant, film former, antifreezing agent, preservative former Material, remixes 10-15min, forms premix slurry.Again will in the premix high-shear emulsifying dispersion machine that extracts of slurry, it is closed, Fully emulsified under conditions of pressurization, dispersion, makes that premix slurry is more uniform, refinement.Then by this slurry by pipeline and isolation Pump is pumped in ball mill, adds suspending agent, discharging after grinding 2-3 time.Eventually pass and the flowable of magneta colour is obtained after sieve, subpackage Suspension liquid, weigh, pack and get product.
Embodiment five:21% pyraclostrobin, Ningnanmycin imidacloprid suspension seed-coating agent
Pyraclostrobin 12g, Ningnanmycin 2g, imidacloprid active compound 7g, dispersant are wooden sodium sulfonate 10g, antifreezing agent is Ethylene glycol 2g, anticaking agents are sodium aluminosilicate 3g, suspending agent is xanthan gum 0.2g, film former is polyvinyl alcohol 8g, preservative benzene first Sour sodium 1.5g, coloring agent are acid scarlet 1g, pH adjusting agent is acetic acid 3g, filler attapulgite 1g, deionized water supply 100g.
First imidacloprid, pyraclostrobin, Ningnanmycin, filler, coloring agent, anticaking agents, filler powder material are added into dress Have in the homogenizer of deionized water and mix after 30min, sequentially add the liquid such as dispersant, film former, antifreezing agent, preservative former Material, remixes 10-15min, forms premix slurry.Again will in the premix high-shear emulsifying dispersion machine that extracts of slurry, it is closed, Fully emulsified under conditions of pressurization, dispersion, makes that premix slurry is more uniform, refinement.Then by this slurry by pipeline and isolation Pump is pumped in ball mill, adds suspending agent, discharging after grinding 2-3 time.Eventually pass and the flowable of magneta colour is obtained after sieve, subpackage 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, lasting period length, preventive effect The characteristics of effect is significant.
Embodiment six:Co-toxicity coefficient is determined
Under greenhouse experiment, using pot-culture method, research pyraclostrobin, Ningnanmycin, imidacloprid ternary built Safety and the effect of Rhizoctonia solani of the product seed pelleting process to Oryza sativa L., is pyraclostrobin, Ningnanmycin, pyrrole worm The reasonability of quinoline ternary built provides scientific basis.
The Ningnanmycin of reagent agent 40% mother's medicine (Deqiang Biology Co., Ltd.);
97.5% pyraclostrobin active compound (BASF European Co., Ltd);
97% imidacloprid active compound (Jiangsu Yangnong Chemical Group Co., Ltd).
For trying strain Rhizoctonia solani Kuhn (Rhizoctonia solani), by plant protection system of Agricultural University Of Anhui plant pathology reality Room offer is provided.
Pyraclostrobin dilution is configured to into 200,100,50,25,5 series concentrations of 12.5mg/kg;Ningnanmycin is dilute Release and be configured to 120,60,30,15,5 series concentrations of 7.5mg/kg;5 kinds of mixture preparation (pyraclostrobins (A):Ningnanmycin (B) 8 are respectively:0.25,7:0.5,6:1,5:1.5,4:2), dilution be configured to 200,100,50,25,12.5mg/kg5 it is serial Concentration.
This test is screened first pyraclostrobin and three kinds of pathogen for causing rice seedling blight is prevented and treated with Ningnanmycin most Good proportioning, on the basis of this optimum proportioning, further carries out recipe determination with imidacloprid.Pyraclostrobin, Ningnanmycin and its Different ratio see the table below 1,2 to the inhibition percentage and toxicity test result of Fusarium oxysporum:
Synergy type of the result of the test with the co-toxicity coefficient method evaluation of Sun Yunpei 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.With log concentration as X, pest and disease damage preventive effect machine Rate value is Y, seeks regression equation.
Actual toxicity index=standard agent LD50The LD of/mixture50×100
Theoretical toxicity index=∑ the percentage rate of the medicament effective ingredient (toxicity index of reagent agent × in mixture)
Actual toxicity index/theoretical toxicity index × 100 of co-toxicity coefficient=mixture
With pyraclostrobin as standard agent in test, criterion:Co-toxicity coefficient<80 is antagonism, in 80-120 Between be summation action,>120 is potentiation.
According to above method, obtain what the different mixtures of each single dose and pyraclostrobin, Ningnanmycin, imidacloprid were processed LC50, and actual toxicity index and theoretical toxicity index are calculated, calculate co-toxicity coefficient.It is as shown in the table:
The toxicity test result of table 1
Process LC50(mg/L) Actual toxicity index Theoretical toxicity index Co-toxicity coefficient
Pyraclostrobin (A) 117.66 100 / /
Ningnanmycin (B) 69.62 169.00 / /
Imidacloprid (C) / / / /
A:B:C=5:1:3 42.63 276.00 221.07 124.85
A:B:C=6:1:5 24.76 475.20 247.49 192.01
A:B:C=10:1:4 35.23 333.98 195.32 170.99
A:B:C=12:2:4 31.75 370.58 183.27 202.20
A:B:C=12:2:7 23.36 503.68 219.97 228.98
A:B:C=15:3:6 27.85 422.48 193.68 218.13
A:B:C=20:3:7 32.38 363.37 186.28 195.07
A:B:C=20:5:10 25.63 459.07 228.01 201.34
A:B:C=20:5:4 38.55 305.21 158.82 192.18
A:B:C=16:5:8 36.86 319.21 205.74 155.15
From table 1 can, pyraclostrobin, Ningnanmycin and imidacloprid in mass ratio be 5~20: 1~5:3~10 are carried out again After matching somebody with somebody, its co-toxicity coefficient is all higher than 120, so pyraclostrobin has potentiation with Ningnanmycin compounding, wherein with pyrazoles Kresoxim-methyl, Ningnanmycin and imidacloprid are 12 in mass ratio:2:7 co-toxicity coefficients for being compounded are maximum, reach 228.98, have Significant potentiation.
Experimental example seven:Field control effectiveness test
For trying rice varieties for " rich two excellent No. 4 ", reagent agent is that 12% pyraclostrobin, Ningnan are mould in embodiment two Element, imidacloprid suspension seed-coating agent (pyraclostrobin:Ningnanmycin:Imidacloprid=6:1:5, Anhui Feng Le agrochemical Limited Liability is public Department's formulation development center provides).
Test was carried out in 2014 in Feixi County San He towns.5 process are set altogether, wherein:Process 1:Coating, does not make For blank (CK1);
Process 2:12% pyraclostrobin Ningnanmycin imidacloprid suspension seed-coating agent coating;
Process 3:25% pyraclostrobin missible oil coating;
Process 4:8% Ningnanmycin water preparation coating;
Process 5:35% imidacloprid suspension seed-coating agent coating.
Arranged using random district's groups, 3 repetitions, plot area 2m2.Every group of seed number is equal, respectively 200 seed rice of plantation.
In rice seedling, investigate withered death rate, the not downright bad withered rate of seedling Seedling and downgrade suppression ratio:
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 process)/control field is withered Rate " × 100
Dwarfing suppression ratio (%)=" (the average plant height of the average plant height in control field-seed coat agent process)/compare the average of field Plant height " × 100
In Oryza sativa L. Adult plant, root rot sickness rate is investigated, and be classified investigation Oryza sativa L. 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:
Sickness rate (%)=(morbidity strain number/investigation total strain number) × 100
Disease index=" Σ (diseased plant numbers at different levels × representative values at different levels)/(investigation total strain number × superlative degree representative value)] × 100
Adult plant diseases control (%)=" (sickness rate (disease refers to) of control sickness rate (disease refers to)-seed coat agent process)/control Sickness rate (disease refers to)) × 100
Preventive effect of the different seed coat agent Rice seeds treateds of table 2 to rice seedling damping-off
Preventive effect of the different seed coat agent Rice seeds treateds of table 3 to rice seedling rice thripses
The 12% pyraclostrobin Ningnanmycin imidacloprid that can be seen that the present invention by upper table experimental result suspends and plants After clothing agent Cotton seeds rice paddy seed, its sick seedling rate and worm Seedling rate are significantly less than blank, the preventive effect to rice seedling blight 85.71~97.62%, rice thripses preventive effect 90.20%~98.04%, can prevent and treat simultaneously rice seedling damping-off and The harm of rice thripses.
The 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 suspension seed-coating agent containing pyraclostrobin, Ningnanmycin and imidacloprid, it is characterised in that:The seed coat agent is by having Effect composition and auxiliary ingredients are constituted, and the active ingredient is pyraclostrobin, Ningnanmycin and imidacloprid ternary built, wherein pyrrole The mass ratio of azoles kresoxim-methyl, Ningnanmycin and imidacloprid is 5~20: 1~5:3~10.
2. suspension seed-coating agent according to claim 1, it is characterised in that:The pyraclostrobin, Ningnanmycin and pyrrole worm The mass ratio of quinoline is 7~12: 1~2:4~7.
3. 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 from:
2~50 parts of dispersant;1~5 part of antifreezing agent;0.1~4 part of anticaking agents;0.1~6 part of suspending agent;0.1~3 part of film former; 0.1~3 part of antifungus agent;0.1~5 part of PH regulators;0.5~5 part of coloring agent;1~10 part of filler;Deionized water 10~80 Part.
4. suspension seed-coating agent according to claim 3, it is characterised in that:Described dispersant is selected from phosphate ester, lignin Sulfonate, benzenesulfonates, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalenesulfonateformaldehyde formaldehyde Condensation substance sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, fatty acid glyceride gathers At least one in oxygen vinyl Ether;
Described antifreezing agent is one or more in ethylene glycol, Propylene Glycol, glycerol, Polyethylene Glycol, Sorbitol, urea;
Described anticaking agents are at least one of sodium aluminosilicate, tricalcium phosphate, silicon dioxide;
Described suspending agent is white carbon or xanthan gum;
Described film former is at least one of polyvinyl alcohol, polyvinyl acetate or modified starch;
Described antifungus agent is the one kind in BIT, sodium benzoate, sorbic acid and polyhydroxy benzenes formic acid propyl propionate Or it is various;
Described PH regulators are sodium hydroxide, ammonia, acetic acid, hydrochloric acid, citric acid or phosphoric acid;
The coloring agent is acid red as fire or Acid Red B;
The one kind or many of described filler in Kaolin, kieselguhr, bentonite, attapulgite, starch, precipitated calcium carbonate Kind.
5. the suspension seed-coating agent according to any one of claim 1-4, it is characterised in that:Described suspension seed-coating agent is mainly used The coating seed dressing before the plantation of the seed in Semen sojae atricolor, Semen arachidis hypogaeae, Semen Tritici aestivi, Oryza sativa L., Semen Maydiss, Sorghum vulgare Pers., fruit tree, forest and flower nursery.
It is 6. a kind of to prepare such as the method for the suspension seed-coating agent described in any one of claim 1-4, it is characterised in that:In high shear In emulsion dispersion machine, by proportioning imidacloprid, pyraclostrobin, Ningnanmycin, dispersant, antifreezing agent, anticaking agents, film forming are added Agent, antifungus agent, coloring agent, filler, PH regulators and deionized water are supplied, stirring while adding uniform, by mixed liquor in average point Dissipate 30 minutes, then the at the uniform velocity even amount of above-mentioned mixed liquor is added into ball milling 1.5-3 hours in ball mill, be eventually adding suspending agent and be made into Aqueous solution adjust viscosity, after mixing discharge.
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CN106508947A (en) * 2016-10-31 2017-03-22 江西金元莱高新材料有限公司 Ternary compound flowable concentrate for seed coating
CN106508927A (en) * 2016-10-31 2017-03-22 江西金元莱高新材料有限公司 Ternary compound suspended seed coating agent
CN107306967A (en) * 2017-07-10 2017-11-03 安徽丰乐农化有限责任公司 A kind of bactericidal composition containing prothioconazoles and amino-oligosaccharide
CN107372556A (en) * 2017-07-10 2017-11-24 安徽丰乐农化有限责任公司 A kind of suspension seed-coating agent containing pyraclostrobin, amino-oligosaccharide and Diacloden
CN107549189A (en) * 2017-10-24 2018-01-09 安徽丰乐农化有限责任公司 A kind of suspension seed-coating agent containing AVM, pyraclostrobin and iprodione
CN107668055A (en) * 2017-10-24 2018-02-09 安徽丰乐农化有限责任公司 A kind of suspension seed-coating agent containing AVM, cartap and pyraclostrobin
CN107836459A (en) * 2017-10-24 2018-03-27 安徽丰乐农化有限责任公司 A kind of suspension seed-coating agent containing metconazole, amino-oligosaccharide and clothianidin
CN108184893A (en) * 2018-03-14 2018-06-22 安徽丰乐农化有限责任公司 A kind of compounding seed coat agent of pyraclostrobin-containing, shenqinmycin and imidacloprid
CN109287641A (en) * 2018-10-30 2019-02-01 江苏辉丰生物农业股份有限公司 A kind of microbicide compositions

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