CN103039473A - High-efficiency seed coating - Google Patents
High-efficiency seed coating Download PDFInfo
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- CN103039473A CN103039473A CN201210594917XA CN201210594917A CN103039473A CN 103039473 A CN103039473 A CN 103039473A CN 201210594917X A CN201210594917X A CN 201210594917XA CN 201210594917 A CN201210594917 A CN 201210594917A CN 103039473 A CN103039473 A CN 103039473A
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Abstract
The invention discloses a seed coating, which is characterized by being formed by mixing 65-80% of gamma-polyglutamic acid, 15-30% of dispersant, 0.5-2% of bonder, 0.05-1% of surfactant, 0.05-2% of biocide and 0.1-0.5% of vigilant dye by weight percent. According to the seed coating taking polyglutamic acid as a primary component, the seed growth microenvironment can be improved, the germination of seeds and the growth and development of seedlings can be promoted, the quality of rice seedlings can be improved, the pesticide effect of pesticides can be improved, the pesticides diffused in the environment and the contact amount of non targets can be reduced, no residues are generated on the leaf surfaces, the disease prevention and pest control effects of the seed coating are improved, and the requirements of green ecological agriculture development are met.
Description
Technical field:
The invention discloses a kind of coating agent for seed, particularly a kind of coating agent for seed that is applicable to the cereal crops seed.
Background technology:
Seed coating technology is to be praised highly energetically agricultural production new technology with the vast farmers popular welcome by China agricultural experts in recent years, and has obtained very good effect in the production time.Packaging technique is the important means of building High yield agricultural modernization and agricultural sustainable development, and the kind clothing of commercial seed is one of the important technique measure with the level of production that moves up the technology ladder.Therefore seek a kind of can the volume increase again by disease and insect resistance, environment amenable coating agent for seed is the problem that people study always simultaneously.
Deep research has been done to the nuisanceless seed coating medicine that is used for gourd vegetable crop by Shanghai University Of Engineering Science, its patent publication No. is CN1631151, China Agricultural University adopts fulvic acid that seeds of leguminous plant seed coating medicine and preparation method are furtherd investigate, can significantly improve the survival of rhizobium and the competitiveness of microorganism, its patent publication No. is CN102070368A; A kind of coating agent for seed take cycloheximide as active ingredient has been researched and developed in the Shanghai Pesticide Research Institute, and effectively protection against rodents is used for agricultural, and its patent publication No. is CN1843118.
Gamma-polyglutamic acid-is a kind of multifunctional bio degradable high polymer material that is combined into by the amido link between alpha-amido and γ-carboxyl by D-Glu and Pidolidone.Because gamma-polyglutamic acid-and derivative thereof have good water-soluble and adsorptivity, can thoroughly be biodegradable, to the humans and animals safety non-toxic, the advantage such as edible, thereby can be used as the functions such as water-loss reducer, thickener, flocculant, heavy metal absorbent, medicine/fertilizer slow-release formulation and pharmaceutical carrier.Although the kind of coating agent for seed is many both at home and abroad, the coating agent for seed take gamma-polyglutamic acid-as active ingredient is at present there are no report.
Summary of the invention:
The present invention contains the coating agent for seed of gamma-polyglutamic acid-by a kind of cereal crops seed that is applicable to is provided, and has solved the problem that existing vegetables and cereal crops coating agent for seed can cause environmental pollution.
Coating agent for seed of the present invention comprises following component: (content represents with weight percentage)
Wherein, described gamma-polyglutamic acid-is the technical grade commercial goods, and molecular weight is 50,000 ~ 80,000 Da.
Described dispersant is polyvinyl alcohol.
Described adhesive is hydroxypropyl methylcellulose and methylcellulose, and mass ratio is 5:1.
Described surfactant is polyoxyethylene alkyl ether, such as OP
20
Described biocide is at least a in carbendazim, tmtd, the carbofuran.
In order to show the seed treatment situation, in above-mentioned composition, add warning property dyestuff, described warning dyestuff is gentian violet.
Utilize coating agent for seed of the present invention to process seed, described coating agent for seed each component is added mixing in proportion, coating agent for seed and seed are according to the ratio of mass ratio 1:30-100, with the manual dressing of existing packaging technique or mechanical dressing.
Beneficial effect:
Coating agent for seed take polyglutamic acid as main component, can improve the microenvironment of seed growth, can promote growing of seed sprouting and seedling, improve seedling quality, improve pesticide efficacy, reduce the diffusion of agricultural chemicals in environment and the Exposure of non-target, do not have residual on the blade face, improve kind of the effect of clothing agent preventing disease pest control, meet the requirement of green ecological agricultural development.
Seed coating medicine of the present invention adopts prior art formulated through mixing, and can be widely used in agricultural, forestry etc., improves output.Seed coating medicine of the present invention also has good film forming and slow-release function, higher one-tenth film-strength and suction resistance to water and chemical stability are arranged, with plant, particularly with crops good biocompatibility is arranged, this is suitable for plant to construction, the microenvironment of particularly growing with the crops root system is very favourable, and the present invention can not affect the eupnea of seed, thereby can not affect the germination rate of seed.
The expulsion rate of the dry caudacoria of seed coating medicine of the present invention is low, can slowly discharge farm chemical ingredients in soil, seed coating medicine of the present invention has unique water-absorbing-retaining slow releasing function, can improve the microenvironment of seed growth, thereby promote growing of seed sprouting and seedling, improve seedling quality.In seed germination, seedling development process, slowly discharge simultaneously active ingredient, improve pesticide efficacy, guarantee that limited farm chemical ingredients concentrates on seed and root, reduce the diffusion of agricultural chemicals in environment and the Exposure of non-target, improve kind of the effect of clothing agent preventing disease pest control.
Embodiment:
Below by specific embodiment narration the present invention.Unless stated otherwise, used technological means is method known in those skilled in the art among the present invention.In addition, embodiment is interpreted as illustrative, but not limits the scope of the invention, and the spirit and scope of the invention are only limited by claims.To those skilled in the art, under the prerequisite that does not deviate from essence of the present invention and scope, various changes that the material component in these embodiments and consumption are carried out or change and also belong to protection scope of the present invention.
Embodiment 1
The inventor has carried out field trial in Tianjin.
Experimental field, development zone, test site Tianjin, the husky earth of test soil property, fertility is general.The component of the used coating agent for seed of the present invention (being weight percentage) is:
Get gamma-polyglutamic acid-77%, polyvinyl alcohol 18%, hydroxypropyl methylcellulose and methylcellulose be 2%(mass ratio 5:1 altogether), Surfactant OP
201%, gentian violet 0.5% is added carbendazim 0.2%, tmtd 0.3%, carbofuran 1%.Make seed coating medicine, get the coated 5 kilograms of corn seeds of 100g, natural air drying.
For examination corn, its seed quality testing result: purity 〉=95.0%, cleanliness 〉=98.0%, germination rate 〉=80%, supplying examination A is commercially available kind of clothing agent (gram of good fortune more than 16.8% suspension seed-coating agent is carbendazim 3.8%, tmtd 6%, carbofuran 7% wherein), and B is above-mentioned kind of clothing agent, and C is blank.
Randomized arrangement is adopted in test, repeats 3 times, the pelleted seed of two kinds of medicaments all prior to seeding 7 days by seed coating medicine: the concentration of seed 1:50 is carried out artificial dressing, shakeout respectively after the seed pelleting end dry for subsequent use.Before the sowing, turn in the soil, rakes.Then partition, ridging, sowing.Line-spacing 66cm.Spacing in the rows is 33cm.The dark 5-7cm in cave.Earthing behind 2 of every cave program request corn seeds.Height of seedling when investigating its emergence rate, 25d, five leaf phase growing states.5 samplings of diagonal are surveyed and are produced when harvest corn.
Each leaf emergence of table 1
What as seen from Table 1, emergence rate was the highest is that the agent of B kind clothing is 89.8%; Next is that the agent of A kind clothing is 85.2%, the three to be that the blank of not dressing is 84.5%.And B kind clothing agent seedling go out neat, contrast was emerged early about 2 days, the seedling color depth is green, seedling is strong, leaf is wide, root system development is good, to corn growth without poisoning.
Table 2 growth of seedling is dynamic
As shown in Table 2, B kind clothing agent dressing seedling growth is better, and A and blank growing way are general.Behind the corn growth 28 days, plant fresh weight B kind clothing agent pelleted seed is up to 128.79g.Above-mentioned situation shows, adopt of the present invention kind of clothing agent can significantly improve the growing ability of corn seedling, good facilitation is played in growth behind the seed sprouting, and, radical thick from height of seedling, stem, root are long, seedling fresh weight and 6 indexs of seedling dry weight, and the effect of B kind clothing agent is the most obvious.
Different disposal is on the impact of control efficiency and the output of smut of maize:
Table 3 different disposal method drug effect and rate schedule
As shown in Table 3, corn smut of maize morbidity after kind of clothing Cotton seeds is light, and relative control effect is mostly more than 77.8%.Best with B group kind of clothing agent effect, and output has significant improvement.The farm chemical ingredients of B group kind of clothing agent obviously is less than commercially available kind of clothing agent, and the incidence of disease and empty stalk rate are starkly lower than commercially available kind of clothing agent.Can effectively reduce the usage amount of agricultural chemicals, and improve drug effect.
In sum, the corn of seed coating medicine processing of the present invention all is significantly increased than the corn that additive method is processed in seedling protecting effect, Comprehensive Traits, output.
Embodiment 2
The component of the used coating agent for seed of the present invention (all being weight percentage) is:
Get gamma-polyglutamic acid-70%, polyvinyl alcohol 26%, hydroxypropyl methylcellulose and methylcellulose be 1.5%(mass ratio 5:1 altogether), Surfactant OP
200.1%, gentian violet 0.5% is added carbendazim 0.2%, tmtd 0.8%, carbofuran 0.9%.Make seed coating medicine, get the coated 5 kilograms of corn seeds of 100g, natural air drying.For trying corn with implementation example 1.B is above-mentioned kind of clothing agent, and C is blank.Other conditions are with embodiment 1.
Each leaf emergence of table 4
What as seen from Table 4, emergence rate was the highest is that the agent of B kind clothing is 87.9%; Next is that the agent of A kind clothing is 84.3%, the three to be that the blank of not dressing is 83.5%.And B kind clothing agent seedling go out neat, contrast was emerged early about 2 days, the seedling color depth is green, seedling is strong, leaf is wide, root system development is good, to corn growth without poisoning.
Table 5 growth of seedling is dynamic
As shown in Table 5, B kind clothing agent dressing seedling growth is better, and A and blank growing way are general.Behind the corn growth 28 days, plant fresh weight B kind clothing agent pelleted seed is up to 124.68g.Above-mentioned situation shows, adopt of the present invention kind of clothing agent can significantly improve the growing ability of corn seedling, good facilitation is played in growth behind the seed sprouting, and, radical thick from height of seedling, stem, root are long, seedling fresh weight and 6 indexs of seedling dry weight, and the effect of B kind clothing agent is the most obvious.
Different disposal is on the impact of control efficiency and the output of smut of maize:
Table 6 different disposal method drug effect and rate schedule
As shown in Table 6, corn smut of maize morbidity after kind of clothing Cotton seeds is light, and relative control effect is mostly more than 77.8%.Best with B group kind of clothing agent effect, and output has significant improvement.The farm chemical ingredients of B group kind of clothing agent obviously is less than commercially available kind of clothing agent, and the incidence of disease and empty stalk rate are starkly lower than commercially available kind of clothing agent.Can effectively reduce the usage amount of agricultural chemicals, and improve drug effect.
In sum, the corn of seed coating medicine processing of the present invention all is significantly increased than the corn that additive method is processed in seedling protecting effect, Comprehensive Traits, output.
Embodiment 3
The component of the used coating agent for seed of the present invention (all being weight percentage) is:
Get gamma-polyglutamic acid-65%, polyvinyl alcohol 30%, hydroxypropyl methylcellulose and methylcellulose be 2%(mass ratio 5:1 altogether), Surfactant OP
201%, gentian violet 0.5% is added carbendazim 0.2%, tmtd 0.3%, carbofuran 1%.Make seed coating medicine, get the coated 5 kilograms of corn seeds of 100g, natural air drying.
For trying corn with embodiment 1.B is above-mentioned kind of clothing agent, and C is blank.Other conditions are with embodiment 1.
Each leaf emergence of table 7
What as seen from Table 7, emergence rate was the highest is that the agent of B kind clothing is 87.6%; Next is that the agent of A kind clothing is 85.7%, the three to be that the blank of not dressing is 84.9%.And B kind clothing agent seedling go out neat, contrast was emerged early about 2 days, the seedling color depth is green, seedling is strong, leaf is wide, root system development is good.
Table 8 growth of seedling is dynamic
As shown in Table 8, B kind clothing agent dressing seedling growth is better, and A and blank growing way are general.Behind the corn growth 28 days, plant fresh weight B kind clothing agent pelleted seed is up to 123.68g.Above-mentioned situation shows, adopt of the present invention kind of clothing agent can significantly improve the growing ability of corn seedling, good facilitation is played in growth behind the seed sprouting, and, radical thick from height of seedling, stem, root are long, seedling fresh weight and 6 indexs of seedling dry weight, and the effect of B kind clothing agent is the most obvious.
Different disposal is on the impact of control efficiency and the output of smut of maize
Table 9 different disposal method drug effect and rate schedule
As shown in Table 9, corn smut of maize morbidity after kind of clothing Cotton seeds is light.Best with B group kind of clothing agent effect, and output has significant improvement.The farm chemical ingredients of B group kind of clothing agent obviously is less than commercially available kind of clothing agent, and the incidence of disease and empty stalk rate are starkly lower than commercially available kind of clothing agent.Can effectively reduce the usage amount of agricultural chemicals, and improve drug effect.
In sum, the corn of seed coating medicine processing of the present invention all is significantly increased than the corn that additive method is processed in seedling protecting effect, Comprehensive Traits, output.
Claims (8)
1. high-efficiency seed seed coating medicine, it is characterized in that, described coating agent for seed is mixed by gamma-polyglutamic acid-, dispersant, adhesive, surfactant, biocide, warning dyestuff, the shared weight percentage of each component is: gamma-polyglutamic acid-65-80%, dispersant 15-30%, adhesive 0.5-2%, surfactant 0.05-1%, biocide 0.05-2%, warning property dyestuff 0.1-0.5%.
2. high-efficiency seed seed coating medicine according to claim 1 is characterized in that, described dispersant is polyvinyl alcohol.
3. high-efficiency seed seed coating medicine according to claim 1 is characterized in that, described adhesive is hydroxypropyl methylcellulose and methylcellulose, and its mass ratio is 5:1.
4. high-efficiency seed seed coating medicine according to claim 1 is characterized in that, described surfactant is polyoxyethylene alkyl ether.
5. high-efficiency seed seed coating medicine according to claim 1 is characterized in that, described surfactant is OP
20
6. high-efficiency seed seed coating medicine according to claim 1 is characterized in that, described warning dyestuff is gentian violet.
7. high-efficiency seed seed coating medicine according to claim 1 is characterized in that, the shared weight percentage of each raw material is: gamma-polyglutamic acid-is 77%; Dispersant is polyvinyl alcohol 18%; Adhesive is hydroxypropyl methylcellulose and methylcellulose, totally 2%, and mass ratio is 5:1; Surfactant OP
201%; Warning property fuel is gentian violet 0.5%; Biocide is carbendazim 0.2%, tmtd 0.3%, carbofuran 1%.
8. method of utilizing arbitrary high-efficiency seed seed coating medicine in the claim 1 to 7 to process seed, it is characterized in that, described coating agent for seed each component is added mixing in proportion, coating agent for seed and seed are according to the ratio of mass ratio 1:30-100, with the manual dressing of existing packaging technique or mechanical dressing.
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| CN201210594917.XA CN103039473B (en) | 2012-12-31 | 2012-12-31 | High-efficiency seed coating |
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| CN103039473B CN103039473B (en) | 2014-10-29 |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103404524A (en) * | 2013-08-28 | 2013-11-27 | 黑龙江省新兴农药有限责任公司 | Carbendazim, thiram and thiram compound ultrafine powder seed coating for soybeans and application thereof |
| CN104649830A (en) * | 2015-02-13 | 2015-05-27 | 赤峰市农牧科学研究院 | Seed granulating matrix and method for processing seed-corn granules |
| CN105230661A (en) * | 2015-10-10 | 2016-01-13 | 党永富 | Functional auxiliary agent for crops and preparation method thereof |
| CN105432602A (en) * | 2015-11-27 | 2016-03-30 | 湖北大学 | Application of gamma-PGA (poly-gamma-glutamic acid) as pesticide adhesive |
| CN106612749A (en) * | 2015-10-30 | 2017-05-10 | 天津金农脉生态科技有限公司 | Coated seeds for desert treatment and preparation method thereof |
| CN106797945A (en) * | 2016-12-09 | 2017-06-06 | 河池市农业科学研究所 | A kind of corn seed coating agent |
| CN107556116A (en) * | 2017-09-30 | 2018-01-09 | 太仓市南杨农场专业合作社 | The preparation method of miniature top grade flower coating agent for seed |
| CN108156883A (en) * | 2017-12-25 | 2018-06-15 | 山东理工大学 | The organic pelletized preparation and preparation method of a kind of wheat seed |
| CN108184373A (en) * | 2017-12-25 | 2018-06-22 | 山东理工大学 | The organic pelletized preparation and preparation method of a kind of fresh kidney beans seed |
| CN108243664A (en) * | 2017-12-25 | 2018-07-06 | 山东理工大学 | The organic pelletized preparation and preparation method of a kind of cucumber seeds |
| CN108260600A (en) * | 2016-12-30 | 2018-07-10 | 党永富 | Crop seed coat agent side effect prevention and control auxiliary agent and its application |
| CN108271465A (en) * | 2017-12-25 | 2018-07-13 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of tamato seed |
| CN108294054A (en) * | 2017-12-25 | 2018-07-20 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of cabbage seed |
| CN108294053A (en) * | 2017-12-25 | 2018-07-20 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of romaine lettuce seed |
| CN108323507A (en) * | 2017-12-25 | 2018-07-27 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of Radix Rehmanniae seed |
| CN108347918A (en) * | 2015-11-09 | 2018-07-31 | 盈可泰控股有限责任公司 | Seed coating composition |
| CN108353937A (en) * | 2017-12-26 | 2018-08-03 | 山东理工大学 | A kind of black nightshade seed is organic pelletized and implantation methods |
| CN108850025A (en) * | 2018-07-31 | 2018-11-23 | 合肥浦邦农业科技有限公司 | A kind of vegetable seeds coating agent and preparation method thereof |
| CN111296418A (en) * | 2020-04-03 | 2020-06-19 | 宁夏农林科学院固原分院 | Flax seed coating agent and preparation method and application thereof |
| CN114847298A (en) * | 2022-05-19 | 2022-08-05 | 江苏艾津作物科技集团有限公司 | Seed treatment suspending agent containing thiamethoxam |
| CN114902832A (en) * | 2022-04-12 | 2022-08-16 | 湖北大学 | Application of poly-gamma-glutamic acid in rice seed germination |
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| CN103404524A (en) * | 2013-08-28 | 2013-11-27 | 黑龙江省新兴农药有限责任公司 | Carbendazim, thiram and thiram compound ultrafine powder seed coating for soybeans and application thereof |
| CN104649830A (en) * | 2015-02-13 | 2015-05-27 | 赤峰市农牧科学研究院 | Seed granulating matrix and method for processing seed-corn granules |
| CN104649830B (en) * | 2015-02-13 | 2018-01-19 | 赤峰市农牧科学研究院 | The pelletized matrix of seed-grain and the method for processing seed-grain pill |
| CN105230661A (en) * | 2015-10-10 | 2016-01-13 | 党永富 | Functional auxiliary agent for crops and preparation method thereof |
| CN105230661B (en) * | 2015-10-10 | 2018-05-25 | 党永富 | Crop functional aid and preparation method thereof |
| CN106612749A (en) * | 2015-10-30 | 2017-05-10 | 天津金农脉生态科技有限公司 | Coated seeds for desert treatment and preparation method thereof |
| CN108347918A (en) * | 2015-11-09 | 2018-07-31 | 盈可泰控股有限责任公司 | Seed coating composition |
| CN105432602A (en) * | 2015-11-27 | 2016-03-30 | 湖北大学 | Application of gamma-PGA (poly-gamma-glutamic acid) as pesticide adhesive |
| CN105432602B (en) * | 2015-11-27 | 2018-02-09 | 湖北大学 | Application of the poly- γ glutamic acid as agricultural chemicals adhesive |
| CN106797945A (en) * | 2016-12-09 | 2017-06-06 | 河池市农业科学研究所 | A kind of corn seed coating agent |
| CN108260600A (en) * | 2016-12-30 | 2018-07-10 | 党永富 | Crop seed coat agent side effect prevention and control auxiliary agent and its application |
| CN108260600B (en) * | 2016-12-30 | 2020-08-11 | 党永富 | Crop seed coating agent side effect prevention and control auxiliary agent and application thereof |
| CN107556116A (en) * | 2017-09-30 | 2018-01-09 | 太仓市南杨农场专业合作社 | The preparation method of miniature top grade flower coating agent for seed |
| CN108243664A (en) * | 2017-12-25 | 2018-07-06 | 山东理工大学 | The organic pelletized preparation and preparation method of a kind of cucumber seeds |
| CN108271465A (en) * | 2017-12-25 | 2018-07-13 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of tamato seed |
| CN108294054A (en) * | 2017-12-25 | 2018-07-20 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of cabbage seed |
| CN108294053A (en) * | 2017-12-25 | 2018-07-20 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of romaine lettuce seed |
| CN108323507A (en) * | 2017-12-25 | 2018-07-27 | 山东理工大学 | A kind of organic pelletized preparation and preparation method of Radix Rehmanniae seed |
| CN108184373A (en) * | 2017-12-25 | 2018-06-22 | 山东理工大学 | The organic pelletized preparation and preparation method of a kind of fresh kidney beans seed |
| CN108156883A (en) * | 2017-12-25 | 2018-06-15 | 山东理工大学 | The organic pelletized preparation and preparation method of a kind of wheat seed |
| CN108353937A (en) * | 2017-12-26 | 2018-08-03 | 山东理工大学 | A kind of black nightshade seed is organic pelletized and implantation methods |
| CN108850025A (en) * | 2018-07-31 | 2018-11-23 | 合肥浦邦农业科技有限公司 | A kind of vegetable seeds coating agent and preparation method thereof |
| CN111296418A (en) * | 2020-04-03 | 2020-06-19 | 宁夏农林科学院固原分院 | Flax seed coating agent and preparation method and application thereof |
| CN114902832A (en) * | 2022-04-12 | 2022-08-16 | 湖北大学 | Application of poly-gamma-glutamic acid in rice seed germination |
| CN114847298A (en) * | 2022-05-19 | 2022-08-05 | 江苏艾津作物科技集团有限公司 | Seed treatment suspending agent containing thiamethoxam |
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