CN107836459A - A kind of suspension seed-coating agent containing metconazole, amino-oligosaccharide and clothianidin - Google Patents

A kind of suspension seed-coating agent containing metconazole, amino-oligosaccharide and clothianidin Download PDF

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Publication number
CN107836459A
CN107836459A CN201711005586.0A CN201711005586A CN107836459A CN 107836459 A CN107836459 A CN 107836459A CN 201711005586 A CN201711005586 A CN 201711005586A CN 107836459 A CN107836459 A CN 107836459A
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China
Prior art keywords
agent
oligosaccharide
amino
metconazole
clothianidin
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CN201711005586.0A
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龚国斌
胡华海
章保华
吴永虎
余金兵
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Anhui Fengle Agrochemical Co Ltd
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Anhui Fengle Agrochemical Co Ltd
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Priority to CN201711005586.0A priority Critical patent/CN107836459A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647Triazoles; Hydrogenated triazoles
    • A01N43/6531,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N51/00Biocides, 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

Abstract

The present invention relates to a kind of suspension seed-coating agent containing metconazole, amino-oligosaccharide and clothianidin, the suspension seed-coating agent is made up of effective ingredient and auxiliary ingredients, wherein effective ingredient is metconazole, amino-oligosaccharide and clothianidin, and the mass ratio of the metconazole, amino-oligosaccharide and clothianidin is 1~80: 1~80:1~80.The present invention is compounded metconazole, amino-oligosaccharide and clothianidin according to a certain ratio, can accomplish disease pest double play, and have good drug effect to the germ insect of underground, ground;The plant diseases such as peanut root rot, take-all, root rotof flax, rice seedling blight can be effectively prevented and treated, can also prevent and treat the insects such as crops seedling stage aphid, thrips, trialeurodes vaporariorum;Inducible plant pair intrusive viruses produces resistance and tolerance to diseases in addition, but also can promote plant growth, 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 metconazole, amino-oligosaccharide and clothianidin
Technical field
The invention belongs to chemical pesticide field, and in particular to a kind of outstanding containing metconazole, amino-oligosaccharide and clothianidin Floating seed coat 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.
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 metconazole, amino-oligosaccharide and clothianidin, three has absorbability, has good compatibility, accomplishes disease pest double play, underground The germ insect of ground has good drug effect, and can induce plant pair intrusive viruses and produce resistance and tolerance to diseases, can be very Good solves the problems, such as to run into above actual production, time and labour saving, the less pollution compared with other pesticide application technologies, and at present Untill, found through preliminary search:What only Jiangsu Province Lvdunzhibao Agriculture Chemical Experiment Co., Ltd was applied contains metconazole and amino A kind of microbicide compositions of preventing and treating wheat scab of oligosaccharide, (CN201410485523.X) document, without seed coat agent Relevant report, the also relevant report not using metconazole, amino-oligosaccharide and clothianidin as the seed coat agent of active ingredient.
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 to handling seed contain leaf Bacterium azoles, amino-oligosaccharide and clothianidin are the suspension seed-coating agent of active ingredient, to solve a large amount of disease pests run into production at present For evil without the obvious medicament of preventive effect, use cost is high, it is seriously polluted the problems such as.
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 peanut, cotton, wheat, rice, corn, sorghum, fruit tree, the seed in forest and flower nursery is coated, preferably to prevent and treat standing grain The droop of cereal crops, damping-off, verticillium wilt, samping 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 has special efficacy, can induce plant pair invasion disease Poison produces resistance and tolerance to diseases and to insect, as aphid, leafhopper, thrips, trialeurodes vaporariorum and colorado potato bug and frit fly have it is aobvious The prevention effect of work, and have the function that to promote crop root growth development, strong plantlets and rootage to improve 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 metconazole, amino-oligosaccharide and clothianidin, it is characterised in that:The suspension seed-coating agent It is made up of effective ingredient and auxiliary ingredients, wherein effective ingredient is metconazole, amino-oligosaccharide and clothianidin, the leaf bacterium The mass ratio of azoles, amino-oligosaccharide and clothianidin is 1~80: 1~80:1~80.
Further scheme, the mass ratio of the metconazole, amino-oligosaccharide and clothianidin for 1.75~0.25: 0.25~ 1.75:7~37.
Further scheme, the mass ratio of the metconazole, amino-oligosaccharide and clothianidin is 1: 1:20.
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.
Described suspension seed-coating agent is mainly used in peanut, wheat, rice, corn, sorghum, fruit tree, forest and the kind in flower nursery Son coating seed dressing before planting.So as to preferably prevent and treat the droop of cereal crop, damping-off, verticillium wilt, samping off, line Rot, seedling rot, sclerotiniose, epidemic disease, dry rot, scab, sclerotium soft rot, seedling blight, stem wilt, leaf blight, macerate root, even Making continuous cropping obstacle has special efficacy, and also has certain effect to virosis, and to insect, such as aphid, leafhopper, thrips, trialeurodes vaporariorum And colorado potato bug and frit fly have significant prevention effect, also have and promote crop root growth development, strong plantlets and rootage to carry The effect of high-survival rate.
The present invention suspension seed-coating agent preparation method be in high-shear emulsifying dispersion machine, by proportioning add clothianidin, Metconazole, amino-oligosaccharide, dispersant, antifreezing agent, anticaking agent, film forming agent, mould inhibitor, colouring agent, filler, PH conditioning agents and go Ionized water is supplied, stirring while adding uniformly to disperse mixed liquor 30 minutes in average, then the at the uniform velocity even amount of above-mentioned mixed liquor is added Ball milling 1.5-3 hours in ball mill, the aqueous solution regulation viscosity that suspending agent is made into is eventually adding, is 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 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 Resistance against diseases, 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 metconazole, amino-oligosaccharide and clothianidin according to a certain ratio, have due to three in Absorption, there is good compatibility, accomplish disease pest double play, and have good drug effect to the germ insect of underground, ground;Can have The plant diseases such as effect preventing and treating root rot, peanut root rot, take-all, rice seedling blight, can also prevent and treat crops seedling stage The insects such as aphid, thrips, trialeurodes vaporariorum.
2nd, seed coat agent of the invention can induce plant pair intrusive viruses and produce resistance and tolerance to diseases, can be good at solving with The problem of being run into upper actual production, 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:9% metconazole, amino-oligosaccharide and clothianidin suspension seed-coating agent
Metconazole 1.75g, amino-oligosaccharide 0.25g, clothianidin 7g;Dispersant sodium lignin sulfonate 8g, antifreezing agent second two Alcohol 2g, anticaking agent sodium silicoaluminate 3g, suspending agent white carbon 4g, film forming agent polyvinyl alcohol 5g, preservative sodium benzoate 2g, colouring agent Acid scarlet 1g, pH adjusting agent acetic acid 1g, filler kaolin 2g, deionized water supply 100g.
First above-mentioned metconazole, amino-oligosaccharide, clothianidin, filler, colouring agent, anticaking agent, filler powder material are added After mixing 30min in homogenizer equipped with deionized water, the liquid such as dispersant, film forming agent, antifreezing agent, preservative original is sequentially added 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 two:15% metconazole, amino-oligosaccharide, clothianidin suspension seed-coating agent
Metconazole 0.8g, amino-oligosaccharide 0.4g, clothianidin active compound 13.8g, 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 metconazole, amino-oligosaccharide, clothianidin, filler, colouring agent, anticaking agent, filler powder material are added After mixing 30min in homogenizer equipped with deionized water, the liquid such as dispersant, film forming agent, antifreezing agent, preservative original is sequentially added 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 three:18% metconazole, amino-oligosaccharide, clothianidin suspension seed-coating agent
Metconazole 1g, amino-oligosaccharide 0.5g, clothianidin active compound 16.5g, dispersant are sodium lignin sulfonate 8g, antifreezing agent For ethylene glycol 2g, anticaking agent be sodium silicoaluminate 2g, suspending agent is xanthans 0.15g, film forming agent is polyvinyl alcohol 6g, preservative benzene Sodium formate 1g, colouring agent are acid scarlet 1g, pH adjusting agent is acetic acid 3g, filler concave convex rod 1g, deionized water supply 100g.
First metconazole, amino-oligosaccharide, clothianidin, filler, colouring agent, anticaking agent, filler powder material are added and be equipped with After mixing 30min in the homogenizer of deionized water, the liquid charging stocks such as dispersant, film forming agent, antifreezing agent, preservative are sequentially added, 10-15min is remixed, forms premix slurry.To premix again in the high-shear emulsifying dispersion machine that extract of slurry, it is closed, add It is fully emulsified under conditions of pressure, scattered, make premix slurry more uniformly, refinement.Then this slurry is passed through into pipeline and separate pump It 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% metconazole, amino-oligosaccharide, clothianidin suspension seed-coating agent
Metconazole 1g, amino-oligosaccharide 1g, clothianidin active compound 20g, dispersant are wooden sodium sulfonate 10g, antifreezing agent is second Glycol 2g, anticaking agent are sodium silicoaluminate 3g, suspending agent is xanthans 0.2g, film forming agent is polyvinyl alcohol 8g, preservative benzoic acid Sodium 1.5g, colouring agent are acid scarlet 1g, pH adjusting agent is acetic acid 3g, filler concave convex rod 1g, deionized water supply 100g.
First clothianidin, metconazole, amino-oligosaccharide, filler, colouring agent, anticaking agent, filler powder material are added and be equipped with After mixing 30min in the homogenizer of deionized water, the liquid charging stocks such as dispersant, film forming agent, antifreezing agent, preservative are sequentially added, 10-15min is remixed, forms premix slurry.To premix again in the high-shear emulsifying dispersion machine that extract of slurry, it is closed, add It is fully emulsified under conditions of pressure, scattered, make premix slurry more uniformly, refinement.Then this slurry is passed through into pipeline and separate pump It 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:30% metconazole, amino-oligosaccharide, clothianidin suspension seed-coating agent
Metconazole 0.25g, amino-oligosaccharide 1.75g, clothianidin active compound 28g, 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.
First metconazole, amino-oligosaccharide, clothianidin, filler, colouring agent, anticaking agent, filler powder material are added and be equipped with After mixing 30min in the homogenizer of deionized water, the liquid charging stocks such as dispersant, film forming agent, antifreezing agent, preservative are sequentially added, 10-15min is remixed, forms premix slurry.To premix again in the high-shear emulsifying dispersion machine that extract of slurry, it is closed, add It is fully emulsified under conditions of pressure, scattered, make premix slurry more uniformly, refinement.Then this slurry is passed through into pipeline and separate pump It 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:40% metconazole, amino-oligosaccharide, clothianidin suspension seed-coating agent
Metconazole 1.5g, amino-oligosaccharide 1.5g, clothianidin active compound 37g, 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.
First metconazole, amino-oligosaccharide, clothianidin, filler, colouring agent, anticaking agent, filler powder material are added and be equipped with After mixing 30min in the homogenizer of deionized water, the liquid charging stocks such as dispersant, film forming agent, antifreezing agent, preservative are sequentially added, 10-15min is remixed, forms premix slurry.To premix again in the high-shear emulsifying dispersion machine that extract of slurry, it is closed, add It is fully emulsified under conditions of pressure, scattered, make premix slurry more uniformly, refinement.Then this slurry is passed through into pipeline and separate pump It 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
Under greenhouse experiment, using pot-culture method, research metconazole, amino-oligosaccharide, the production of clothianidin ternary built Product seed pelleting handles the security to wheat and the effect to root rotof flax, is metconazole, amino-oligosaccharide, clothianidin three The reasonability of member compounding provides scientific basis.
The amino-oligosaccharide active compound (Hainan Zhengye Zhongnong Hi-Tech Industry Co., Ltd) of reagent agent 85%;
95% metconazole active compound (Anhui Fengle Agricultural Co., Ltd provides for oneself);
98% clothianidin active compound (Jiangsu Flag Chemical Industry Co., Ltd.).
For trying strain:Standing grain cochliobolus (Cochliobolus sati-vu (Ito et Kurib.) Drechsl.), by pacifying Emblem agriculture university plant protection system plant pathology laboratory provides.
Metconazole dilution is configured to 72,36,18,9,5 series concentrations of 4.5mg/kg;Amino-oligosaccharide dilution is prepared Into 48,24,12,6,5 series concentrations of 3mg/kg;5 kinds of mixture preparation (metconazoles (A):Amino-oligosaccharide (B), dilution are prepared Into 60,30,15,7.5,5 series concentrations of 3.75mg/kg.
Metconazole and the optimum proportioning of amino-oligosaccharide preventing and treating root rotof flax are screened in this experiment first, in this optimum proportioning On the basis of, further carry out recipe determination with clothianidin.
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 clothianidin 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 metconazole, the LC of amino-oligosaccharide 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, root rotof flax 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.EC is obtained according to equation50Value, compares virulence size, and pass through EC50Value determines each mixture co-toxicity coefficient.According to virulence 4 index, theoretical toxicity index, actual toxicity index, co-toxicity coefficient indexs observe it result and carry out systematic analysis technique.
Toxicity index=(the EC of standard antiseptic agent50The EC of medicament is surveyed in value/confession50Value) × 100%
The actual toxicity index=(EC of standard antiseptic agent50The EC of value/mixture50Value) × 100%
Content (the %)+B of theoretical toxicity index=A toxicity index × A in mixture toxicity index × B is in mixture Content (%)
Co-toxicity coefficient=(actual toxicity index/theoretical toxicity index) × 100%
The synergy of metconazole and amino-oligosaccharide
Metconazole active compound, amino-oligosaccharide active compound and 5 metconazoles and amino-oligosaccharide 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/kg)
The synergy of metconazole and the optimal mixture of amino-oligosaccharide and clothianidin
Metconazole amino-oligosaccharide mixture, clothianidin active compound 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)
Metconazole and amino-oligosaccharide mixture are as shown in table 3 to the inhibitory action of standing grain cochliobolus:
To the inhibitory action of standing grain cochliobolus after the metconazole of table 3 and amino-oligosaccharide mixture medicine
Prevention effect is the average value of four data in table.
As shown in Table 3:Inhibitory action and preventive effect of the medicament to Cochliobolus sativus standing grain cochliobolus.It is calculated by formula Respective virulence regression equation, LD50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.It is listed in table 4.
Table 4:Metconazole and synergy of the amino-oligosaccharide mixture to standing grain cochliobolus
Processing Regression equation Coefficient correlation LD50 Actual toxicity index Theoretical toxicity index Coefficient of synergism
A Y=2.0329x+2.1223 0.9957 26.0351 100 / /
B Y=1.9024x+2.5366 0.9984 19.7199 132.02 / /
C Y=1.9341x+2.6461 0.9970 16.4830 157.95 104.00 151.88
D Y=1.9117x+2.7325 0.9962 15.3513 169.60 108.01 157.02
E Y=1.9184x+2.7979 0.9952 14.0569 185.21 116.01 159.65
F Y=1.9039x+2.7099 0.9959 15.9536 163.19 124.02 131.58
G Y=1.8865x+2.6361 0.9943 17.9087 145.38 128.02 113.56
As shown in Table 4, processing C, D, E, F, G co-toxicity coefficient is respectively:151.88、157.02、159.65、131.58、 113.56,100 are all higher than, illustrates that metconazole and amino-oligosaccharide mixture have addition or synergistic effect.Wherein C, D, E, F is total to Malicious coefficient is more than 120, has synergistic effect, particularly handles the E maximum of co-toxicity coefficient value 159.65, there is notable synergy to make With.
The synergy of metconazole amino-oligosaccharide optimum proportioning and clothianidin is as shown in table 5:
Table 5:Inhibitory action of the metconazole amino-oligosaccharide optimum proportioning with clothianidin to standing grain cochliobolus
As shown in Table 5:Inhibitory action and preventive effect of the medicament to Cochliobolus sativus standing grain cochliobolus.It is calculated by formula Respective virulence regression equation, LD50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.It is listed in table 6.
The metconazole amino-oligosaccharide optimum proportioning of table 6 and synergy of the clothianidin to standing grain cochliobolus
Processing Regression equation Coefficient correlation LD50 Actual toxicity index Theoretical toxicity index Coefficient of synergism
A Y=2.0509x+2.5835 0.9924 15.0752 100 / /
B Y=1.5878x+2.3251 0.9955 48.3730 31.16 / /
C Y=1.9876x+2.7735 0.9928 13.1885 114.31 46.46 246.04
D Y=1.9503x+2.9195 0.9951 11.6620 129.27 40.34 320.45
E Y=1.9291x+3.0239 0.9966 10.5762 142.54 37.42 380.92
F Y=1.9490x+2.9104 0.9950 11.8069 127.68 35.75 357.12
G Y=1.9809x+2.7895 0.9929 13.0585 115.44 34.69 332.78
As shown in Table 6, processing C, D, E, F, G co-toxicity coefficient is respectively:246.04、320.45、380.92、357.12、 332.78, co-toxicity coefficient is all higher than 120, has synergistic effect, particularly handles the E maximum of co-toxicity coefficient value 380.92, has Notable synergistic effect.
By experiment, metconazole, amino-oligosaccharide and clothianidin press 1:1:20 ratio mixtures are more suitable, to wheat Root rot germ, there is significant inhibitory action.
The metconazole amino-oligosaccharide prevention effect to aphid mixed with clothianidin of table 7
As shown in Table 7, metconazole to the preventive effect of aphid with after amino-oligosaccharide optimum proportioning and clothianidin mixture, all comparing thiophene Worm amine single dose increases, and slightly has synergistic effect to aphid after illustrating compounding.So metconazole, amino-oligosaccharide and clothianidin three Person presses 1:1:20 ratio mixtures are more suitable, there is good prevention effect to root rotof flax and aphid.
Experimental example eight:Field control effectiveness test
Our Shucheng County, Anhui Province Baima on June 10th, 2016 are delayed to be hanged with 15% metconazole amino-oligosaccharide clothianidin Floating seed coat agent reagent agent is 15% metconazole, amino-oligosaccharide and clothianidin suspension seed-coating agent (metconazole in embodiment two:Ammonia Base oligosaccharide:Clothianidin=0.8:0.4:13.8, Anhui Fengle Agricultural Co., Ltd's formulation development center provides) enter water-filling Rice coating experiment.It is " crystalline substance two excellent 534 " for examination rice varieties.
Experiment sets 5 processing altogether, wherein:
Processing 1:It is not coated, as blank control (CK1);
Processing 2:15% metconazole amino-oligosaccharide clothianidin suspension seed-coating agent;
Processing 3:25% metconazole SC dresses seed;
Processing 4:5% amino-oligosaccharide aqua is dressed seed;
Processing 5:35% clothianidin 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:Preventive effect of the 8 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 9 to rice seedling rice thripses
The 15% metconazole amino-oligosaccharide clothianidin suspended seed coating of the present invention it can be seen from upper table experimental result After agent Cotton seeds rice paddy seed, its sick seedling rate and worm seedling rate exist significantly less than blank control to the preventive effect of rice seedling blight 85.71~97.62%, the preventive effect of rice thripses can prevent and treat rice seedling damping-off and rice simultaneously 90.20%~98.04% The harm of thrips.
Experimental example nine:Field control effectiveness test
Test and carried out in 2016 in Xiuzhou City, Anhui Province Yongan town.It is " Anhui wheat 33 ", reagent agent for examination wheat breed For 22% metconazole, amino-oligosaccharide and clothianidin suspension seed-coating agent (metconazole in embodiment two:Amino-oligosaccharide:Clothianidin =1:1:20, 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 2:22% metconazole amino-oligosaccharide clothianidin suspension seed-coating agent;
Processing 3:25% metconazole SC dresses seed;
Processing 4:5% amino-oligosaccharide aqua is dressed seed;
Processing 5:35% clothianidin 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 Wheat 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 wheat 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%
10 different seed coat agents of table handle preventive effect of the wheat seed to root rot
11 different seed coat agents of table handle preventive effect of the wheat seed to wheat ear aphid
The 22% metconazole amino-oligosaccharide clothianidin suspended seed coating of the present invention it can be seen from upper table experimental result After agent Cotton seeds wheat seed, its sick seedling rate significantly less than blank control, to the preventive effect of root rotof flax 86.96~ 97.83%th, the preventive effect of wheat ear aphid can prevent and treat root rotof flax and the danger of wheat ear aphid simultaneously 96.79%~100% Evil.
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 metconazole, amino-oligosaccharide and clothianidin, it is characterised in that:The suspension seed-coating agent is It is made up of effective ingredient and auxiliary ingredients, wherein effective ingredient is metconazole, amino-oligosaccharide and clothianidin, the metconazole, The mass ratio of amino-oligosaccharide and clothianidin is 1~80: 1~80:1~80.
  2. 2. the suspension seed-coating agent according to claim 1, it is characterised in that:The metconazole, amino-oligosaccharide and clothianidin Mass ratio be 1.75~0.25: 0.25~1.75:7~37.
  3. 3. the suspension seed-coating agent according to claim 2, it is characterised in that:The metconazole, amino-oligosaccharide and clothianidin Mass ratio be 1: 1:20.
  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.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104255739A (en) * 2014-09-22 2015-01-07 江苏省绿盾植保农药实验有限公司 Bactericide composition for preventing and treating wheat scab and application thereof
CN104604927A (en) * 2015-01-30 2015-05-13 北农(海利)涿州种衣剂有限公司 Seed-treating agent containing clothianidin, pyraclostrobin and metconazole
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
CN105145573A (en) * 2015-08-19 2015-12-16 京博农化科技股份有限公司 Coating composition
CN105638717A (en) * 2016-01-30 2016-06-08 安徽丰乐农化有限责任公司 Suspended seed coating agent and preparation method and application thereof
CN107047572A (en) * 2017-05-13 2017-08-18 北京科发伟业农药技术中心 Composition containing isotianil and smart furalaxyl

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104255739A (en) * 2014-09-22 2015-01-07 江苏省绿盾植保农药实验有限公司 Bactericide composition for preventing and treating wheat scab and application thereof
CN104604927A (en) * 2015-01-30 2015-05-13 北农(海利)涿州种衣剂有限公司 Seed-treating agent containing clothianidin, pyraclostrobin and metconazole
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
CN105145573A (en) * 2015-08-19 2015-12-16 京博农化科技股份有限公司 Coating composition
CN105638717A (en) * 2016-01-30 2016-06-08 安徽丰乐农化有限责任公司 Suspended seed coating agent and preparation method and application thereof
CN107047572A (en) * 2017-05-13 2017-08-18 北京科发伟业农药技术中心 Composition containing isotianil and smart furalaxyl

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