CN102308838B - Flowable concentrate for seed coating for insecticidal purpose and disease prevention - Google Patents
Flowable concentrate for seed coating for insecticidal purpose and disease prevention Download PDFInfo
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Abstract
The invention, relating to the field of pesticide preparation, discloses a flowable concentrate for seed coating for insecticidal purpose and disease prevention. The flowable concentrate for seed coating for insecticidal purpose and disease prevention comprises difenoconazole and thiamethoxam as effective components, has the advantages of good property of film forming, uniform coating, high suspensibility, safety, low toxicity and the like, and can be widely used for the seed treatments of wheat, corn, soybean, peanut, cotton and other plants. Compared with the single use of difenoconazole and thiamethoxam, the flowable concentrate for seed coating has obviously better insecticidal effect and better effect of disease prevention. The flowable concentrate for seed coating can improve the germination capacity of seeds. The flowable concentrate for seed coating is easy to use, when treating seeds, the flowable concentrate for seed coating can be used with mechanical seed dressing or manual operation, satisfying requirements of different production population.
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
Soil insect refers to the class pest that the harm phase lives in soil, mainly contains mole cricket, grub, cutworm and wireworm etc.This class pest is of a great variety, and harm host is wide, the crops such as harm wheat, corn, Chinese sorghum, cotton.They mainly take food seed, root, stem, piece root, stem tuber, seedling, tender leaf and the growing point etc. of crop, usually cause be short of seedling, disconnected ridge or make growth of seedling bad, very large on crop yield impact.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 the composition such as agricultural chemicals or fertilizer that contains binding agent; make outside seed, to form the protective layer with certain function and coated intensity, this process is called seed pelleting, and the combination material that wraps in seed outside is referred to as seed coat agent.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 contained material such as agricultural chemicals and seed manure slowly discharges.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 at present Spread in China uses 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, this seed coat agent has the effect of desinsection and sterilization simultaneously, but a kind of seed that only can be used for wheat and maize in its combination, another kind can only be used for cotton seeds, and cannot be simultaneously as the seed coat agent of various crop seed, range of application is narrower.Therefore urgent need is developed a kind of applied range, is applicable to the seed coat agent of the various crop such as wheat, corn, cotton, soybean, peanut.
Summary of the invention
In view of this, the object of the invention is to provide a kind of applied range, is applicable to the pesticidal disease-prevention suspending seed coating agent of the various crop such as wheat, corn, cotton, soybean, peanut.
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 made up of Difenoconazole, Diacloden, 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:
Difenoconazole belongs to triazole bactericidal agent, and interior absorption is strong, after dispenser, can be absorbed rapidly by plant, and resistance of rainwater washing against, lasting medicine, its lasting period is than growing 4～5 days with series bactericidal agent.The biosynthesis of Difenoconazole wall sterol capable of inhibiting cell and disturb the normal growth of germ, the sporulation of phytopathogen is had to strong inhibitory action, can effectively stop the growth of the fungies such as sac fungi, basidiomycetes, imperfect fungus, fungicidal spectrum is wide, a drug, can prevent multiple diseases.Be mainly used in preventing and treating various anthracnose of crop, leaf spot, powdery mildew, scab, as wheat glume blight, full rot, leaf blight, rust and by several cause a disease microbial mildews, target, leaf spot of peanut, net blotch, early blight of tomato, the climing rot of watermelon, pepper anthracnose, cabbage alternaria, sigatoka, anthracnose, powdery mildew, pears, apple scab, alternaria leaf spot of apple, apple, grape, the powdery mildew of the crops such as strawberry, bitter rot or anthracnose of grape, anthrachose of grape, citrus scab, cercospora leaf spot of sugar beet, Chinese yam, celery leaf spot, ginger, green onion, the diseases such as garlic anthracnose, there is prevention, treat and root out three large effects.
Diacloden is the second generation nicotinic insecticide of brand new, efficiently, low toxicity, not only have and tag, stomach toxicity, systemic activity, and there is the activity higher than generation nicotinoids, better safety, wider insecticidal spectrum, there is speed of action fast simultaneously, the features such as the lasting period is long, that replacement is high to mammalian toxicity, there is residual and organic phosphor environmental problem, carbamate, the improved seeds of organochlorine insecticides, with Imidacloprid, Acetamiprid, Nitenpyram is without cross resistance, to crop safety, without poisoning, both can be used for cauline leaf processing, seed treatment, also can be used for soil treatment.Diacloden is to coleoptera, diptera, Lepidoptera, especially homoptera pest has high activity, can effectively prevent and treat the insects such as various aphids, leafhopper, plant hopper, aleyrodid, chafer larva, colorado potato beetle, nematode, ground beetle, leaf miner and the insect to polytype chemical pesticide generation resistance, be widely used in the crops such as rice class crop, wheat, beet, rape, potato, cotton, Kidney bean, fruit tree, peanut, sunflower, soybean, tobacco and citrus.
Suspension seed-coating agent of the present invention is using Difenoconazole and Thiamethoxam compound as active ingredient, the two mutual supplement with each other's advantages, can expand the diseases prevention spectrum of medicament, be widely used in the seed treatment of the crops such as wheat, corn, soybean, peanut, cotton, can prevent and treat disease again can pest control, improve drug effect simultaneously, reduce the usage amount of agricultural chemicals.The present invention, according to Sun Yunpei (Sun Y-P) method, calculates co-toxicity coefficient and evaluates Difenoconazole effect mixed with Diacloden, and result shows that co-toxicity coefficient is all greater than 100, shows that the mixing use of the two has notable synergistic effect.
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.Can be fatty alcohol-polyoxyethylene ether according to wetting dispersing agent of the present invention, 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.
Act on seed and root in order to guarantee that limited farm chemical ingredients is concentrated, 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.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 according to film forming agent of the present invention.
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 red5B, Red-8110, Red-131 or FGR-131.
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 is 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.
Suspension seed-coating agent of the present invention also comprises defoamer and preservative, and described defoamer is one or more in saturated fatty acid and the ester class thereof of fatty alcohol, C10-20 of machine silicone, C8-10; 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, it is as follows that the each composition of described suspension seed-coating agent accounts for the percentage by weight of seed coat agent:
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.
The preparation method of suspension seed-coating agent of the present invention is: by Difenoconazole and Diacloden 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, to obtain final product.
The prepared suspension seed-coating agent of the present invention is light yellow 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%, and by 45 μ m standard screens, grain fineness D50 is 2～3 μ m.
Suspension seed-coating agent of the present invention is using Difenoconazole and Thiamethoxam compound as active ingredient, there is good film-forming property, dressing is even, suspensibility is high, the advantages such as safety and low toxicity, can be widely used in wheat, corn, soybean, peanut, the seed treatment of the crops such as cotton, prevent and treat the mole cricket of crop described above, grub, wireworm, cutworm, the soil insects such as black cutworm, aphid, the pest such as thrips and above-mentioned various crop leaf spot, powdery mildew, smut, as take-all, powdery mildew, rust, smut, loose kernel smut, root rot, banded sclerotial blight, maize head smut, leaf spot, root rot, peanut, cercospora leaf spot, net blotch, root rot, cotton seedling blight, the diseases such as damping off.With Difenoconazole and the comparison of Diacloden single dose, disinsection prophylaxis successful improves.The germination rate that can also improve seed simultaneously, with not dressing comparison, germination rate can improve 8～10%.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 the needs of different production colony.
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 1:30～60.
Embodiment 1: efficiency test
Test in Zhengzhou, henan one peasant household farmland and carry out, Difenoconazole and Thiamethoxam compound, test processing and amount of application are in table 1, as process 3 for Diacloden and the use of Difenoconazole mixture, be Diacloden and the composite seed coat agent of Difenoconazole for examination seed coat agent, amount of application is in every 100kg seed, to contain the former medicine 20g of Diacloden, Difenoconazole 100g.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 | Diacloden | 350g |
| 2 | Difenoconazole | 720g |
| 3 | Diacloden+Difenoconazole | 20g+100g |
| 4 | Diacloden+Difenoconazole | 60g+200g |
| 5 | Diacloden+Difenoconazole | 100g+200g |
| 6 | Diacloden+Difenoconazole | 160g+360g |
| 7 | Diacloden+Difenoconazole | 360g+460g |
| 8 | Diacloden+Difenoconazole | 300g+500g |
| 9 | Diacloden+Difenoconazole | 400g+600g |
| 10 | Clear water | ? |
Table 2 control efficiency
| Process | Leaf spot | Powdery mildew | Mole cricket | Wireworm | Aphid |
| 1 | 0 | 0 | 96.5 | 93.6 | 91.3 |
| 2 | 93.5 | 95.5 | 0 | 0 | 0 |
| 3 | 78.6 | 73.2 | 63.7 | 56.8 | 42.9 |
| 4 | 82.5 | 85.6 | 71.4 | 70.7 | 84.7 |
| 5 | 92.5 | 93.6 | 90.6 | 89.5 | 88.8 |
| 6 | 99.5 | 98.5 | 96.8 | 98.6 | 96.7 |
| 7 | 90.5 | 92.4 | 89.6 | 90.8 | 91.9 |
| 8 | 98.5 | 99.5 | 94.5 | 95.4 | 94.5 |
| 9 | 97.4 | 95.6 | 93.5 | 96.7 | 99.8 |
| 10 | 0 | 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 3:20% phenylate thiophene suspension seed-coating agent
DA-675, DA-646 dissolve completely with distilled water, then add successively Difenoconazole, Diacloden active ingredient through air-flow crushing, and other auxiliary agent, enter sand mill and grind 2 times, be 2～3 μ m until the grain fineness of suspension reaches D50, D90<8 μ m and get final product.
Embodiment 5:40% phenylate thiophene suspension seed-coating agent
Preparation method is with embodiment 3.
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 (9)
1. a pesticidal disease-prevention suspending seed coating agent, is characterized in that, is made up of Difenoconazole, Diacloden, 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:
The mass ratio of described Difenoconazole and Diacloden is 360:160;
Described wetting dispersing agent is the composition of DA-675 and DA-646 or the composition for sodium lignin sulfonate and polyoxyethylene poly-oxygen propylene aether block copolymer.
2. seed coat agent according to claim 1, is characterized in that, it is as follows that each composition accounts for the percentage by weight of seed coat agent:
3. according to seed coat agent described in claim 1 or 2, it is characterized in that, described film forming agent is 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.
4. according to seed coat agent described in claim 1 or 2, it is characterized in that, described colouring agent is one or more in basic rhodamine, water-based rhodo, acid scarlet, Fluorescein red5B, Red-8110, Red-131 or FGR-131.
5. according to seed coat agent described in claim 1 or 2, it is characterized in that, described tackifier is 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.
6. according to seed coat agent described in claim 1 or 2, it is characterized in that, described defoamer is one or more in saturated fatty acid and the ester class thereof of fatty alcohol, C10-20 of organosilicon ketone, C8-10.
7. according to seed coat agent described in claim 1 or 2, it is characterized in that, described preservative is benzoic acid, benzaldehyde, Sodium Benzoate, sorbic acid, sodium salicylate, 2-xenol, parahydroxyben-zaldehyde or 1, one or more in 2-[4-morpholinodithio quinoline-3-ketone.
8. according to seed coat agent described in claim 1 or 2, it is characterized in that, also comprise antifreezing agent, the weight hundred that described antifreezing agent accounts for seed coat agent for proportion by subtraction be 1.0%～5.0%.
9. seed coat agent according to claim 8, is characterized in that, described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, hexylene glycol, urea, sodium chloride or calcium chloride.
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283766A (en) * | 2012-02-24 | 2013-09-11 | 陕西韦尔奇作物保护有限公司 | Pesticidal suspended seed coating capable of preventing diseases |
| CN102835415A (en) * | 2012-09-14 | 2012-12-26 | 联保作物科技有限公司 | Pesticidal and disease-preventing composite and preparation thereof |
| CN103109842A (en) * | 2013-01-27 | 2013-05-22 | 成都科利隆生化有限公司 | Seed treating agent with dual function of preventing diseases and pests |
| CN103109843A (en) * | 2013-03-04 | 2013-05-22 | 中化蓝天集团有限公司 | Insecticidal disease-preventing suspended seed coating containing thiamethoxam, thifluzamide and/or benzene kresoxim-methyl |
| CN104336043B (en) * | 2013-07-25 | 2016-08-17 | 沈阳中化农药化工研发有限公司 | Insecticidal and bactericidal composition containing alkene oxime amine and application thereof |
| CN103461370B (en) * | 2013-08-16 | 2015-03-25 | 江西农业大学 | Suspension seed coating agent and preparing method thereof |
| CN103598198B (en) * | 2013-11-14 | 2016-05-11 | 山东省农药科学研究院 | A kind of triazole type and nicotine compound compound seed treating agent and preparation method thereof |
| CN103960248B (en) * | 2013-11-29 | 2015-07-15 | 河北农业大学 | Moisture-holding sustained-release seed treating agent for controlling wheat sharp eyespot |
| CN104086277A (en) * | 2014-03-27 | 2014-10-08 | 江苏省农业科学院 | Flowable water concentrate for wheat seed treatment |
| CN104054744B (en) * | 2014-07-14 | 2016-03-23 | 联保作物科技有限公司 | A kind of active component is the preparation method of the suspension seed-coating agent of Diacloden and Difenoconazole |
| CN105309466A (en) * | 2014-07-28 | 2016-02-10 | 浙江省化工研究院有限公司 | Insect disinfestation and sterilization ternary compound composition and seed coating agent thereof |
| CN105028462A (en) * | 2015-08-25 | 2015-11-11 | 河南省农业科学院 | Seed coating agent capable of resisting drought and accelerating root growth, and having good prevention effect on wheat take-all and aphids |
| 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 |
| CN110637828A (en) * | 2019-10-30 | 2020-01-03 | 郑州市丰牌农业科技有限公司 | Garlic seed dressing agent |
| CN112616838B (en) * | 2020-12-31 | 2022-03-25 | 中国农业科学院棉花研究所 | Cotton seed initiator and method for treating cotton seeds by using initiator |
| CN114456009A (en) * | 2022-02-25 | 2022-05-10 | 陕西科技大学 | Sodium alginate-based seed coating material and preparation method and application thereof |
| CN115067352B (en) * | 2022-07-13 | 2024-04-23 | 江苏艾津作物科技集团有限公司 | Seed treatment agent for preventing and controlling corn aphids and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AR021261A1 (en) * | 1998-11-16 | 2002-07-03 | Syngenta Participations Ag | PESTICIDE COMPOSITION AT LEAST QUATERNARY, AND METHOD TO PROTECT THE PLANT PROPAGATION MATERIAL AGAINST ATTACK BY INSECTS OR REPRESENTATIVES OF THE ACARINE ORDER AND PHYTO-PATHOGENIC FUNGI. |
| CN101496513B (en) * | 2008-01-28 | 2012-01-04 | 北京绿色农华植保科技有限责任公司 | Difenoconazole suspending seed-dressing agent and preparation method thereof |
| CN102090398A (en) * | 2009-12-10 | 2011-06-15 | 上海市农业科学院 | Seed treatment agent and preparation method thereof |
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