CN105961425B - A kind of suspension seed-coating agent containing fludioxonil and Diacloden and preparation method thereof - Google Patents

A kind of suspension seed-coating agent containing fludioxonil and Diacloden and preparation method thereof Download PDF

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CN105961425B
CN105961425B CN201610617109.9A CN201610617109A CN105961425B CN 105961425 B CN105961425 B CN 105961425B CN 201610617109 A CN201610617109 A CN 201610617109A CN 105961425 B CN105961425 B CN 105961425B
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agent
coating
suspension seed
seed
diacloden
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CN105961425A (en
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王爱臣
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Huizhou Yinnong Technology Co Ltd
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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
    • 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
    • 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
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • 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
    • A01N43/34Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Toxicology (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention belongs to technical field of pesticide, and in particular to a kind of suspension seed-coating agent containing fludioxonil and Diacloden and preparation method thereof.The suspension seed-coating agent containing fludioxonil and Diacloden that the present invention is provided, is made up of following component and its percentage by weight:Fludioxonil 2.3 3.0%, Diacloden 21.5 24%, wetting dispersing agent 2~10%, thickener 0.05~2%, antifreezing agent 3~6%, colouring agent 0.1~2%, film forming agent 0.5~5%, balance of water.The suspension seed-coating agent coating uniformity that the present invention is provided is high, and coating expulsion rate is low, and suspension stability is excellent, for the coating of cotton seeds, can improve the emergence rate after sowing cotton seed, has good preventive effect to seedling stage diseases and pests.

Description

A kind of suspension seed-coating agent containing fludioxonil and Diacloden and preparation method thereof
Technical field
The invention belongs to technical field of pesticide, more particularly to a kind of suspension seed-coating agent containing fludioxonil and Diacloden and its Preparation method.
Background technology
Seed treatment be a class be used for the surface of the seed treatment the formulations of pesticide, with insecticide, the single dose of bactericide or its Mixture is active ingredient, with reducing peasant field operation sequence, prevention and elimination of disease and pests, improve emergence rate and seedling percent, The advantages of lasting medicine and reduction environmental pollution, in the world by large-scale popularization application.It is domestic at present to be promoted in seed treatment The maximum formulation of the most extensive and usage amount is suspension seed-coating agent.Suspension seed-coating agent as water baseization preparation, with efficiently, peace Entirely, the features such as environmental protection, compared with traditional seed soaking agent, seed dressing, have the advantages that to be coated that expulsion rate is relatively low and good drug efficacy, use It is coated to vegetable seeds, you can realizes the sustained release to agricultural chemicals, can be also used together with other agricultural chemicals or chemical fertilizer, realizes many Functionalization.
Suspension seed-coating agent is the requirement to pest and disease damage according to Different Crop, from suitable active ingredient and auxiliary agent, is passed through That is processed into has a kind of aqueous suspension preparation for being coated performance.The active ingredient of suspension seed-coating agent is usually insecticide and sterilization Agent, common insecticide is organophosphorus insecticides in existing suspension seed-coating agent registration, such as carbofuran, thimet, phoxim, poison Dead barnyard grass and orthene etc.;Common bactericide has carbendazim, thiram, Mancozeb, Bravo, triazolone and metalaxyl Deng.
Fludioxonil is a kind of contact bactericide, can suppress fungi bacterium by suppressing the relevant transhipment of glucose phosphorylated Mycelial growth, ultimately results in germ dead.Fludioxonil mechanism of action is unique, while it is not interacted with other known bactericide Resistance, the lasting period is long, can be used for the fungal disease of Seed Treatment, preventing and treating seed-borne fungi and soil-borne.
Diacloden is a kind of second generation nicotinoids high-efficient low toxicity insecticide of brand new, and alternative suppresses insect maincenter Nervous system nicotinic acetylcholine esterase acceptor, and then the normal conduction of insect CNS is blocked, cause insect to occur It is dead during paralysis machine.Diacloden not only have to insect tag, stomach toxicity, systemic activity, and with than generation nicotinoids desinsection Agent active, more preferable security higher and wider array of insecticidal spectrum, at the same also there is work fast, the features such as the lasting period is long, With imidacloprid, Acetamiprid, alkene pyrrole worm amine no interactions resistance, to crop safety, can be used for cauline leaf process, Seed Treatment and soil and fill Root treatment.
The A of Chinese patent application CN 103300042 disclose a kind of suspension seed-coating agent of disinsection prophylaxis, by fludioxonil and Clothianidin, thiacloprid or Thiamethoxam compound, add appropriate amount of addition agent to be made suspension seed-coating agent, can be used to prevent and treat corn, Wheat Seedling Insect and bakanae disease.The A of Chinese patent application CN 102726434 disclose a kind of and effect suspension seed-coating agent, and its active ingredient is Diacloden and fludioxonil, can be used to prevent and treat subterranean pest-insect such as grub, mole cricket, the acupuncture needle of the crops such as peanut, corn, wheat, paddy rice Worm etc.;The suckings pest such as preventing and treating seedling stage aphid, small brown rice planthopper, thrips, powdery mildew, leafhopper;Prevent and treat droop, banded sclerotial blight, Full rot, rice blast, bacterial wilt etc..
In suspension seed-coating agent, auxiliary agent is important part, has critical status, auxiliary agent in suspension seed-coating agent Species and consumption will directly influence property, quality and the purposes of suspension seed-coating agent.Existing suspension seed-coating agent is applied to plant During attached bag clothing, because auxiliary agent selects incorrect, it is low to be commonly present film strength, product poor fluidity, and the seed drying after coating is slow, Film forming is uneven, the problems such as film wears no resistance, causes agricultural chemicals to be come off in the surface of the seed skewness, easy powdering, dust Seriously, there is very big toxicity to processing and packer, coatings are also easily lost in because of irrigation and rainwater, when seed is sprouted When, the active ingredient such as agricultural chemicals remains little, it is wasting simultaneously, pollute environment;Although and partial suspended seed coat agent its into Film-strength is high, but bad adhesion, and seed pelleting is difficult to drying, and film is poor with seed affinity, easy fall in flakes.Simultaneously as , there is the suspension stability sides such as dispersion is uneven, sedimentation is fast in suspension seed-coating agent storing process in the reason such as formula and process technology The problem in face, makes active ingredient be difficult to stepless action on seed, and influences to be coated outward appearance.
The content of the invention
To solve problems of the prior art, inventor is by lot of experiments to fludioxonil and Diacloden suspended seed coating The auxiliary component and preparation technology of agent are screened and optimized, there is provided a kind of suspended seed coating containing fludioxonil and Diacloden Agent and preparation method thereof.The suspension seed-coating agent coating uniformity for providing of the invention is high, coating expulsion rate is low, and suspension stability is excellent, It is coated for cotton seeds, the germination percentage of cotton seeds can be improved.
To realize the purpose of the present invention, technical solution of the present invention is as follows:
A kind of suspension seed-coating agent containing fludioxonil and Diacloden, it is characterised in that by following component and its weight percent Than composition:Fludioxonil 2.3-3.0%, Diacloden 21.5-24%, wetting dispersing agent 2~10%, thickener 0.05~2% are antifreeze Agent 3~6%, colouring agent 0.1~2%, film forming agent 0.5~5%, balance of water;
Wherein, the film forming agent is selected from self-control film forming agent, pulullan polysaccharide, bletilla polysaccharide, shitosan, Arabic gum, bright Glue, polyvinyl alcohol, hydroxymethyl cellulose, polyvinylpyrrolidone, one or more of sodium alginate.
Preferably, the preparation method of the self-control film forming agent is:By mass percentage, 2% vinylacetate, 6% are taken Acrylate, 2% styrene and 89.2% distilled water, add 0.8% catalyst dibutyltin dilaurylate after being sufficiently stirred for, temperature Degree rises to 83 DEG C, and the translucent thick liquid of blue-fluorescence is obtained after reaction 2.5h, and PH is adjusted when fluid temperature is down to room temperature Value is obtained final product to 7.
Film forming agent is one of the key factor for being related to coating effect and coating quality, and inventor is carrying out lot of experiments sieve During selecting appropriate film forming agent, it is found that conventional film forming agent shitosan, Arabic gum, gelatin, polyvinyl alcohol, methylol are fine Dimension element, polyvinylpyrrolidone and sodium alginate are respectively provided with certain film-formation result, can be applied to prepare containing fludioxonil and thiophene The suspension seed-coating agent of worm piperazine.
But cause the suspension seed-coating agent for preparing easily to separate out it has also been found that shitosan is poor due to water solubility in process of the test Crystal, suspension stability aspect still has much room for improvement;And the suspension kind prepared as film forming agent using Arabic gum and gelatin When clothing agent is used for seed pelleting, coating uniformity is low, and coating expulsion rate is higher, and it is coated performance has much room for improvement.Meanwhile, in experiment During, inventors be surprised to learn that, pulullan polysaccharide and bletilla polysaccharide also can be applied to suspension seed-coating agent as film forming agent, and originally The homemade film forming agent of inventor, is remarkably improved suspension seed-coating agent coating uniformity and reduces coating expulsion rate.Inventor is entering During the compounding experiment of row film forming agent, find shitosan, pulullan polysaccharide and Arabic gum by weight 0.30-0.40:0.45- 0.70:During 1 compounding use, the harmony with other auxiliary agents in formula is good, can take into account the requirement of caking property and filming performance, and Coordinative role can be produced with thickener, the stability of suspension seed-coating agent, and the good film forming of energy can be both improved, for kind of an attached bag Clothing coating uniformity is high and coating expulsion rate is low.
Preferably, the thickener is selected from one or more in xanthans, aluminium-magnesium silicate and attapulgite.More preferably , it is the mixture of aluminium-magnesium silicate and attapulgite, its weight ratio is 0.28-0.42:1.
Preferably, the wetting dispersing agent be selected from SP-2700, SP-SC3, SP-SC29, SP-63R, Tersperse2500, One or more in Tersperse2210, Tersperse4894 and lignin sulfonic acid sodium salt.
Suspension seed-coating agent dispersion belongs to a kind of unstable and divides between colloidal dispersion system and coarse dispersion system Prose style free from parallelism system.Particle surface product is big in system, and its surface free energy is also big, and in the case where wetting dispersing agent is added without, particle exists There is cohesion under van der Waals interaction and accelerate to sink, as the agglutinator for sinking increases, system can be destroyed and cause precipitation existing As occurring.
By substantial amounts of experiment sieving, SP-2700, SP-SC3, SP-SC29, SP-63R, Tersperse2500, Tersperse2210, Tersperse4894 and lignin sulfonic acid sodium salt are respectively provided with preferable hydrophilicity, can be coughed up by change The surface property of bacterium nitrile and Diacloden, in enabling fludioxonil and Diacloden to evenly spread to water, with good wetting and dispersing Performance.
Wooden sodium sulfonate can carry solids by the absorption on fludioxonil and Diacloden solid particle surfaces Identical electric charge, forms the electricity base for hindering particle coacervation, the solids in suspension seed-coating agent is come from gathering again automatically Promote the stabilization of suspension system.But found in process of the test, if to reach corresponding wetting and dispersing effect, wooden sodium sulfonate Addition it is bigger than normal, at least 9%, and on the one hand, the increase that Reveal has colloid property, addition can cause body The viscosity of system increases, and the coating performance to suspension seed-coating agent can affect, and on the other hand will be unfavorable for solids It is levigate, the extension of preparation process milling time.
Find that Tersperse2500 and lignin sulfonic acid sodium salt compare 0.12-0.38 with weight by substantial amounts of experiment:1 answers During with using, can well improve above mentioned problem, not only contributing to solids levigate, moreover it is possible to which effectively control is sanded liquid Viscosity, so that improve production efficiency, meanwhile, by Tersperse2500 and the synergy of lignin sulfonic acid sodium salt, by adding Plus a small amount of compounding wetting dispersing agent just can effectively prevent intergranular reunion and sedimentation, reduce particle surface free energy and make System forming thermodynamic stable system, is greatly enhanced the suspension stability of fludioxonil and Diacloden suspension seed-coating agent.
Preferably, the antifreezing agent is selected from one or more, in ethylene glycol, propane diols, glycerine, sodium chloride and urea
Preferably, the colouring agent is selected from basic rhodamine, one or more of acid scarlet and acid brilliant blue.
Preferably, the suspension seed-coating agent is also including preservative that percentage by weight is 0.05~0.5% and/or weight hundred Divide than the defoamer for 0.05~0.5%.The preservative is selected from Kathon CG, Sodium Benzoate and sodium salicylate etc.;The defoamer Selected from AF1500, organic defoamer 1860 and 1840 etc..
Correspondingly, the present invention also provides a kind of preparation method of the suspension seed-coating agent containing fludioxonil and Diacloden, including Following steps:1) by the water of 60-70%, wetting dispersing agent and antifreezing agent addition reaction vessel in formula, stir and evenly mix;2) add Enter fludioxonil and Diacloden, homogenizer homogeneous 20-30min to be pumped into and be ground to particle diameter D98≤4 μm in sand mill;3) will be remaining Water, thickener, coloring agent, film forming agent, defoamer and preservative are mixed, homogenizer homogeneous 10-15min, add grind while stirring In material after mill, 8-15min is stirred, obtained final product.
Compared with prior art, the beneficial effects of the present invention are screening and compounding by auxiliary agent, there is provided one kind tool There are suspension seed-coating agent containing fludioxonil and Diacloden of excellent stability and preparation method thereof, the suspended seed coating that the present invention is provided Agent safety and environmental protection and coating uniformity is high, is coated that expulsion rate is low, and suspension stability is excellent, for the coating of cotton seeds, can improve Seedling stage diseases and pests are had good preventive effect by the emergence rate after sowing cotton seed.
Specific embodiment
Below by way of the description of specific embodiment, the present invention is described in further detail, but this is not to this hair Bright limitation, those skilled in the art's basic thought of the invention, various modifications may be made or improves, but as long as not Depart from basic thought of the invention, within the scope of the present invention.
In the embodiment of the present invention unless otherwise specified, all raw materials are commercial products, such as SP-2700, SP-SC3, SP- SC29 and SP-63R be purchased from Jiangsu Sinvochem S&D Co., Ltd., Tersperse2500, Tersperse2210 and Tersperse4894 steps the easy (Shanghai) Co., Ltd. of public affairs industry and trade purchased from Hensel, and AF1500 is purchased from Guangzhou Fang Zhong Chemical Co., Ltd.s.
A kind of suspension seed-coating agents containing fludioxonil and Diacloden of embodiment 1-4
Suspension seed-coating agent described in the embodiment of the present invention 1-5 component and its percentage by weight described in table 1 are constituted:
The embodiment 1-4 suspended seed coating agent prescriptions of table 1
Preparation method:
1) by 70% water, wetting dispersing agent and antifreezing agent addition reaction vessel in formula, stir and evenly mix;
2) fludioxonil and Diacloden, homogenizer homogeneous 30min is added to pump into and be ground to particle diameter D98≤4 μm in sand mill;
3) remaining water, thickener, coloring agent, film forming agent, defoamer and preservative are mixed, homogenizer homogeneous 12min, Add while stirring in the material after grinding, stir 10min, obtain final product.
The investigation of the film forming agent of embodiment 5
The present invention to largely having carried out experiment sieving to film forming agent, in addition to film forming agent, remaining component and its percentage by weight With embodiment 4, different types of film forming agent is separately added into, suspension seed-coating agent is prepared by the preparation method of embodiment 4.
According to National Standard of the People's Republic of China GB/T 17768-1999《Suspension seed-coating agent product standard writes specification》 In " coating uniformity, be coated expulsion rate, low-temperature stability and heat storage stability " experiment and determination methods, to obtained suspension Seed coat agent sample is investigated.Investigation the results are shown in Table 2.
The investigation result of the film forming agent of table 2
It can be seen from the result of table 2, bletilla polysaccharide and pulullan polysaccharide as fludioxonil and Diacloden suspension seed-coating agent into Film, coating uniformity is good, and coating expulsion rate is low, and stability is good.Suspended as fludioxonil and Diacloden from self-control film forming agent The film forming agent of seed coat agent, can be greatly improved the coating uniformity of suspension seed-coating agent and reduce coating expulsion rate, and stability is excellent.And With shitosan, pulullan polysaccharide and Arabic gum with weight ratio be 0.35:0.60:1 is compounded as fludioxonil and Diacloden The film forming agent of suspension seed-coating agent, coating uniformity is 98%, and it is 1% to be coated expulsion rate, and low-temperature stability and heat storage stability are equal It is the optimal film forming agent of fludioxonil and Diacloden suspension seed-coating agent for excellent.
The germination test of the cotton seeds of embodiment 6
Example 1-4 prepare containing fludioxonil and Diacloden suspension seed-coating agent, with 1:100 pesticide-seeds ratio, to cotton Seed is coated.And according to People's Republic of China (PRC) agricultural industry criteria NY/T 1385-2007《Cotton seeds fast germination Test method》Germination to cotton seeds is tested, and each sample is carried out repeating four experiments, and seed number is tested every time It is 100.Experimental result is shown in Table 3 cotton seeds fast germination's experimental records.
The cotton seeds fast germination's experimental record of table 3
Sample The seed (%) of normal germination The seed (%) of abnormal germination The seed (%) not germinateed Germination percentage (%)
Embodiment 1 95 1 4 96
Embodiment 2 97 0 3 97
Embodiment 3 97 0 3 97
Embodiment 4 99 0 1 99
It is uncoated seed 88 4 8 92
As seen from the results in Table 3, with the present invention prepare containing fludioxonil and Diacloden suspension seed-coating agent to cotton kind Son is coated, and can improve the germination percentage after sowing cotton seed, reduces the abnormal germination percentage of seed, has to seedling stage diseases and pests fine Preventive effect.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert Specific implementation of the invention is confined to these explanations.For general technical staff of the technical field of the invention, On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should be all considered as belonging to of the invention Protection domain.

Claims (8)

1. a kind of suspension seed-coating agent containing fludioxonil and Diacloden, it is characterised in that by following component and its percentage by weight Composition:Fludioxonil 2.3-3.0%, Diacloden 21.5-24%, wetting dispersing agent 2~10%, thickener 0.05~2%, antifreezing agent 3~6%, colouring agent 0.1~2%, film forming agent 0.5~5%, balance of water;
Wherein, the film forming agent is selected from self-control film forming agent or shitosan, pulullan polysaccharide and Arabic gum by weight 0.30- 0.40:0.45-0.70:1 mixture being mixed to get;
It is described self-control film forming agent preparation method be:By mass percentage, 2% vinylacetate, 6% acrylate, 2% are taken Styrene and 89.2% distilled water, add 0.8% catalyst dibutyltin dilaurylate after being sufficiently stirred for, temperature rises to 83 DEG C, The translucent thick liquid of blue-fluorescence is obtained after reaction 2.5h, adjusts pH value to 7 when fluid temperature is down to room temperature, obtained final product.
2. suspension seed-coating agent according to claim 1, it is characterised in that the wetting dispersing agent is selected from SP-2700, SP- SC3, SP-SC29, SP-63R, Tersperse2500, Tersperse2210, Tersperse4894 and lignin sulfonic acid sodium salt In one or more.
3. suspension seed-coating agent according to claim 2, it is characterised in that the wetting dispersing agent is Tersperse2500 With the mixture of lignin sulfonic acid sodium salt, its weight ratio is 0.45-0.6:1.
4. suspension seed-coating agent according to claim 1, it is characterised in that the thickener is selected from xanthans, aluminium-magnesium silicate With one or more in attapulgite.
5. suspension seed-coating agent according to claim 4, it is characterised in that the thickener is aluminium-magnesium silicate and attapulgite Mixture, its weight ratio be 0.28-0.42:1.
6. suspension seed-coating agent according to claim 1, it is characterised in that the antifreezing agent is selected from ethylene glycol, propane diols, third One or more in triol, sodium chloride and urea;The colouring agent is selected from basic rhodamine, acid scarlet and acid brilliant blue One or more.
7. according to any described suspension seed-coating agents of claim 1-6, it is characterised in that also including percentage by weight be 0.05~ 0.5% preservative and/or percentage by weight are 0.05~0.5% defoamer.
8. the preparation method of suspension seed-coating agent according to claim 7, it is characterised in that the preparation method includes as follows Step:1) by the water of 60-70%, wetting dispersing agent and antifreezing agent addition reaction vessel in formula, stir and evenly mix;2) add and cough up Bacterium nitrile and Diacloden, homogenizer homogeneous 20-30min to be pumped into and be ground to particle diameter D98≤4 μm in sand mill;3) by remaining water, Thickener, coloring agent, film forming agent, defoamer and preservative are mixed, homogenizer homogeneous 10-15min, after adding grinding while stirring Material in, stir 8-15min, obtain final product.
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CN103004805A (en) * 2012-12-11 2013-04-03 青岛东生药业有限公司 Seed treatment dispersible powder
CN103300042A (en) * 2012-03-06 2013-09-18 陕西韦尔奇作物保护有限公司 Insecticidal and disease-preventing suspended seed coating agent
CN103392696A (en) * 2013-06-30 2013-11-20 广东中迅农科股份有限公司 Special slow release film-forming agent for suspension seed coating agent

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103300042A (en) * 2012-03-06 2013-09-18 陕西韦尔奇作物保护有限公司 Insecticidal and disease-preventing suspended seed coating agent
CN103004805A (en) * 2012-12-11 2013-04-03 青岛东生药业有限公司 Seed treatment dispersible powder
CN103392696A (en) * 2013-06-30 2013-11-20 广东中迅农科股份有限公司 Special slow release film-forming agent for suspension seed coating agent

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Denomination of invention: Suspended seed coating agent containing fludioxonil and thiamethoxam and preparation method of suspended seed coating agent

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