CN102334488B - Insect-killing and disease-preventing suspension seed coating formulation - Google Patents
Insect-killing and disease-preventing suspension seed coating formulation Download PDFInfo
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Abstract
The invention relates to the field of a pesticide preparation, discloses an insect-killing and disease-preventing suspension seed coating formulation, and relates to a suspension seed coating formulation mixed by abamectin and tebuconazole serving as effective components and a preparation method thereof. The suspension seed coating formulation comprises the following components in percentage by weight: 0.1 to 15 percent of abamectin, 0.1 to 15 percent of tebuconazole, 1.0 to 8.0 percent of wetting dispersant, 1.0 to 10.0 percent of film forming agent, 1.0 to 10.0 percent of coloring agent, 0.1 to 2.0 percent of tackifier, 1.0 to 5.0 percent of antifreezing agent, 0.1 to 1.0 percent of preservative, 0.1 to 1.0 percent of antifoaming agent, and the balance of distilled water. The suspension seed coating formulation has the advantages of good pesticide effect, long persistent effect, high work efficiency, economy and safety, so that the environmental pollution can be reduced, the pesticide utilization is improved, and the pesticide usage is reduced. The seed coating formulation is convenient to use, can perform mechanical seed stirring and manual operation when processing seeds, so that the requirements of different users can be met.
Description
Technical field
The present invention relates to pesticidal preparations field, relate to specifically a kind of pesticidal disease-prevention suspending seed coating agent.
Background technology
In modern agricultural production, seed chemicals treatment is one of method of the native biography of control soil insect and crops, seed-borne disease economical and convenient.
Seed coating technology is a kind of very universal seed treatment new technology growing up in traditional seed soaking or seed dressing technical foundation.By the seed of dry or moisture state; wrap with compositions such as the agricultural chemicals that contains binding agent or fertilizer; make to form the protective layer with certain function and coated intensity outside seed; this process is called seed pelleting; the combination material that wraps in seed outside is referred to as seed coat agent, is a kind of for crop or pesticidal preparations other plant seed processing, that have film forming characteristics.Seed coat agent great advantage is to form more firmly film of one deck in seed outside.Imbibition is not and dissolved in soil for seed coat agent, and normal required moisture and the air that germinate of permission seed passes through, and the materials such as contained agricultural chemicals and seed manure slowly discharge.So seed coat agent has the soil insect of killing, seedling stage insect, control sprout term disease and systemic disease, improve percentage of seedgermination, promote seedling healthy growth, reduces the effects such as seed consumption, finally reaches preventing disease pest control, the strong sprout of keeping a full stand of seedings, improves the object of output.
The seed coat agent that Spread in China is used is various in style, but mostly has some problems, as Garrick show, when suitable happy, the function singleness such as seed dressing is two, only has prophylaxis effect, and operation technique complexity, dangerous to crop; Application number is that 98106559.7 Chinese patent discloses a kind of seed coat agent, and this seed coat agent has the effect of desinsection and sterilization simultaneously, but it does not possess the effect of prevention nematode and evil mite.
At present for preventing and treating the product Nemacur, gram line pellet, Furadan etc. of nematode, although better toxicity is higher for effect, dangerous to environment, and its prevention and treatment range is single, and plant disease is not had to effect.Along with growth in the living standard, the reinforcement of people's environmental protection consciousness, is therefore badly in need of that a kind of disinsection prophylaxis of exploitation is effective, toxicity is low, environmentally safe, has insecticides, miticides and nematicide and the seed coat agent of preventing and treating disease effect simultaneously.
Summary of the invention
In view of this, the object of the invention is to provide a kind of fast, environmentally friendly pesticidal disease-prevention suspending seed coating agent to nematode and soil insect special efficacy that decomposes.
For realizing object of the present invention, the present invention adopts following technical scheme:
A kind of pesticidal disease-prevention suspending seed coating agent, is comprised of Avermectin, Tebuconazole, wetting dispersing agent, film forming agent, colouring agent, tackifier, preservative, defoamer and distilled water, and wherein, it is as follows that each composition accounts for the percentage by weight of seed coat agent:
Preferably, it is as follows that the each composition of described suspension seed-coating agent accounts for the percentage by weight of seed coat agent:
Avermectin, English name Avermectins, be the class first developed by the large village of university, Japanese North intelligence etc. and U.S. Merck company by streptomyces griseus Streptomyces avermitilis fermentation in streptomycete, produced there is desinsection, kill mite, ten hexa-atomic Macrocyclic lactone compounds of eelworm-killing activity.Avermectin is a kind of efficient, the antibiotics insecticidal/acaricidal agent of wide spectrum, mite class and insect are had to stomach toxicity and action of contace poison, and there is a faint fumigation action, what its mechanism of action was different from general insecticide is that it disturbs neurophysiology activity, stimulate and discharge γ-aminobutyric acid, and γ-aminobutyric acid has inhibitory action to arthropodan nerve conduction, mite class becomes, if there is paralysis symptom after contacting with medicament with larva with insect in mite, inertia does not take food, dead after 2～4d, can effectively prevent and treat fruit tree, vegetables, the insect of the crops such as grain, worm as red in parasitism, diptera, coleoptera, Lepidoptera and pest mite etc., and obvious to root nematode effect.Avermectin has very strong osmosis to blade, can kill subepidermal insect, and the longevity of residure is long, though predatism and parasite are had to direct killing effect, but because of plant surface residual little to the damage of beneficial insect less.
Tebuconazole belongs to triazole bactericidal agent, it is sterol demethylation inhibitor, be the efficient germicide spraying for seed treatment or the page of Important Economic crop, can effectively prevent and treat multiple rust, powdery mildew, net blotch, root rot, head blight, the smut of cereal crop and plant passing zonate spot etc.It has protection, treats, roots out three large functions, and fungicidal spectrum is wide, the lasting period is long.
Suspension seed-coating agent of the present invention is composite as active ingredient using Avermectin and Tebuconazole, and the two is had complementary advantages, and is widely used in the seed treatment of the crops such as barley, wheat, corn, Chinese sorghum, paddy rice, can prevent and treat disease and can prevent again soil insect and evil mite.Preferred, the percentage by weight that described Avermectin accounts for suspension seed-coating agent is 3～10%, and the percentage by weight that described Tebuconazole accounts for suspension seed-coating agent is 2～10%.
In order to promote between particles of active components that prevent its phase inter coagulation wetting dispersion, suspension seed-coating agent of the present invention also comprises wetting dispersing agent.According to wetting dispersing agent of the present invention, it can be 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, one or more in alkylphenol polyoxyethylene phosphate or alkylphenol polyoxyethylene formaldehyde condensation products sulphate.Preferably, to account for the percentage by weight of suspension seed-coating agent be 5～7% to described wetting dispersing agent.
In order to guarantee that limited farm chemical ingredients is concentrated, act on seed and root, difficult drop-off and dispersing, has reduced the diffusion of agricultural chemicals in environment and the contact to non-target, and described suspension seed-coating agent also needs to comprise film forming agent.Described film forming agent should guarantee that institute's ready-made clothes film is ventilative, good water permeability, and normal seed germination growth, guarantees that institute's ready-made clothes film is insoluble in water again, and in clothing film, active component can slowly discharge, and efficiency time is long.According to film forming agent of the present invention, be preferably 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 or Sodium Polyacrylate.Preferably, to account for the percentage by weight of suspension seed-coating agent be 3～7% to described film forming agent.
Colouring agent claims again alert toner, can improve the use safety of suspension seed-coating agent, and wherein, described colouring agent is one or more in basic rhodamine, water-based rhodo, acid scarlet, Fluorescein red 5B, Red-8110, Red-131 or FGR-131.Preferably, to account for the percentage by weight of suspension seed-coating agent be 1.5～2% to described colouring agent.
Suspension seed-coating agent of the present invention also comprises tackifier, to improve the viscosity of dispersion medium, reduces the settling velocity of particle, thereby improves the stability of preparation.Preferably, described tackifier are 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 or bentonite.Preferably, to account for the percentage by weight of suspension seed-coating agent be 0.2～1% to described tackifier.
Suspension seed-coating agent of the present invention also comprises defoamer and preservative, and described defoamer is machine silicone, C
8-10fatty alcohol, C
10-20saturated fatty acid and ester class in one or more; Described preservative is benzoic acid, benzaldehyde, Sodium Benzoate, Potassium Benzoate, sorbic acid, sodium salicylate, 2-xenol, parahydroxyben-zaldehyde or 1, one or more in 2-[4-morpholinodithio quinoline-3-ketone.Preferably, the percentage by weight that described defoamer accounts for suspension seed-coating agent is 0.2～0.5%, and the percentage by weight that described preservative accounts for suspension seed-coating agent is 0.3～0.5%.
In order to improve the stability of low-temperature storage of seed coat agent, suspension seed-coating agent of the present invention can also add antifreezing agent, and the percentage by weight that described antifreezing agent accounts for seed coat agent is 1.0%～5.0%.Preferably, described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride or calcium chloride.Preferably, to account for the percentage by weight of suspension seed-coating agent be 2～4% to described antifreezing agent.
The preparation method of suspension seed-coating agent of the present invention is: by Avermectin and Tebuconazole process air-flow crushing, after wetting dispersing agent, film forming agent, colouring agent, tackifier, antifreezing agent, preservative, defoamer and water dissolve completely, drop in proportion sand mill and grind 2 times, until the grain fineness of suspension reaches D
50be 2～3 μ m, D
90< 8 μ m, obtain.
The prepared suspension seed-coating agent of the present invention is red 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 is greater than 98%, by 45 μ m standard screens, grain fineness D
50be 2～3 μ m.
Suspension seed-coating agent of the present invention is composite as active ingredient using Avermectin and Tebuconazole, there is good film-forming property, the advantage such as dressing is even, suspensibility is high, safety and low toxicity, can be widely used in the seed treatment of the crops such as barley, wheat, corn, Chinese sorghum, paddy rice, control plant evil mite, aphid, thrips etc. and above-mentioned various crop nematodiasis, rust, powdery mildew, net blotch, root rot, head blight, smut and kind pass the diseases such as zonate spot.With Avermectin and the comparison of Tebuconazole single dose, disinsection prophylaxis successful improves.The germination rate that can also improve seed simultaneously, with not dressing comparison, germination rate can improve 6～9%.Suspension seed-coating agent of the present invention is easy to use, processes kind of a period of the day from 11 p.m. to 1 a.m, both can dress seed by machinery, also can manual operation, can meet not user's needs.
Embodiment
The embodiment of the invention discloses a kind of pesticidal disease-prevention suspending seed coating agent.Those skilled in the art can use for reference content herein, suitably improve technological parameter and realize.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the artly, they are all deemed to be included in the present invention.Product of the present invention is described by preferred embodiment, and related personnel obviously can change product as herein described in content of the present invention, spirit and scope or suitably change and combination not departing from, and realizes and apply the technology of the present invention.
In order further to understand the present invention, below in conjunction with embodiment, the present invention is described in detail.According to the present invention, according to controlling object, a situation arises determines suitable consumption, and conventionally formulation rate is that the weight ratio of seed coat agent and seed is 1: 50～100.
Embodiment 1:5% A Wei penta suspension seed-coating agent (being mass fraction)
DA-675, DA-646 dissolve completely with distilled water, then add successively Avermectin, Tebuconazole active ingredient through air-flow crushing, and other auxiliary agent, enter sand mill and grind 2 times, until the grain fineness of suspension reaches D
50be 2～3 μ m, D
90< 8 μ m obtain product.
Embodiment 2:10% A Wei penta suspension seed-coating agent
Preparation method is with embodiment 1.
Embodiment 3:15% A Wei penta suspension seed-coating agent
Preparation method is with embodiment 1.
Embodiment 4:20% A Wei penta suspension seed-coating agent
Preparation method is with embodiment 1.
Embodiment 5: control efficiency
Test in one peasant household farmland, Xinxiang, Henan and carry out, Avermectin and Tebuconazole are composite, test processing and amount of application are in Table 1, as process 3 for Avermectin and the use of Tebuconazole mixture, for examination seed coat agent, be that the composite seed coat agent amount of application of Avermectin and Tebuconazole is in every 100kg seed, to contain the former medicine 5g of Avermectin, Original Tebuconazole 2g.Add up each processing preventive effect, the results are shown in Table 2.
Table 1 test is processed and formulation rate
| Process | Reagent agent | Amount of application (former medicine/100kg seed) |
| 1 | Avermectin | 5g |
| 2 | Tebuconazole | 4g |
| 3 | Avermectin+Tebuconazole | 5g+2g |
| 4 | Avermectin+Tebuconazole | 7g+5g |
| 5 | Avermectin+Tebuconazole | 8g+4g |
| 6 | Avermectin+Tebuconazole | 8g+7g |
| 7 | Avermectin+Tebuconazole | 9g+10g |
| 8 | Avermectin+Tebuconazole | 10g+8g |
| 9 | Avermectin+Tebuconazole | 12g+4g |
| 10 | Clear water |
Table 2 control efficiency
| Process | Aphid | Cyst nematode | Wheat sharp eyespot | Loose smut of wheat |
| 1 | 81.2 | 82.5 | 0 | 0 |
| 2 | 0 | 0 | 78.6 | 81.5 |
| 3 | 79.8 | 80.7 | 77.6 | 80.6 |
| 4 | 81.6 | 83 | 80.9 | 82.3 |
| 5 | 82.8 | 84.2 | 80.2 | 81.6 |
| 6 | 82.5 | 84.8 | 83.4 | 84.2 |
| 7 | 84.3 | 85.2 | 88.9 | 89.7 |
| 8 | 85.6 | 87.3 | 86.5 | 87.3 |
| 9 | 87.3 | 89.6 | 81.2 | 82.6 |
| 10 | 0 | 0 | 0 | 0 |
As shown in Table 2, in seed coat agent of the present invention, each active ingredient is being less than under the prerequisite of each single dose consumption, and prevention and treatment range or drug effect are higher than each single dose.Meanwhile, from processing 1 and 2 result of the test, this synergy result is not to obtain because another added active component directly acts on disease, but due to two kinds of composite rear interactions of active component, has strengthened the effect of preventing and treating each other disease.
Embodiment 6: technical indicator is measured
Get the prepared each suspension seed-coating agent of embodiment 1～4, detect its indices, the results are shown in Table 3.
The testing result of the each suspension seed-coating agent indices of table 3
From table 3 result, 4 concentration indices of suspension seed-coating agent of the present invention all meet the requirement of suspension seed-coating agent, and properties of product are stable, be subject to low temperature effect less, and suspensibility are high.
The explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.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 improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (1)
1. a pesticidal disease-prevention suspending seed coating agent, is characterized in that, following raw material, consists of:
Or formed by following raw material:
Or formed by following raw material:
Or formed by following raw material:
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| CN201110339068.9A CN102334488B (en) | 2011-10-31 | 2011-10-31 | Insect-killing and disease-preventing suspension seed coating formulation |
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| CN105010402B (en) * | 2015-07-06 | 2018-06-05 | 领先生物农业股份有限公司 | A kind of suspension type biological seed coat agent, its preparation method and purposes |
| CN107183040A (en) * | 2017-06-30 | 2017-09-22 | 江苏省绿盾植保农药实验有限公司 | A kind of suspension seed-coating agent containing trifluoro-benzene pyrimidine and thifluzamide and its preparation method and application |
| CN108040793A (en) * | 2017-12-11 | 2018-05-18 | 全椒县大地种植专业合作社 | A kind of cultural method of high yield pea |
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| WO2008069822A1 (en) * | 2006-02-21 | 2008-06-12 | Phibro-Tech Inc. | Biocidal azole emulsion concentrates having high active ingredient content |
| CN101356918A (en) * | 2008-09-24 | 2009-02-04 | 中国农业科学院植物保护研究所 | Microcapsule suspension seed-coating agent |
| CN101366375A (en) * | 2008-08-25 | 2009-02-18 | 西北农林科技大学无公害农药研究服务中心 | Tebuconazole-containing liquid formulation for trunk injection |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008069822A1 (en) * | 2006-02-21 | 2008-06-12 | Phibro-Tech Inc. | Biocidal azole emulsion concentrates having high active ingredient content |
| CN101366375A (en) * | 2008-08-25 | 2009-02-18 | 西北农林科技大学无公害农药研究服务中心 | Tebuconazole-containing liquid formulation for trunk injection |
| CN101356918A (en) * | 2008-09-24 | 2009-02-04 | 中国农业科学院植物保护研究所 | Microcapsule suspension seed-coating agent |
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