CN1726781A - High-efficiency low-toxicity wheat seed coating agent - Google Patents

High-efficiency low-toxicity wheat seed coating agent Download PDF

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Publication number
CN1726781A
CN1726781A CN 200510012697 CN200510012697A CN1726781A CN 1726781 A CN1726781 A CN 1726781A CN 200510012697 CN200510012697 CN 200510012697 CN 200510012697 A CN200510012697 A CN 200510012697A CN 1726781 A CN1726781 A CN 1726781A
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China
Prior art keywords
wheat
agent
seed coating
film forming
wheat seed
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Pending
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CN 200510012697
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Chinese (zh)
Inventor
刘颖超
马峙英
庞民好
张金林
张利辉
赤国彤
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Heibei Agricultural University
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Heibei Agricultural University
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Priority to CN 200510012697 priority Critical patent/CN1726781A/en
Publication of CN1726781A publication Critical patent/CN1726781A/en
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Abstract

The invention relates to a high-efficiency and low-toxicity wheat seed coating composition prepared from an insecticide imidacloprid , a fungicide difenoconazole (cis, trans-3-chloro-4- [ 4-methyl-2- (1H-1, 2, 4-triazole-1-ylmethyl) -1, 3-dioxolane-2-yl ] phenyl-4-chlorophenyl ether), a film-forming agent, a dispersing agent, an emulsifying agent and the like. The coating has the characteristics of high film forming speed, uniform and firm coating, low toxicity, safety to non-target organisms and the like, can effectively prevent and treat various wheat diseases and insect pests such as sheath blight, root rot, gibberellic disease, stripe rust, leaf rust, powdery mildew, aphid, small brown planthopper, golden insect and the like in the seedling stage of wheat, has a remarkable promoting effect on the growth of the seedling stage of the wheat, can promote the yield of the wheat to be increased and improve the quality of the wheat, and has the advantages of low use cost, remarkable pesticide effect, convenience in use and obvious social and economic benefits.

Description

Efficiently, low toxicity wheat seed coating agent
Technical field
The present invention relates to a kind of efficient, low toxicity wheat seed coating agent, belong to the plant protection technology field.
Background technology
Along with the widespread usage of straw-returning technology in the Wheat Production, the sick worm of wheat class new problem appearred.Take place generally to cause wheat yield serious as flat area wheat class banded sclerotial blight, root rot, head blight.Go up to some extent on hills and mountain area stinking smut, some kind is lost resistance to yellow rust, and seedling stage, bar rust, leaf rust had fashion trend.The above-mentioned damage by disease and insect of control is mainly taked dressing seed at present, the traditional methods of preventing and treating such as back reagent spray of emerging, and these method drug effects are short, control is untimely, and weak effect is easy to cause damage to Wheat Production.In addition, these medicaments mostly are insecticide (as the furans pellet) and the active lower bactericide that contains high poison, some bactericide (as triazolone) working concentration is improper also can to produce inhibitory action to the wheat growth of seedling phase, do not have kind of the due effect of clothing agent, and heavier to non-target organism and environmental pollution.In order to reduce the pollution of agricultural chemicals, in agricultural production, begin to apply kind of a clothing agent technology in recent years.Planting the clothing agent is by pesticide original medicine (insecticide, bactericide etc.), trace element, plant growth regulator, film forming agent, bleeding agent, emulsifier, dispersant, binding agent, sagging inhibitor, antifreezing agent and other auxiliary agents; formulated by a certain percentage; can directly or after diluting be coated on the surface of the seed, form pesticidal preparations with certain intensity and permeability protection tunic by dressing equipment.The agent of kind of clothing is used for the breeding dressing, not only can realize seed standardization, commercialization and industrialization, but also can integrated control crops seedling stage damage by disease and insect, promote the seed healthy growth and development, improve percentage of seedgermination, and be suitable for precision drilling, reduce sowing quantity, improve output.Active ingredient in the prior art in the disclosed wheat seed coating agent mostly is single medicament, and the defective of existence is that drug effect is shorter, and drug effect is single, has therefore limited its large scale application in agricultural production.
Summary of the invention
It is long to the purpose of this invention is to provide a kind of duration of efficacy, has efficient, the low toxicity wheat seed coating agent of broad spectrum disinfestation performance.
Technical conceive of the present invention is such, and Imidacloprid is a kind of new and effective, low toxicity and insecticide with good systemic action in existing insecticide, and the insect (as aphid etc.) of sucking mouth parts is had good control action.But formulation commonly used in producing is missible oil and wetting powder, separately with it to the wheat seed processing of dressing seed, the medicament (especially wetting powder) that is adsorbed on the surface of the seed is easy to come off in transportation, sowing process, in soil, also be easy to the release of dissociating, and the absorption affinity at the surface of the seed is limited, lasting period is shorter, and control efficiency is single; Difenoconazole (=suitable, instead-3-chloro-4-[4-methyl-2-(1H-1,2,4-triazol-1-yl methyl)-1,3-dioxolanes-2-yl] phenyl-4-chlorobenzene ether) also be new and effective, low toxicity and bactericide with good systemic action, it has the better controlled effect to multiple wheat diseases (as wheat powdery mildew, rust etc.).But formulation commonly used in producing is water dispersible granules or wetting powder, separately with it to wheat seed dress seed processings, equally also the existence deficiency similar to Imidacloprid.
For this reason, the present invention with Imidacloprid and Difenoconazole (=suitable, instead-3-chloro-4-[4-methyl-2-(1H-1,2,4-triazol-1-yl methyl)-1,3-dioxolanes-2-yl] phenyl-4-chlorobenzene ether) be main component, it is mixed that they are pressed suitable proportion, add other auxiliary elements, preparation becomes efficient, low toxicity wheat seed coating agent.
Particularly, composition efficient, the low toxicity wheat seed coating agent of the present invention is expressed as follows by mass ratio:
Imidacloprid: Difenoconazole: film forming agent: emulsifier: dispersant: defoamer: thickener: antifreezing agent: warning colouration=1~60: 0.01~10: 5~30: 2~7: 0.25~2: 0.1~2.0: 0.01~2: 4~8: 0.1~1.0.
Wheat seed coating agent of the present invention, be expressed as by mass ratio its best composition:
Imidacloprid: Difenoconazole: film forming agent: emulsifier: dispersant: defoamer: thickener: antifreezing agent: warning colouration=20: 0.4: 10: 5: 1: 1: 0.03: 5: 0.4.
Said film forming agent is any both or three's a mixture in hydroxypropyl methylcellulose, hydroxyethylcellulose, polyvinyl acetate, the methylcellulose among the present invention;
Among the present invention, film forming agent is got hydroxypropyl methylcellulose, hydroxyethylcellulose and polyvinyl acetate three's mixture, and three kinds of compositions are the most suitable by mass ratio mixing in 5: 1: 4;
The emulsifier that the present invention uses is: styryl phenol polyethenoxy ether and calcium dodecyl benzene sulfonate mixed emulsifier, and the proportioning when specifically using is expressed as by mass ratio: the styryl phenol polyethenoxy ether: calcium dodecyl benzene sulfonate=3: 1;
In addition, dispersant is beta-naphthalenesulfonic-acid formaldehyde condensation compound (NNO);
Defoamer is an isooctanol;
Thickener is an xanthans;
Antifreezing agent is an ethylene glycol;
Warning colouration is a basic rhodamine.
Wheat seed coating agent of the present invention can be planted clothing agent preparation method preparation routinely.
When wheat seed coating agent of the present invention used, (plant the clothing agent: seed), with seed and abundant mixing of preparation or mechanization dressing, airing 3~5min promptly can be used for sowing in 1: 100~1: 1000 according to mass ratio.
The present invention compares the technological progress that obtains with conventional art: it is fast that the present invention has film forming speed, dressing is evenly firm, toxicity is low, to characteristics such as non-target organism safety, can effectively prevent and treat the wheat class banded sclerotial blight in seedling stage, root rot, head blight, the bar rust, the leaf rust, powdery mildew, aphid, small brown rice planthopper, multiple wheat disease such as wireworm, insect pest, the wheat seedling growth there is significant facilitation, can promote wheat increase yield, improve wheat quality, drug effect is remarkable, easy to use, concentrate because the dressing medication is hidden, target is strong, can reduce pesticide pollution to greatest extent, reduce the agricultural chemicals use cost.
Embodiment
The following examples are in order to explanation the present invention.
Of the present invention kind of clothing agent further specifies by following embodiment, is listed in table one, but is not limited thereto.All umbers all refer to quality among the embodiment.During concrete the application, the kind clothing agent that can be processed into different size by the proportioning among the embodiment.
Table one
The numbering composition Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Example 8 Example 9 Example 10 Example 11 Example 12
Imidacloprid 1 5 10 10 15 15 60 35 40 50 30 20
Difenoconazole 0.01 0.05 0.1 0.3 0.5 0.8 8 10 5 6 5 1
Film forming agent 5 5 6 8 10 15 10 18 30 20 25 20
Emulsifier 2 2 2.5 3 3.5 3.5 4 7 5 5 6 5
Dispersant 0.25 0.3 0.4 0.6 0.8 1 1.2 1.5 1.6 1.8 1.8 2
Defoamer 0.1 0.2 0.4 0.6 0.7 0.8 1 1.4 1.5 1.7 1.8 2
Thickener 0.01 0.05 0.08 0.1 0.15 0.2 0.5 1 1.2 1.6 1.8 2
Antifreezing agent 4 4.5 5 5 5.2 5.5 5.8 6.5 6.8 7.5 7.8 8
Warning colouration 0.1 0.15 0.2 0.25 0.3 0.3 0.35 0.45 0.5 0.6 0.8 1
Water Supply 100 Supply 100 Supply 100 Supply 100 Supply 100 Supply 100 Supply 100 Supply 100 Supply 100 Supply 100 Supply 100 Supply 100
The wheat seed coating agent that provides in the foregoing description uses dressing machine dressing or artificial dressing, and fast filming, coating are evenly firm, difficult drop-off in transportation and the sowing process.Use the present invention to plant the clothing agent, be used to prevent and treat the method for diseases such as wheat scab, banded sclerotial blight: be used by 1: 100~1: 1000 pesticide-seeds ratio with 1 part kind clothing agent and wheat seed and get final product the wheat seed dressing.

Claims (3)

1, a kind of efficient, low toxicity wheat seed coating agent is characterized in that its composition is expressed as follows by mass ratio:
Imidacloprid: Difenoconazole: film forming agent: emulsifier: dispersant: defoamer: thickener: antifreezing agent: warning colouration=1~60: 0.01~10: 5~30: 2~7: 0.25~2: 0.1~2.0: 0.01~2: 4~8: 0.1~1.0;
Wherein said film forming agent is any both or three's a mixture in hydroxypropyl methylcellulose, hydroxyethylcellulose, polyvinyl acetate, the methylcellulose;
Emulsifier is styryl phenol polyethenoxy ether and calcium dodecyl benzene sulfonate mixed emulsifier, forms proportioning and is expressed as by mass ratio: styryl phenol polyethenoxy ether: calcium dodecyl benzene sulfonate=3: 1;
Dispersant is naphthalene sulfonic acid-formaldehyde condensation product (NNO);
Defoamer is an isooctanol;
Thickener is an xanthans;
Antifreezing agent is an ethylene glycol;
Warning colouration is a basic rhodamine.
2, by the described wheat seed coating agent of claim 1, it is characterized in that film forming agent is hydroxypropyl methylcellulose, hydroxyethylcellulose and polyvinyl acetate three's a mixture, its mixing quality ratio is 5: 1: 4.
3, by the described wheat seed coating agent of claim 1, it is characterized in that its composition is expressed as by mass ratio: Imidacloprid: Difenoconazole: film forming agent: emulsifier: dispersant: defoamer: thickener: antifreezing agent: warning colouration=20: 0.4: 10: 5: 1: 1: 0.03: 5: 0.4.
CN 200510012697 2005-07-26 2005-07-26 High-efficiency low-toxicity wheat seed coating agent Pending CN1726781A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200510012697 CN1726781A (en) 2005-07-26 2005-07-26 High-efficiency low-toxicity wheat seed coating agent

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Application Number Priority Date Filing Date Title
CN 200510012697 CN1726781A (en) 2005-07-26 2005-07-26 High-efficiency low-toxicity wheat seed coating agent

Publications (1)

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CN1726781A true CN1726781A (en) 2006-02-01

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102334500A (en) * 2011-10-31 2012-02-01 联保作物科技有限公司 Insect-killing and disease-preventing suspension seed coating formulation
CN102428947A (en) * 2011-11-21 2012-05-02 广东中迅农科股份有限公司 Wheat seed coating agent
CN103960228A (en) * 2013-01-31 2014-08-06 浙江农林大学 Pesticide film forming agent used for controlling diseases and insect pests of forest trees, and its preparation method
CN104876674A (en) * 2014-10-18 2015-09-02 颍上县永祥旱粮研究所 Wheat seed coating agent
US9162897B2 (en) 2013-05-09 2015-10-20 Zhangjiagang Nellnano Technology Co., Ltd Method of preparing silver loaded activated carbon fiber
CN106259413A (en) * 2015-08-20 2017-01-04 广东中迅农科股份有限公司 A kind of suspension seed-coating agent containing polypeptide and preparation method thereof
CN106490056A (en) * 2016-10-22 2017-03-15 杨继周 A kind of safety and environmental protection wheat seed dressing agent
CN111418302A (en) * 2020-03-30 2020-07-17 北京市农林科学院 Efficient drought-resistant nutritional wheat seed coating agent and preparation and application thereof
CN111955463A (en) * 2020-07-01 2020-11-20 浙江天丰生物科学有限公司 Efficient and safe suspended seed coating for wheat

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102334500A (en) * 2011-10-31 2012-02-01 联保作物科技有限公司 Insect-killing and disease-preventing suspension seed coating formulation
CN102334500B (en) * 2011-10-31 2014-10-22 联保作物科技有限公司 Insect-killing and disease-preventing suspension seed coating formulation
CN102428947A (en) * 2011-11-21 2012-05-02 广东中迅农科股份有限公司 Wheat seed coating agent
CN103960228A (en) * 2013-01-31 2014-08-06 浙江农林大学 Pesticide film forming agent used for controlling diseases and insect pests of forest trees, and its preparation method
US9162897B2 (en) 2013-05-09 2015-10-20 Zhangjiagang Nellnano Technology Co., Ltd Method of preparing silver loaded activated carbon fiber
CN104876674A (en) * 2014-10-18 2015-09-02 颍上县永祥旱粮研究所 Wheat seed coating agent
CN106259413A (en) * 2015-08-20 2017-01-04 广东中迅农科股份有限公司 A kind of suspension seed-coating agent containing polypeptide and preparation method thereof
CN106490056A (en) * 2016-10-22 2017-03-15 杨继周 A kind of safety and environmental protection wheat seed dressing agent
CN111418302A (en) * 2020-03-30 2020-07-17 北京市农林科学院 Efficient drought-resistant nutritional wheat seed coating agent and preparation and application thereof
CN111955463A (en) * 2020-07-01 2020-11-20 浙江天丰生物科学有限公司 Efficient and safe suspended seed coating for wheat

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