CN1311741C - Seed coating agent containing benfuracarb - Google Patents

Seed coating agent containing benfuracarb Download PDF

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Publication number
CN1311741C
CN1311741C CNB2005100655004A CN200510065500A CN1311741C CN 1311741 C CN1311741 C CN 1311741C CN B2005100655004 A CNB2005100655004 A CN B2005100655004A CN 200510065500 A CN200510065500 A CN 200510065500A CN 1311741 C CN1311741 C CN 1311741C
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China
Prior art keywords
agent
seed coating
weight
clothing
kilograms
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CN1666611A (en
Inventor
黄松其
吴敏华
陈杰辉
斯晓帆
姜影屏
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ZHEJIANG HETIAN CHEMICAL CO Ltd
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ZHEJIANG HETIAN CHEMICAL CO Ltd
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Abstract

The present invention relates to a seed coating agent which uses benfuracarb which is a biocidal agent as an active component, and uses high polymers, such as polyvinyl alcohol, or polyacrylamide, etc., as a film forming agent. The seed coating agent is processed into water emulsifying type seed coating agents, suspension emulsifying type seed coating agents and dry powder type seed coating agents by being added with various auxiliary agents. Germicidal agents, such as thiram, tebuconazole, moncut, metalaxyl, carbendazim, prochloraz, or seed dressing agents, etc., are added as second active components, and the seed coating agent is prepared into disinsection sterilization compounding seed coating agents. The seed coating agent is mainly used as a substitute of a carbofuran seed coating agent which has high toxicity. The present invention is used for preventing and curing aphides and a plurality of kinds of soil insects on crops, such as corn, soybeans, paddy rice, cotton, etc. The compounding preparation of the present invention is used for simultaneously curing black silk diseases, smut, drooping diseases in a seedling stage and anthracnose.

Description

Contain the kind clothing agent of Benfuracard micro
Technical field
The present invention relates to a kind of active constituent Benfuracard micro (Benfuracarb) insecticide that contains, and use film forming agent to handle the kind clothing agent of crop seeds, be used for crops such as corn, soybean, paddy rice, cotton and prevent eliminating aphis and various soil insects.
Background of invention
Planting the clothing agent is processed into by process advanced technologies such as insecticide, bactericide, compound fertilizer, trace element, plant growth regulator, sustained release agent and film forming agents; can directly or after dilution be wrapped in the surface of the seed, form pesticidal preparations with certain intensity and permeability diaphragm.The agent of kind of clothing is used before sowing, but the integrated control seedling stage diseases and pests economize medicine, save time, the saving of labor, save money, help environmental protection, can promote plant growth again behind the dressing, make powerful, the strong stress resistance of its root system, can protect product, increase production, economy, ecological benefits are remarkable.In view of above-mentioned advantage, plant the clothing agent and obtain liking of vast farmers rapidly, and be widely used in multiple kinds of crops.But domestic existing kind of clothing agent great majority are main component with the carbofuran, belong to high-toxic pesticide, do not meet the developing direction of modern agricultural chemicals high-efficiency low-toxicity.Along with China strengthens the agricultural chemicals that contains carbofuran is limited the use of and forbids, urgent need will find a kind of middle low-toxin farm chemicals kind that can substitute carbofuran to be applied in kind of the clothing agent.Benfuracard micro is the low derivative that poisons of carbofuran, and insecticidal effect approaches carbofuran very much, but toxicity has only 1/10th (the former medicine rat acute of carbofuran per os LD of carbofuran 50Be 8-14 milligram/kilogram, the former medicine rat acute of Benfuracard micro per os LD 50It is 138 milligrams/kilogram).It is the insecticide of a kind of wide spectrum, systemic action, is applicable to crops such as paddy rice, corn, soybean, potato, sugarcane, cotton, vegetables, fruit tree, prevents and treats various pests, and particularly soil insect is used for kind of a clothing agent so be particularly suitable for substituting carbofuran.
Summary of the invention
Purpose of the present invention just provides a kind of crops seed coating agent, is main component with the Benfuracard micro, replaces the agent of highly toxic carbofuran kind clothing, reduces kind of the product toxicity of clothing agent, increases safety in utilization, can produce good economic benefits and social benefit.
Of the present invention kind of clothing agent, mainly with the Benfuracard micro insecticide of 8-40% (weight) as active constituent, and film forming agent and other auxiliary agent of adding 0.1-15% (weight) are mixed and processed.
As film forming agent good film forming must be arranged, and the film that is become must there be air permeability and good and suitable clothing film-strength.The film forming agent that is fit to can adopt polyethylene glycol, polyvinyl alcohol resin, polyvinylpyrrolidone, hydroxyethylcellulose, equal polyvinyl acetate or polyacrylamide or their mixture.
Of the present invention kind of clothing agent can be made different dosage forms such as the agent of water and milk kind clothing, outstanding breast kind clothing agent and dry-powder seed coating agent by adding different auxiliary agents.
It is outside the main active constituent divided by the Benfuracard micro insecticide that the present invention plants the clothing agent, can also add bactericide such as tmtd, Tebuconazole, flutolanil, metalaxyl, carbendazim, Prochloraz or Seedvax as second active constituent, be mixed with the different rake of suitable control target pesticide-germicide complex preparations.
The present invention plants the clothing agent also can be used for the seed treatment prevention and elimination of disease and pests with the common dressing of sterilization kind clothing agent that bactericide such as tmtd, Tebuconazole, flutolanil, metalaxyl, carbendazim, Prochloraz or Seedvax are prepared as active constituent.
The present invention plants the clothing agent and can substitute with the kind clothing agent of carbofuran as the insecticidal activity component, is used for aphid and the various soil insects of crops such as control of maize, soybean, paddy rice, cotton.
Be described in detail the composition and the method for making of several different dosage form kind clothing of the present invention agent below:
1. contain the water and milk kind clothing agent of Benfuracard micro, the percentage by weight of each component is:
Benfuracard micro 8-35%
Stabilizing agent 1-5%
Emulsifier 5-15%
Antifreezing agent 1-5%
Alert toner 0.5-3%
Film forming agent 0.1-15%
Water surplus
As the active constituent Benfuracard micro of this water and milk kind clothing agent, this is unstable in water, so it is permanently effective to guarantee active constituent to add stabilizing agent, the stabilizing agent that is fit to can be epoxychloropropane, epoxy castor oil or epoxidized soybean oil.
The described emulsifier of this water and milk kind clothing agent, its effect are to reduce surface and interface tension force, and the oil phase dispersion and emulsion is become small oil droplet, are suspended in aqueous phase, form stable emulsion.The emulsifier that is applicable to the agent of this kind clothing must be the compound of phosphoric acid ester anion surfactant and non-ionic surface active agent, and wherein the phosphoric acid ester anion surfactant accounts for the 20-80% of emulsifier total amount.The phosphoric acid ester anion surfactant that is fit to can be alkylphenol polyoxyethylene phosphoric acid ester or aralkyl phenol polyethenoxy ether phosphoric acid ester or its salt (alkali metal salt or amine salt); The non-ionic surface active agent that is fit to can be alkylphenol polyoxyethylene class, alkylphenol-polyethenoxy polyoxypropylene ethers, benzylphenol polyethenoxy ether class, phenethyl phenol polyethenoxy polyoxypropylene ethers, castor oil ethylene oxide adduct, alkylphenol polyoxyethylene formaldehyde condensation products or aralkyl phenol polyethenoxy ether formaldehyde condensation products or their mixture.
For improving the low tempertaure storage stability of preparation, the agent of this water and milk kind clothing need be added antifreezing agent, and suitable antifreezing agent can be ethylene glycol, propane diols, glycerine or urea.
For improving the safety in utilization of this water and milk kind clothing agent, also need to add eye-catching alert toner, suitable alert toner can be acid scarlet, disperse scarlet or rhodamine toner.
The described film forming agent of this water and milk kind clothing agent can be polyethylene glycol, polyvinyl alcohol resin, polyvinylpyrrolidone, hydroxyethylcellulose, equal polyvinyl acetate or polyacrylamide or their mixture as previously mentioned.
Dressing is anti-separately eliminates aphis and various soil insects for the agent of this water and milk kind clothing, also can control various diseases with the common dressing of various sterilization kind clothing agent is double.Comprise as follows: can add metalaxyl to soybean and prevent and treat root rot; Can add Tebuconazole control black silk disease and smut to corn; To cotton can add flutolanil, Tebuconazole is prevented and treated damping off, root rot; Can add Tebuconazole control black silk disease and smut to the wheat class.
The processing method of this water and milk kind clothing agent is: add earlier quantitative water, alert toner, antifreezing agent, the film forming agent composition water that stirs in Scattered Kettle, in material-compound tank, add quantitative Benfuracard micro crude oil, stabilizing agent and emulsifier for mixing and evenly form oil phase, under the high speed shear condition, oil phase is added dropwise to water then, disperses promptly to get in 0.5-1 hour the water and milk kind clothing agent that contains Benfuracard micro.
2. the outstanding breast that contains Benfuracard micro is planted the clothing agent, and the percentage by weight of each component is as follows:
Benfuracard micro 8-20%
Component B 0.1-35%
Stabilizing agent 1-3%
Emulsifier 1-10%
Wetting dispersing agent 1-5%
Antifreezing agent 1-5%
Tackifier 0-3%
Defoamer 0-3%
Alert toner 0.5 3%
Film forming agent 0.1-15%
Water surplus
This outstanding breast is planted the described component B of clothing agent, can be that one or more of bactericide such as tmtd, Tebuconazole, flutolanil, metalaxyl, carbendazim, Prochloraz or Seedvax are composite.
This outstanding breast is planted the described stabilizing agent of clothing agent, can be epoxychloropropane, epoxy castor oil or epoxidized soybean oil.
This outstanding breast is planted the described emulsifier of clothing agent, must be the compound of phosphoric acid ester anion surfactant and non-ionic surface active agent, and wherein the phosphoric acid ester anion surfactant accounts for the 20-80% of emulsifier total amount.The phosphoric acid ester anion surfactant that is fit to can be alkylphenol polyoxyethylene phosphoric acid ester or aralkyl phenol polyethenoxy ether phosphoric acid ester or its salt (alkali metal salt or amine salt); The non-ionic surface active agent that is fit to can be alkylphenol polyoxyethylene class, alkylphenol-polyethenoxy polyoxypropylene ethers, benzylphenol polyethenoxy ether class, phenethyl phenol polyethenoxy polyoxypropylene ethers, castor oil ethylene oxide adduct, alkylphenol polyoxyethylene formaldehyde condensation products or aralkyl phenol polyethenoxy ether formaldehyde condensation products or their mixture.
For preventing the interparticle phase inter coagulation of active constituent, and promote its wetting dispersion, this outstanding breast is planted the clothing agent and need be added wetting dispersing agent, and suitable wetting dispersing agent can be anionic surfactant and non-ionic surface active agent or their mixtures such as alkylaryl APEO or polyaryl phenol polyethenoxy ether such as lignosulfonates, polycondensation naphthalene sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products, nekal or oleic acid methylamino ethylsulfonic acid sodium.
For improving the viscosity of dispersion medium, reduce the settling velocity of particle, thereby improve stability of formulation, this suspension seed-coating agent also need add tackifier, can be xanthans (XG), hydroxyethylcellulose, aluminium-magnesium silicate or sodium bentonite or their mixture.
This outstanding breast is planted the described antifreezing agent of clothing agent, can be ethylene glycol, propane diols, glycerine, polyethylene glycol or urea.
This outstanding breast is planted the described defoamer of clothing agent, can be the silicone defoaming agent of using always.
This outstanding breast is planted the described alert toner of clothing agent, can be acid scarlet, disperse scarlet, rhodamine toner, sun-proof azarin or sun-proof bright red.
This outstanding breast is planted the described film forming agent of clothing agent, can be polyethylene glycol, polyvinyl alcohol resin, polyvinylpyrrolidone, hydroxyethylcellulose, equal polyvinyl acetate or polyacrylamide or their mixture as previously mentioned.
The processing method that this outstanding breast is planted the clothing agent is: earlier Benfuracard micro, stabilizing agent, emulsifier and part water are processed into aqueous emulsion, the water of component B, wetting dispersing agent, tackifier, defoamer, alert toner, film forming agent and surplus is processed into aqueous suspension, fully mixes according to ratio then.
3. the dry-powder seed coating agent that contains Benfuracard micro, the percentage by weight of each component is as follows:
Benfuracard micro 20-40%
Component B 0-35%
Wetting dispersing agent 2-10%
Alert toner 1-4%
Film forming agent 0.1-8%
The filler surplus
The described component B of this dry-powder seed coating agent can be bactericide or their composite mixtures such as tmtd, Tebuconazole, flutolanil, metalaxyl, carbendazim, Prochloraz or Seedvax.
The described wetting dispersing agent of this dry-powder seed coating agent can be anionic surfactant and non-ionic surface active agent or their mixtures such as alkylaryl APEO or polyaryl phenol polyethenoxy ether such as lignosulfonates, lignin-sulphonate, polycondensation naphthalene sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products, nekal or lauryl sodium sulfate.
The described alert toner of this dry-powder seed coating agent can be acid scarlet, disperse scarlet or rhodamine toner.
The described film forming agent of this dry-powder seed coating agent can be polyethylene glycol, polyvinyl alcohol resin, polyvinylpyrrolidone, hydroxyethylcellulose, equal polyvinyl acetate or polyacrylamide or their mixture.
The described filler of this dry-powder seed coating agent can be the carrier with high absorption property, higher suspension rate, and first-selected is white carbon, Primary Study of Choosing Diatomite or sodium bentonite.
This dry-powder seed coating agent can be that the insecticide seed coating that only contains the Benfuracard micro single active ingredient uses separately, also can be processed into compound insecticidal, the agent of the multi-functional dry powder kind of diseases prevention clothing, or Benfuracard micro desinsection kind clothing pulvis mixes when the seed pelleting with the agent of various sterilization kind clothing, and common dressing is double controls various diseases with component B.Comprise as follows: can add metalaxyl to soybean and prevent and treat root rot; Can add Tebuconazole control black silk disease and smut to corn; To cotton can add flutolanil, Tebuconazole is prevented and treated damping off, root rot; Can add Tebuconazole control black silk disease and smut to the wheat class.
The processing method of this dry-powder seed coating agent is: the Benfuracard micro crude oil after will heating earlier sprays into to stir in the filler makes female powder, fully mix dropping in the blender according to proportioning then, at last well-mixed kind of clothing agent is added to and is crushed to required particle diameter in the airslide disintegrating mill and gets final product through other material after the coarse crushing and female powder of getting ready.
Specific embodiment
The present invention can be described by following specific embodiment, but the present invention never only limits to this several examples.
Embodiment one: take by weighing 8.7 kilograms of 93% Benfuracard micro crude oil, 3.0 kilograms of epoxidation castor oil, emulsifier 700 respectively #4.0 dropping into for 3.0 kilograms to stir in the material-compound tank, kilogram, emulsifier NP-10 phosphate formed oil phase in 20 minutes, taking by weighing 77.0 kilograms of 3.0 kilograms of glycerine, 0.6 kilogram of polyvinyl alcohol resin, 0.7 kilogram of acid scarlet, water drops into respectively to shear in the Scattered Kettle and formed water in ten minutes, under shear conditions, oil phase is added dropwise to water then, shears and promptly got 8% Benfuracard micro water and milk kind clothing agent in 0.5 hour.Can directly give corn with this water and milk kind clothing agent, soybean, cotton, wheat, seed pelletings such as barley are anti-to eliminate aphis, blade face and soil insects such as wireworm also can be with 2% Tebuconazole dry-powder seed coating agents, 15% carbendazim tmtd suspension seed-coating agent, 0.5% Prochloraz suspension seed-coating agent, 10% Seedvax tmtd suspension seed-coating agent, 15% tmtd alkene azoles alcohol suspension seed-coating agent, 15% tmtd metalaxyl suspension seed-coating agent, sterilization kind clothing agent such as 20% carbendazim tmtd Triadimenol suspension seed-coating agent or 18% carbendazim tmtd Prochloraz suspension seed-coating agent are carried out compound dressing to reach desinsection to seed, the diseases prevention multiple effect.
We entrust national southern agricultural chemicals initiative base, Zhejiang, center, at indoor measurement 8% Benfuracard micro water and milk kind clothing agent insecticidal effect of the present invention (comparing) with 8% carbofuran kind clothing agent.Pot-culture method is adopted in test, and tested object is an aphis craccivora, and each total borer population of handling of statistics calculates preventive effect.Result of the test is as follows:
Medicament Coated dosage M/M Borer population (individual) alive Preventive effect (%) 5% significance level 1% significance level
Blank CK / 1062 / / /
Benfuracard micro 1∶40 33 96.9 ab A
1∶60 96 91.0 abc AB
1∶100 144 86.4 abc ABC
1∶130 89 91.6 abc AB
Carbofuran 1∶40 14 98.7 a A
1∶60 45 95.8 ab AB
1∶100 124 88.3 abc ABC
1∶130 86 91.9 abc AB
Results from pot experiment test shows demonstration, more than dressing amount 1: 130 (medicament/grain weight), the agent of Benfuracard micro kind clothing with the agent of carbofuran kind clothing to the preventive effect of aphis craccivora all more than 86.4%, both do not have significant difference, the preventive effect of carbofuran slightly is better than Benfuracard micro.
Embodiment two: take by weighing 26.9 kilograms of 93% Benfuracard micro crude oil, 2.0 kilograms of epoxidized soybean oils, emulsifier NP-10 respectively #8.0 dropping into for 4.0 kilograms to stir in the material-compound tank, kilogram, emulsifier 603 phosphate amine salts formed oil phase in 20 minutes, taking by weighing 51.5 kilograms in 4.0 kilograms in urea, 2.0 kilograms of polyethylene glycol, 0.1 kilogram of polyacrylamide, 1.5 kilograms of rhodamine toners, water drops into respectively to shear in the Scattered Kettle and formed water in ten minutes, under shear conditions, oil phase is added dropwise to water then, shears and promptly got 25% Benfuracard micro water and milk kind clothing agent in 0.7 hour.Can directly give corn with this water and milk kind clothing agent, soybean, cotton, wheat, seed pelletings such as barley are anti-to eliminate aphis, blade face and soil insects such as wireworm also can be with 2% Tebuconazole dry-powder seed coating agents, 15% carbendazim tmtd suspension seed-coating agent, 0.5% Prochloraz suspension seed-coating agent, 10% Seedvax tmtd suspension seed-coating agent, 15% tmtd alkene azoles alcohol suspension seed-coating agent, 15% tmtd metalaxyl suspension seed-coating agent, sterilization kind clothing agent such as 20% carbendazim tmtd Triadimenol suspension seed-coating agent or 18% carbendazim tmtd Prochloraz suspension seed-coating agent are carried out compound dressing to reach desinsection to seed, the diseases prevention multiple effect.
Embodiment three: take by weighing 37.7 kilograms of 93% Benfuracard micro crude oil, 1.0 kilograms of epoxychloropropane, emulsifier 1601 respectively #6.0 dropping into for 8.0 kilograms to stir in the material-compound tank, kilogram, emulsifier 602 phosphoric acid ester sodiums formed oil phase in 20 minutes, take by weighing 3.0 kilograms of ethylene glycol, all 0.3 kilogram of polyvinyl acetate, 0.5 kilogram of polyvinylpyrrolidone, 2.5 kilograms of disperse scarlets, water drop into respectively for 41.0 kilograms to shear in the Scattered Kettle and formed water in ten minutes, under shear conditions, oil phase is added dropwise to water then, shears and promptly got 35% Benfuracard micro water and milk kind clothing agent in 1 hour.Can directly give corn with this water and milk kind clothing agent, soybean, cotton, wheat, seed pelletings such as barley are anti-to eliminate aphis, blade face and soil insects such as wireworm also can be with 2% Tebuconazole dry-powder seed coating agents, 15% carbendazim tmtd suspension seed-coating agent, 0.5% Prochloraz suspension seed-coating agent, 10% Seedvax tmtd suspension seed-coating agent, 15% tmtd alkene azoles alcohol suspension seed-coating agent, 15% tmtd metalaxyl suspension seed-coating agent, sterilization kind clothing agent such as 20% carbendazim tmtd Triadimenol suspension seed-coating agent or 18% carbendazim tmtd Prochloraz suspension seed-coating agent are carried out compound dressing to reach desinsection to seed, the diseases prevention multiple effect.
Embodiment four: take by weighing 4.4 kilograms of 93% Benfuracard micro crude oil, emulsifier 1601 respectively #2 kilograms, emulsifier 603 phosphoric acid ester sodiums drop into for 3 kilograms to stir in the material-compound tank formed oil phase in 20 minutes, taking by weighing 38.6 kilograms in 2 kilograms in urea, water drops into respectively to shear in the Scattered Kettle and formed water in ten minutes, under shear conditions, oil phase is added dropwise to water then, shears and promptly got component one in 0.5 hour.Taking by weighing 31.15 kilograms of 8.5 kilograms of the former medicines of 95% tmtd, 4.2 kilograms of 96% carbendazim active compounds, 3 kilograms of M-9 dispersants, JFC1 kilogram, 1 kilogram of sodium bentonite, 0.55 kilogram of rhodamine toner, 0.6 kilogram of polyvinyl alcohol resin, water respectively drops into the Scattered Kettle high speed and sheared 20 minutes, be transferred to then and be crushed to required particle diameter in the sand milling still and obtain component two, at last component one and component two mixing and stirring are promptly obtained the outstanding breast of Benfuracard micro tmtd carbendazim and plant the clothing agent.Should the agent of outstanding breast kind clothing can prevent and kill off various soil insects, root rot and smut well for the wheat seed dressing with 1: 50 pesticide-seeds ratio.
Embodiment five: take by weighing 9.7 kilograms of 93% Benfuracard micro crude oil, polyoxyethylene nonylphenol ether-12 respectively #2.0 dropping into for 2.0 kilograms to stir in the material-compound tank, kilogram, emulsifier 602 phosphate amine salts formed oil phase in 20 minutes, taking by weighing 32.3 kilograms of 4.0 kilograms of ethylene glycol, water drops into respectively to shear in the Scattered Kettle and formed water in ten minutes, under shear conditions, oil phase is added dropwise to water then, shears and promptly got component one in 0.5 hour.Take by weighing 8.5 kilograms of the former medicines of 95% tmtd, 0.64 kilogram of the former medicine of 95% Tebuconazole, 0.2 kilogram of NNO dispersant, YUS-SC3 respectively #2.0 kilogram, 1.0 kilograms of aluminium-magnesium silicates, 0.6 kilogram of rhodamine toner, 3.0 kilograms of polyethylene glycol, 0.1 kilogram of homopolymerization Ethyl vinylacetate, water drop into the Scattered Kettle high speed for 33.96 kilograms and sheared 20 minutes, be transferred to then and be crushed to required particle diameter in the sand milling still and obtain component two, at last component one and component two mixing and stirring are promptly obtained the outstanding breast of Benfuracard micro tmtd Tebuconazole and plant the clothing agent.Should the agent of outstanding breast kind clothing give the corn seed dressing, can prevent and kill off various soil insects, black silk disease and smut well with 1: 50 pesticide-seeds ratio.
Embodiment six: take by weighing 10.8 kilograms of 93% Benfuracard micro crude oil, emulsifier 601 respectively #3.0 dropping into for 4.0 kilograms to stir in the material-compound tank, kilogram, emulsifier NP-10 phosphate amine salt formed oil phase in 20 minutes, taking by weighing 29.2 kilograms of 3.0 kilograms of glycerine, water drops into respectively to shear in the Scattered Kettle and formed water in ten minutes, under shear conditions, oil phase is added dropwise to water then, shears and promptly got component one in 0.5 hour.Taking by weighing 25.15 kilograms of 10.6 kilograms of the former medicines of 95% tmtd, 10.0 kilograms of the former medicines of Seedvax, 2.0 kilograms of AGO300 dispersants, 1.0 kilograms of penetrant ts, 1.1 kilograms of rhodamine toners, 0.15 kilogram of polyacrylamide, water respectively drops into the Scattered Kettle high speed and sheared 20 minutes, be transferred to then and be crushed to required particle diameter in the sand milling still and obtain component two, at last component one and component two mixing and stirring are promptly obtained the outstanding breast of Benfuracard micro tmtd Seedvax and plant the clothing agent.Should the agent of outstanding breast kind clothing give the cotton seeds dressing, can prevent and kill off various soil insects, seedling blight and anthracnose well with 1: 100 pesticide-seeds ratio.
Embodiment seven: take by weighing 16.2 kilograms of 93% Benfuracard micro crude oil, 2.0 kilograms of epoxidized soybean oils, 4.0 kilograms of emulsifier 603 phosphate amine salts, emulsifier 602 respectively #2 kilograms are dropped into to stir in the material-compound tanks and formed oil phase in 20 minutes, take by weighing 2 kilograms in urea, water drops into respectively for 23.8 kilograms to shear in the Scattered Kettle and formed water in ten minutes, under shear conditions oil phase is added dropwise to water then, shear and promptly get component one in 0.8 hour.Take by weighing 1.6 kilograms of the former medicines of 95% Prochloraz, farming breast 500 respectively #1.0 kilogram, farming breast 600 #1.0 kilogram, 1 kilogram of 3 kilograms of dispersant NNO, JFC, 0.1 kilogram of xanthans, 1.5 kilograms of sun-proof azarins, film forming agent HT-0.3 #15.0 kilogram, water drop into the Scattered Kettle high speed for 25.8 kilograms and sheared 20 minutes, be transferred to then and be crushed to required particle diameter in the sand milling still and obtain component two, at last component one and component two mixing and stirring are promptly obtained the outstanding breast of Benfuracard micro Prochloraz and plant the clothing agent.Should the agent of outstanding breast kind clothing give the rice paddy seed dressing, can prevent and kill off various soil insects and bakanae disease of rice well with 1: 100 pesticide-seeds ratio.
Embodiment eight: take by weighing 26.9 kilograms of 93% Benfuracard micro crude oil earlier and spray into to stir in 30.0 kilograms of white carbons and be made into the former powder of Benfuracard micro, add 30.3 kilograms of sodium bentonites, 1.2 kilograms of the former medicines of 95% Tebuconazole, 5.0 kilograms of NNO diffusants more respectively, draw back 2.0 kilograms in powder, 0.1 kilogram of polyvinylpyrrolidone, 1.5 kilograms of acid scarlets, Macrogol 4000 #1.0 kilogram, hydroxyethylcellulose stir for 2.0 kilograms, put into airslide disintegrating mill then and pulverize, and obtain required dry-powder seed coating agent through mixing again.This dry-powder seed coating agent is given the corn seed dressing with 1: 150 pesticide-seeds ratio, can prevent and kill off various soil insects, black silk disease and smut well.
Embodiment nine: take by weighing 37.7 kilograms of 93% Benfuracard micro crude oil earlier and spray into to stir in 47.7 kilograms of white carbons and be made into the former powder of Benfuracard micro, add 5.0 kilograms of M-9 diffusants, 3.0 kilograms of K12 wetting agents, 0.1 kilogram of polyvinylpyrrolidone, 2.5 kilograms of rhodamine toners, polyethylene glycol 8000 more respectively #3.0 kilogram, hydroxyethylcellulose stir for 1.0 kilograms, put into airslide disintegrating mill then and pulverize, and obtain required dry-powder seed coating agent through mixing again.This dry-powder seed coating agent both can directly be given corn, soybean, cotton, wheat, seed pelletings such as barley are anti-to eliminate aphis, blade face and soil insects such as wireworm also can be with 2% Tebuconazole dry-powder seed coating agents, 15% carbendazim tmtd suspension seed-coating agent, 0.5% Prochloraz suspension seed-coating agent, 10% Seedvax tmtd suspension seed-coating agent, 15% tmtd alkene azoles alcohol suspension seed-coating agent, 15% tmtd metalaxyl suspension seed-coating agent, sterilization kind clothing agent such as 20% carbendazim tmtd Triadimenol suspension seed-coating agent or 18% carbendazim tmtd Prochloraz suspension seed-coating agent are carried out compound dressing to reach desinsection to seed, the diseases prevention multiple effect.

Claims (4)

1. a crop seeds pest control contains 8-40% (weight) active constituent Benfuracard micro with kind of a clothing agent; 0.1-15% (weight) film forming agent gathers polyethylene glycol, polyvinyl alcohol, polyvinylpyrrolidone, hydroxyethylcellulose, equal polyvinyl acetate or polyacrylamide or their mixture; Add 1-5% (weight) stabilizing agent epoxychloropropane, epoxy castor oil or epoxidized soybean oil again; The compound of 5-15% (weight) emulsifier phosphoric acid ester anion surfactant and non-ionic surface active agent, wherein the phosphoric acid ester anion surfactant accounts for the 20-80% of emulsifier gross weight; 1-5% (weight) antifreeze glycol, propane diols, glycerine or urea; The alert toner acid scarlet of 0.5-3% (weight), disperse scarlet or rhodamine toner and excess water are made the agent of water and milk kind clothing through high speed shear.
2, according to claim a kind of clothing agent is characterized in that the emulsifier phosphoric acid ester anion surfactant that is adopted can be alkylphenol polyoxyethylene phosphoric acid ester or aralkyl phenol polyethenoxy ether phosphoric acid ester and salt thereof; The emulsifier non-ionic surface active agent that is adopted can be alkylphenol polyoxyethylene class, benzylphenol polyethenoxy ether class, phenethyl phenol polyethenoxy polyoxypropylene ethers, alkylphenol polyoxyethylene formaldehyde condensation products or aralkyl phenol polyethenoxy ether formaldehyde condensation products.
3, the emulsifier aralkyl phenol polyethenoxy ether phosphate according to the described employing of claim 2 is alkali metal salt or amine salt.
4, a kind of crop seeds pest control is with kind of a clothing agent, for containing active constituent Benfuracard micro 20-40% (weight); Add 2-10% (weight) wetting dispersing agent anion surfactant lignosulfonates, polycondensation naphthalene sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products, nekal or sour sodium or non-ionic surface active agent alkylaryl APEO or polyaryl phenol polyethenoxy ether again; The alert toner acid scarlet of 1-4% (weight), disperse scarlet, rhodamine toner; 0.1-8% (weight) film forming agent polyethylene glycol, polyvinyl alcohol resin, polyvinylpyrrolidone, hydroxyethylcellulose, homopolymerization vinyl acetate ester or polyacrylamide and surplus filler white carbon, diatomite or sodium bentonite form dry-powder seed coating agent through mixing to pulverize.
CNB2005100655004A 2005-04-08 2005-04-08 Seed coating agent containing benfuracarb Expired - Fee Related CN1311741C (en)

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