CN104770390A - Suspension seed coating agent - Google Patents
Suspension seed coating agent Download PDFInfo
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- CN104770390A CN104770390A CN201510114747.4A CN201510114747A CN104770390A CN 104770390 A CN104770390 A CN 104770390A CN 201510114747 A CN201510114747 A CN 201510114747A CN 104770390 A CN104770390 A CN 104770390A
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- coating agent
- fludioxonil
- pyraclostrobin
- clothianidin
- seed
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Abstract
The invention relates to a suspension seed coating agent, which is mainly used to control diseases and pests of crops such as peanut, corn, wheat, and the like. The suspension seed coating agent is composed of the following components in percentage by weight: 1 to 20% of pyraclostrobin, 1 to 20% of fludioxonil, and 1 to 60% of clothianidin; wherein the ratio of pyraclostrobin to fludioxonil is 1:5-5:1, the mass ratio of pyraclostrobin and fludioxonil to clothianidin is 1:1-1:20, the pyraclostrobin and fludioxonil have bactericidal activity, and clothianidin has pest-killing activity. The results of a great number of experiments show that the provided suspension seed coating agent can effectively increase the emergence rate after sowing, and is capable of well preventing the diseases and pests in the seedling stage.
Description
Technical field
The present invention relates to field of pesticide preparation, relate generally to a kind of suspension seed-coating agent, seed pelleting before sowing, for preventing and treating soil-borne disease and pest damage.
Background technology
In modern agricultural production, utilize to seed, seed coat agent carries out that chemicals treatment is that control soil insect and crops soil pass, one of the method for the economical and convenient of seed-borne disease.Seed coat agent is a kind of for crop or other plant seed treatment, the pesticidal preparations with film forming characteristics, and it can solidify to form at the surface of the seed the film being called kind of clothing.Seed coat agent imbibition and not dissolved in soil, normally germinate required moisture and air of seed is allowed to pass through, the material slow releasing such as contained agricultural chemicals and seed manure, can kill soil insect, seedling stage insect, there is control sprout term disease and systemic disease, improve percentage of seedgermination, promote the effects such as seedling healthy growth.
Suspension seed-coating agent is the one of seed coat agent, is a kind of flowable stable unit for uniform suspension be made up through wet pulverizing of pesticide original medicine, film forming agent, wetting agent, dispersant, thickener, colouring agent, filler and water.Because it is easy to use, safe, gain great popularity in the seed coat agent of numerous kinds.
The transfer of pyraclostrobin mainly through suppressing glucose phosphorylated relevant, and the mycelial growth of Antifungi, finally cause germ dead.The mechanism of action is unique, with existing bactericide without cross resistance.Bactericide resistance action group FRAC thinks that the mechanism of action of pyraclostrobin is the activity affecting the histidine kinase that osmotic pressure conditioning signal is correlated with in the world.
Fludioxonil belongs to phenylamide; for efficient, low toxicity, low-residual, the lasting period is long, insecticide-applying way is diversified, the wide spectrum systemic fungicide of the equal excellence of protection and result for the treatment of; cauline leaf process, seed treatment and soil treatment can be made, have aobvious control efficiency of removing from office to the crop pest that downy mildew, phytophthora, pythium spp etc. cause.
Clothianidin belongs to Phenylpyrazole insecticides, have tag, stomach toxicity and moderate systemic action, insecticidal spectrum is wide, mainly hinders the fluoride metabolism that insect γ-aminobutyric acid controls, effectively can prevent and treat the common important pests in the farmland such as mole cricket, thrips for seed treatment.
Crops, from being seeded into results, not only facing the harm of all kinds of disease, worm, grass, but also are subject to the harm of birds, muroid.Under the prerequisite ensureing preventing disease pest control, how to accomplish rat destruction, drive bird, significant in agricultural production.
Summary of the invention
The object of the invention is to provide a kind of suspension seed-coating agent, uses, has desinsection, bactericidal effect, improve percentage of seedgermination for the seed pelleting before plant seed sowing, ensures that seedling stage, crop was not subject to soil-borne disease and pest damage.
For realizing object of the present invention, the present invention adopts following technical scheme: a kind of suspension seed-coating agent, be calculated in mass percent, active component and content are respectively pyraclostrobin 1-20%, fludioxonil 1-20%, clothianidin 1-60%, other components are nonactive additive, mainly comprise the common pesticidal preparations additives such as dispersant, film forming agent, colouring agent, thickener, antifreezing agent, preservative, defoamer.
In order to promote that between particles of active components, wetting and dispersing prevents its phase inter coagulation, composition pesticide of the present invention also comprises wetting dispersing agent, described wetting dispersing agent is preferably fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, polyoxyethylene fatty acid, alkylaryl polyglycol ether, alkylsulfonate, arylsulphonate, fatty acid polyglycol ethylene glycol, dodecyl benzene sulfonate, polyoxyethylene groups phenol formaldehyde condensate, polyoxyethylene poly-oxygen propylene aether block copolymer, naphthalene or alkyl naphthalene formaldehyde condensate sulfonates, aliphatic alcohol polyoxyethylene sulfonate, alkylphenol polyoxyethylene sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane additive product phosphate, alkylphenol polyoxyethylene phosphate, the mixing of one or more in alkylphenol polyoxyethylene formaldehyde condensation products sulphate.
Acting on seed and root, difficult drop-off and dispersing to ensure that limited farm chemical ingredients is concentrated, decreasing agricultural chemicals diffusion in the environment and to the contact of non-target target, described suspension seed-coating agent also needs to comprise film forming agent.Described film forming agent should ensure that institute's ready-made clothes film is ventilative, good water permeability, and normal seed germination grows, and ensure that institute's ready-made clothes film is insoluble in water again, active component energy slow releasing in clothing film, efficiency time is long.The mixing of one or more in gum Arabic, animal glue, pectin, xanthans, methylcellulose, ethyl cellulose, sodium carboxymethylcellulose, hydroxypropyl cellulose, sodium alginate, polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate is preferably according to film forming agent of the present invention.
Colouring agent is also known as alert toner, and can improve the use safety of suspension seed-coating agent, wherein said colouring agent is preferably the mixing of one or more in basic rhodamine, water-based rhodo, acid scarlet.
Suspension seed-coating agent of the present invention also comprises thickener, to improve the viscosity of dispersion medium, reduces the settling velocity of particle, thus improves the stability of preparation.Preferably, described tackifier is the mixing of one or more in xanthans, gum Arabic, methylcellulose, carboxymethyl cellulose, hydroxyethylcellulose, hydroxypropyl cellulose, PAA, sodium alginate, polyvinyl alcohol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate, aluminium-magnesium silicate, bentonite.
In order to improve the stability of the low-temperature storage of seed coat agent, suspension seed-coating agent of the present invention also added antifreezing agent.Described antifreezing agent is the mixing of one or more in ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride, calcium chloride.
Defoamer of the present invention is the mixing of one or more in machine silicone, the fatty alcohol of C8-10, the saturated fatty acid of C10-20 and ester class thereof;
Described preservative is benzoic acid, benzaldehyde, Sodium Benzoate, Potassium Benzoate, sorbic acid, sodium salicylate, 2-xenol, parahydroxyben-zaldehyde 1, the mixing of one or more in 2-[4-morpholinodithio quinoline-3-ketone.
The preparation method of suspension seed-coating agent of the present invention is: by pyraclostrobin, fludioxonil, clothianidin through air-flow crushing, after wetting dispersing agent, film forming agent, colouring agent, thickener, antifreezing agent, preservative, defoamer and distilled water dissolve completely, drop into sand mill in proportion and grind 2 times, until it is 2-3 μm that the grain fineness of suspension reaches D50, D90 < 8 μm, obtains product.In actual medication process, the present invention can a situation arises determines the consumption that described suspension seed-coating agent is suitable according to local controlling object, and usual formulation rate is the mass ratio of seed coat agent and seed is 1: 50-100.
Suspension seed-coating agent prepared by the present invention is vivid redness, flowable suspension, and low temperature, heat storage stability are qualified, and heat storage resolution ratio is less than 5%, and suspensibility is greater than 90%, and wet screening test 98% is by 45 μm of standard screens, and grain fineness D50 is 2-3 μm.
After different seed coat agent active component mixing, each active component is due to the difference of composition, structure, physicochemical property, makes the synergy between each active component be typically expressed as synergistic effect, summation action or antagonism.So-called synergistic effect is exactly the mutual synergism between different material, and its effect produced is greater than the sum total of each composition effect; And summation action is exactly the sum total that its effect produced equals each composition effect; When antagonism refers to that two kinds of materials act on living organism, a kind of material disturbs the effect of another kind of material, or the effect of interfering with an opponent each other, makes the phenomenon that general effect declines.
The determination method of indoor bactericidal activity of the present invention is:
Adopt pastille medium therapy: the liquid 6mL getting each single dose and mixture series concentration, adds in the PDA medium of the 54mL being cooled to 45 DEG C, makes the pastille culture medium flat plate of required final concentration.Then produce 6mm diameter mycelia block from the cultivation cotton-wilt fusarium colony edge of 7 days, move on each serial pastille medium, mycelia faces down, and each process repeats for 4 times.Be disposed, the constant temperature biochemical cultivation case being placed in 25 ± 1 DEG C is cultivated.
Data analysing method adopts: the synergistic effect evaluating pharmacy mix according to the co-toxicity coefficient method (CTC) of Sun & Johnson (1960), namely CTC≤80 are antagonism, 80<CTC<120 is summation action, and CTC >=120 are synergistic effect.
Table 1, pyraclostrobin, fludioxonil and clothianidin mixture are to the toxicity test result of cotton-wilt fusarium.
From above technical scheme, suspension seed-coating agent of the present invention is composite as active ingredient using pyraclostrobin, fludioxonil, clothianidin, and bactericide can enough be had complementary advantages, and a drug can not only can also improve drug effect while controlling disease.
Insecticidal Activity method of the present invention is:
Peanut is adopted to connect worm method.Choose the chafer larva of indoor cultivation breeding, 3 instar larvaes, are inoculated in soil, and each process repeats for 4 times, and each process is no less than 10 larvas, process and are placed in indoor observation cultivation.
Insecticidal activity synergy evaluation method is: with reference to Huang Guoyang chief editor " pesticide test technology and evaluation method ", adopt dose,equivalent comparison method: to the LC50 value of target when medicament is alone, with being added with after synergist to the LC50 pH-value determination pH of target out in medicament, if little more alone than medicament of the LC50 value being added with synergist in medicament, just indicate synergistic effect.Its synergy size, represents with synergy index: LC50 value when LC50/ medicament adds synergist when synergy index=medicament is alone.Usually, synergy index is greater than 1 expression synergistic effect, is less than 1 for antagonism, is summation action between equaling 1.
Table 2, pyraclostrobin, fludioxonil and clothianidin mixture are to the Toxicity Determination result of peanut grub.
Experimentally situation analysis is known, and pyraclostrobin, fludioxonil, clothianidin three, according to the ratio of 1:1:1-1:1:20, all show synergistic effect.
Embodiment
The embodiment of the invention discloses a kind of suspension seed-coating agent, those skilled in the art can use for reference present disclosure, and suitable improving technique parameter realizes.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are all deemed to be included in the present invention.Product of the present invention is described by embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope product as herein described is changed or suitably change with combination, realize and apply the technology of the present invention.
In order to understand the present invention further, below in conjunction with embodiment, a kind of suspension seed-coating agent provided by the invention is described in detail.
Embodiment 1:8% pyraclostrobin fludioxonil clothianidin suspension seed-coating agent.
0.5% pyraclostrobin, 2% fludioxonil, 5.5% clothianidin, 2% dodecyl benzene sulfonate, 0.4%PVA, 2% azarin, 3%% xanthans, 2%% ethylene glycol, 0.2% preservative, 0.1% defoamer, surplus is distilled water.
Test and carry out in Guangdong Huizhou Peanut Fields, suspension seed-coating agent with pyraclostrobin, fludioxonil, clothianidin for the composite seed coat agent of active component, single dose is respectively 5% clothianidin suspension seed-coating agent, 2.5% pyraclostrobin suspension seed-coating agent, 2% fludioxonil seed coat agent, each suspension seed-coating agent test seed and experimental enviroment all identical.
Test situation is as follows, and according to registration product testing amount ratio comparatively, above three single dose treatment regions all have fusarium wilt, grub soil insect occurs.0.5% pyraclostrobin 2% fludioxonil 5.5% clothianidin treatment region occurs without damage by disease and insect.Obviously comparatively mixture treatment region is poor to the control of slijmziekte and root rot for single dose treatment region, and mixture comparatively single dose process obviously has controlling disease advantage.For the control of soil insect, single dose clothianidin and the clothianidin no significant difference containing mixture.Comprehensive above-mentioned test situation is known, and 0.5% pyraclostrobin 2% fludioxonil 5.5% clothianidin mixture has good pest control treatment effect.
Embodiment 2:8% pyraclostrobin fludioxonil clothianidin suspension seed-coating agent.
1.0% pyraclostrobin, 1.5% fludioxonil 5.5% clothianidin, 3.0%PVA, 0.2% xanthans, 3.0% ethylene glycol, 0.3% defoamer, 0.3% Sodium Benzoate, 1% azarin, distilled water adds to 100%.
Test and carry out in yueyang, hunan corn field, suspension seed-coating agent with pyraclostrobin, fludioxonil, clothianidin for the composite seed coat agent of active component, single dose is respectively 5% clothianidin suspension seed-coating agent, 2.5% pyraclostrobin suspension seed-coating agent, 2% fludioxonil seed coat agent, each suspension seed-coating agent test seed and experimental enviroment all identical.
Test situation is as follows, and according to registration product testing amount ratio comparatively, obviously comparatively mixture treatment region is poor to the control of fusarium root rot of maize for single dose treatment region, and mixture comparatively single dose process obviously has controlling disease advantage.For the control of soil insect, single dose clothianidin and the clothianidin no significant difference containing mixture, can both have better control efficiency to cutworm and grub.Comprehensive above-mentioned test situation is known, and 1% pyraclostrobin 1.5% fludioxonil 5.5% clothianidin mixture has good pest control treatment effect.
Embodiment 3:10% pyraclostrobin fludioxonil clothianidin suspension seed-coating agent.
2.0% pyraclostrobin, 2.5% fludioxonil 5.5% clothianidin, 3.0%PVA, 0.2% xanthans, 3.0% ethylene glycol, 0.3% defoamer, 0.3% Sodium Benzoate, 1% azarin, distilled water adds to 100%.
Test and carry out in Henan wheat field, suspension seed-coating agent with pyraclostrobin, fludioxonil, clothianidin for the composite seed coat agent of active component, single dose is respectively 5% clothianidin suspension seed-coating agent, 2.5% pyraclostrobin suspension seed-coating agent, 2% fludioxonil seed coat agent, each suspension seed-coating agent test seed and experimental enviroment all identical.
Test situation is as follows, and 2% pyraclostrobin 2.5% fludioxonil 5.5% clothianidin treatment region occurs without the plague of rats.Obviously comparatively mixture treatment region is poor to the control of Wheat Seedling disease for single dose treatment region, and mixture comparatively single dose process obviously has controlling disease advantage.For soil insect wireworm and early stage aphid control, single dose clothianidin and containing the clothianidin no significant difference of mixture, can both have better control efficiency to cutworm and grub.Comprehensive above-mentioned test situation is known, and 2% pyraclostrobin 2.5% fludioxonil 5.5% clothianidin mixture has good pest control treatment effect, has simultaneously and drives bird, repellent effect preferably.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (3)
1. a suspension seed-coating agent, is characterized in that: active component is azoles kresoxim-methyl and fludioxonil and clothianidin, and when being mainly used in planting seed, dressing uses.
2. a kind of suspension seed-coating agent according to claim 1, it is characterized in that: the mass ratio that pyraclostrobin, fludioxonil, clothianidin account for this suspension seed-coating agent is respectively 1-20%, 1-20%, 1-60%, wherein have the pyraclostrobin of fungicidal activity, the proportion of fludioxonil is 1:5-5:1, having the pyraclostrobin of bactericidal activity, fludioxonil is 1:1-1:20 with the clothianidin mass ratio of insecticidal activity.
3. a kind of suspension seed-coating agent according to claim 1, is characterized in that: when planting seed, dressing uses, for preventing and treating sprout term disease and insect pest.
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| CN201510114747.4A CN104770390A (en) | 2015-03-16 | 2015-03-16 | Suspension seed coating agent |
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| CN201510114747.4A CN104770390A (en) | 2015-03-16 | 2015-03-16 | Suspension seed coating agent |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105265471A (en) * | 2015-11-05 | 2016-01-27 | 山东棉花研究中心 | Disease resistance and insect prevention composition containing ganoderan and clothianidin |
| CN105851031A (en) * | 2016-05-26 | 2016-08-17 | 洛阳市嘉创农业开发有限公司 | Suspended seed coating agent containing fludioxonil and pyraclostrobin |
| CN106359419A (en) * | 2016-08-31 | 2017-02-01 | 陕西西大华特科技实业有限公司 | Composition containing rynaxypyr, fludioxonil and pyraclostrobin, suspended seed coating and preparation method of suspended seed coating |
| CN106689200A (en) * | 2016-12-19 | 2017-05-24 | 安徽丰乐农化有限责任公司 | Suspension bird repellent and preparation method thereof |
| CN106900735A (en) * | 2017-01-20 | 2017-06-30 | 广东中迅农科股份有限公司 | A kind of Seed Treatment agricultural chemicals |
| CN107258776A (en) * | 2017-06-29 | 2017-10-20 | 山东大农药业有限公司 | A kind of sustained releasing pesticide granule and preparation method thereof |
| CN112471157A (en) * | 2020-11-27 | 2021-03-12 | 山东仕邦农化有限公司 | 7% Chlorantrodia, clothianidin and pyrazole seed treatment suspending agent |
| CN112674108A (en) * | 2021-01-08 | 2021-04-20 | 河南美一稼农业科技有限公司 | Compound seed coating agent |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105265471A (en) * | 2015-11-05 | 2016-01-27 | 山东棉花研究中心 | Disease resistance and insect prevention composition containing ganoderan and clothianidin |
| CN105265471B (en) * | 2015-11-05 | 2017-12-22 | 山东棉花研究中心 | A kind of disease-resistant, insect-prevention composition containing GL-B and clothianidin |
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| CN106359419A (en) * | 2016-08-31 | 2017-02-01 | 陕西西大华特科技实业有限公司 | Composition containing rynaxypyr, fludioxonil and pyraclostrobin, suspended seed coating and preparation method of suspended seed coating |
| CN106689200A (en) * | 2016-12-19 | 2017-05-24 | 安徽丰乐农化有限责任公司 | Suspension bird repellent and preparation method thereof |
| CN106689200B (en) * | 2016-12-19 | 2020-03-27 | 安徽丰乐农化有限责任公司 | Suspended bird repellent and preparation method thereof |
| CN106900735A (en) * | 2017-01-20 | 2017-06-30 | 广东中迅农科股份有限公司 | A kind of Seed Treatment agricultural chemicals |
| CN107258776A (en) * | 2017-06-29 | 2017-10-20 | 山东大农药业有限公司 | A kind of sustained releasing pesticide granule and preparation method thereof |
| CN112471157A (en) * | 2020-11-27 | 2021-03-12 | 山东仕邦农化有限公司 | 7% Chlorantrodia, clothianidin and pyrazole seed treatment suspending agent |
| CN112674108A (en) * | 2021-01-08 | 2021-04-20 | 河南美一稼农业科技有限公司 | Compound seed coating agent |
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Application publication date: 20150715 |
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