CN105052933A - Efficient seed coating agent, preparation method and applications thereof, and method using same to process seeds - Google Patents
Efficient seed coating agent, preparation method and applications thereof, and method using same to process seeds Download PDFInfo
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Abstract
The invention belongs to the technical field of seed processing, and especially relates to an efficient seed coating agent, a preparation method and applications thereof, and a method using the same to process seeds. The efficient seed coating agent comprises the following components: amino-oligosaccharin, a dispersant, an adhesive, a surfactant, vigilance dye, and water. The preparation method comprises the following steps: weighing all raw materials other than amino-oligosaccharin according to a certain ratio, evenly mixing the weighed raw materials, then adding amino-oligosaccharin, and grinding the mixture until the particles of each component is less than 5 mm. The efficient seed coating agent is mixed with seeds according to a mass ratio of 1:50 to coat the seeds. The efficient seed coating agent can be used to prevent and treat diseases of fruit trees, vegetables, underground roots, tobaccos, traditional Chinese herbals, grain crops, cotton, and the like. The seed coating agent has the advantages of strong pertinence, good universality, sustain-released property, and fertilizer-retaining performance, and is capable of preventing the diseases and pests. Moreover, the raw materials are easily-available and cheap, so the production cost is low. Besides the raw materials are environment-friendly and harmless, and meet the nuisance-free requirements.
Description
Technical field
The invention belongs to seed processing technology field, particularly relate to a kind of high-efficiency seed seed coating medicine, its preparation method, its process method of seed and application thereof.
Background technology
Seed pelleting refers to and utilizes sticker or film forming agent, uses specific seed pelleting machine, is wrapped in by seed coating medicine outside seed, to reach seed globulate or the original shape of basic maintenance, after the planting seed crossed with seed coating medicine bag, and can imbibition rapidly.Along with the continuous growth of growth and the seedling gradually of embryo in seed, the various active ingredients contained discharge by seed coating medicine lentamente, progressively absorbed in body by seed seedling, thus reach the object of control seedling stage diseases and pests, enhancing development, quickening germination, raising crop yield.
Seed coating technology is praised highly the agricultural production new technology with vast farmers popular welcome energetically by China agricultural experts in recent years, and in the production time, achieve very good effect.Packaging technique is the important means of building High yield agricultural modernization and agricultural sustainable development, and the kind clothing of commercial seed moves up the technology ladder and one of the important technique measure of the level of production.
Amino-oligosaccharide is a kind of multifunctional bio degradable high polymer material, can thoroughly be biodegradable, to humans and animals safety non-toxic, the advantage such as edible, thus can be used as water-loss reducer, thickener, flocculant, heavy metal absorbent, medicine/function such as fertilizer slow-release formulation and pharmaceutical carrier.
At present, although the coating agent for seed used can reach the order of control seedling stage diseases and pests, enhancing development, raising crop yield to a certain extent, but, the germination rate of its seed is lower, in industrialization implant mass process, need repeatedly repeatedly to reseed, there is inconvenience, and planting cost is also higher.
Although the kind of coating agent for seed often both at home and abroad, finding one can increase production again by disease and insect resistance, and environment amenable coating agent for seed is the problem that people study always simultaneously.
Summary of the invention
An object of the present invention is: the deficiency existed for prior art, provide a kind of cost low, can percentage of seedgermination be improved, tool is disease-resistant, insect protected, fertilizer conservation and slow-release function high-efficiency seed seed coating medicine.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of high-efficiency seed seed coating medicine, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 0.5 ~ 10%, dispersant 15 ~ 30%, adhesive 0.5 ~ 2%, surfactant 0.05 ~ 1%, alertness dyestuff 0.1 ~ 0.5%, the rest is water.
Improve as one, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 5%, dispersant 25%, adhesive 2%, surfactant 1%, and alertness dyestuff 0.5%, the rest is water.
Improve as one, described dispersant is polyvinyl alcohol.
Improve as one, described adhesive is hydroxypropyl methylcellulose and methylcellulose, and both mass ratioes are 5:1.
Improve as one, described surfactant is polyoxyethylene alkyl ether.
Improve as one, described surfactant is OP
20.
Improve as one, described alertness dyestuff is that liquid is bright red.
Two of object of the present invention is: the preparation method providing a kind of high-efficiency seed seed coating medicine.
Described preparation method comprises the following steps: get all the other components except amino-oligosaccharide in proportion, in clipper, shear-mixed is even, then described amino-oligosaccharide is added, in ball crusher or sand mill, grind 1 ~ 3h, make the particle diameter of each component in described high-efficiency seed seed coating medicine all at below 5mm.
Three of object of the present invention is: a kind of method providing high-efficiency seed seed coating medicine process seed.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A method for high-efficiency seed seed coating medicine process seed, is the ratio of 1:50 in mass ratio by described high-efficiency seed seed coating medicine and seed, carries out manual dressing or mechanical dressing by existing packaging technique.
Four of object of the present invention is: provide the application of a kind of high-efficiency seed seed coating medicine in the virus of control fruit tree, vegetables, underground rhizome, tobacco, traditional Chinese medicine and grain and cotton crop, bacterium, fungus-caused mosaic disease, little leaf, spot disease, anthracnose, downy mildew, epidemic disease, blight dis-ease, yellow dwarf, rice blast, smut, bacterial wilt, soft rot, rot, root rot, fusarium wilt.
Owing to have employed technique scheme, the invention has the beneficial effects as follows:
High-efficiency seed seed coating medicine provided by the invention, pointed strong, versatility is good, has the advantages such as disease-resistant, insect protected, fertilizer conservation and slowly-releasing concurrently; Each raw material components is cheap is simultaneously easy to get, and production cost is low, and each raw material components is environmentally friendly, meets the non-harmful requirement of agricultural production.
Take amino-oligosaccharide as the coating agent for seed of main component, the microenvironment of seed growth can be improved, growing of seed sprouting and seedling can be promoted, improve seedling quality, improve pesticide efficacy, reduce agricultural chemicals diffusion in the environment and the Exposure of non-target, do not remain on blade face, improve the effect of seed coat agent diseases prevention, meet the requirement of green ecological agricultural development.
Described high-efficiency seed seed coating medicine has good film forming and slow-release function, there is higher film strength and absorb water resistance to water and chemical stability, with plant, particularly there is good biocompatibility with crops, this is suitable for plant to construction, particularly very favourable with the microenvironment of crops root growth and development, the present invention can not affect the eupnea of seed, thus can not affect the germination rate of seed.
Alertness dyestuff can show seed treatment situation.
The expulsion rate of dry caudacoria is low, can in soil slow releasing farm chemical ingredients, there is unique water-absorbing-retaining slow releasing function, the microenvironment of seed growth can be improved, thus promote growing of seed sprouting and seedling, improve seedling quality.Slow releasing active ingredient in seed germination, seedling development process simultaneously, improve pesticide efficacy, ensure that limited farm chemical ingredients concentrates on seed and root, reduce agricultural chemicals diffusion in the environment and the Exposure of non-target, improve the effect of seed coat agent diseases prevention sterilization.
The method of process seed provided by the invention, it is simple to operate, and dressing is firmly even, and it is less to meet water-soluble solution; Seed grain after dressing is even, shape, in the same size, good fluidity.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one
A kind of high-efficiency seed seed coating medicine, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 10%, polyvinyl alcohol 18%, adhesive (hydroxypropyl methylcellulose: methylcellulose=5:1) 2%, OP
201%, liquid bright red 0.5%, the rest is water.
Embodiment two
A kind of high-efficiency seed seed coating medicine, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 5%, polyvinyl alcohol 26%, adhesive (hydroxypropyl methylcellulose: methylcellulose=5:1) 1.5%, OP
200.1%, liquid bright red 0.5%, the rest is water.
Embodiment three
A kind of high-efficiency seed seed coating medicine, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 0.5%, polyvinyl alcohol 30%, adhesive (hydroxypropyl methylcellulose: methylcellulose=5:1) 2%, OP
201%, liquid bright red 0.5%, the rest is water.
Embodiment four
A kind of high-efficiency seed seed coating medicine, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 3%, polyvinyl alcohol 15%, adhesive (hydroxypropyl methylcellulose: methylcellulose=5:1) 0.5%, polyoxyethylene alkyl ether 0.05%, liquid bright red 0.1%, the rest is water.
Embodiment five
A kind of high-efficiency seed seed coating medicine, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 4%, polyvinyl alcohol 20%, adhesive (hydroxypropyl methylcellulose: methylcellulose=5:1) 1%, polyoxyethylene alkyl ether 0.2%, liquid bright red 0.2%, the rest is water.
Embodiment six
A kind of high-efficiency seed seed coating medicine, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 5%, polyvinyl alcohol 25%, adhesive (hydroxypropyl methylcellulose: methylcellulose=5:1) 1.5%, polyoxyethylene alkyl ether 0.5%, liquid bright red 0.3%, the rest is water.
Each raw material components in above-described embodiment all can buy from market.
Embodiment seven
All the other components in Example one except amino-oligosaccharide, in clipper, shear-mixed is even, then adds described amino-oligosaccharide, grinds 1 ~ 3h, make the particle diameter of each component in described high-efficiency seed seed coating medicine all at below 5mm in ball crusher or sand mill.
Embodiment eight
All the other components in Example two except amino-oligosaccharide, in clipper, shear-mixed is even, then adds described amino-oligosaccharide, grinds 1 ~ 3h, make the particle diameter of each component in described high-efficiency seed seed coating medicine all at below 5mm in ball crusher or sand mill.
Embodiment nine
All the other components in Example three except amino-oligosaccharide, in clipper, shear-mixed is even, then adds described amino-oligosaccharide, grinds 1 ~ 3h, make the particle diameter of each component in described high-efficiency seed seed coating medicine all at below 5mm in ball crusher or sand mill.
Embodiment ten
A method for high-efficiency seed seed coating medicine process seed, the high-efficiency seed seed coating medicine 100g in Example one, wraps by 5 kilograms of corn seeds, natural air drying.
Embodiment 11
A method for high-efficiency seed seed coating medicine process seed, the high-efficiency seed seed coating medicine 100g in Example two, with existing packaging technique bag by 5 kilograms of corn seeds, natural air drying.
Embodiment 12
A method for high-efficiency seed seed coating medicine process seed, the high-efficiency seed seed coating medicine 100g in Example three, with existing packaging technique bag by 5 kilograms of corn seeds, natural air drying.
Experimental example one
For examination corn, its seed quality testing result: purity >=95.0%, cleanliness >=98.0%, germination rate >=80%, A is commercially available coating agent for seed (25% Diacloden FS), and the high-efficiency seed seed coating medicine that B provides for embodiment one, C is blank.
Test adopt randomized arrangement, repeat 3 times, A, B two kinds of seed coating medicines all prior to seeding 7 days by seed coating medicine: the mass ratio of kind=1:50 carries out artificial dressing, seed pelleting terminate rear shakeout respectively dry for subsequent use.Before sowing, turn in soil, rakes.Then partition, ridging, sowing.Line-spacing 66cm, spacing in the rows is 33cm, the dark 5 ~ 7cm in cave.Earthing after every cave program request corn seed 2.Investigate its emergence rate, 25 days time height of seedling, five leaf phase growing states.When harvest corn, diagonal 5 sampling is surveyed and is produced.Its observed result and conclusion:
The each leaf emergence of table 1
As seen from Table 1, that emergence rate is the highest is B is 89.8%; The blank of next is A to be the 85.2%, three be not dressing is 84.5%.And B seedling go out neat, comparatively contrast is emerged early about 2 days, and seedling color depth is green, Miao Zhuan, Ye Kuan, and root system development is good, to corn growth without poisoning.
Table 2 growth of seedling is dynamic
As shown in Table 2, B seedling growth is better, A and blank growing way general.Corn growth is after 28 days, the highest 128.79g of plant fresh weight B.Above-mentioned situation shows, adopts the present invention can significantly improve the growing ability of corn seedling, plays good facilitation to the growth after seed sprouting, and from height of seedling, stem is thick, radical, root are long, seedling fresh weight and seedling dry weight 6 indexs, and the effect of B is the most obvious.
The control efficiency of different disposal method on smut of maize and the impact of output:
Table 3 different disposal method drug effect and rate schedule
As shown in Table 3, after the coated process of corn seed, smut of maize morbidity is light, relatively prevent and treat efficiency mostly more than 77.8%, wherein B effect is best, and output has significant improvement, the farm chemical ingredients of B is obviously less than A, and the incidence of disease and empty stalk rate are starkly lower than A, B can effectively reduce the usage amount of agricultural chemicals, and improves drug effect.
In sum, the corn seed of high-efficiency seed seed coating medicine provided by the invention process is all significantly increased than the corn seed of additive method process in seedling protecting effect, Comprehensive Traits, output.
Experimental example two
For examination corn, its seed quality testing result: purity >=95.0%, cleanliness >=98.0%, germination rate >=80%, be commercially available seed coat agent (25% Diacloden FS) for examination A, the high-efficiency seed seed coating medicine that B provides for embodiment two, C is blank.
Test adopt randomized arrangement, repeat 3 times, A, B two kinds of seed coating medicines all prior to seeding 7 days by seed: the mass ratio of seed coating medicine: kind=1:50 carries out artificial dressing, seed pelleting terminate rear shakeout respectively dry for subsequent use.Before sowing, turn in soil, rakes.Then partition, ridging, sowing.Line-spacing 66cm, spacing in the rows is 33cm, the dark 5 ~ 7cm in cave.Earthing after every cave program request corn seed 2.Investigate its emergence rate, 25 days time height of seedling, five leaf phase growing states.When harvest corn, diagonal 5 sampling is surveyed and is produced.Its observed result and conclusion as follows:
The each leaf emergence of table 4
As seen from Table 4, that emergence rate is the highest is B is 87.9%; The blank of next is A to be the 84.3%, three be not dressing is 83.5%.And B seedling go out neat, comparatively contrast is emerged early about 2 days, and seedling color depth is green, Miao Zhuan, Ye Kuan, and root system development is good, to corn growth without poisoning.
As shown in Table 5, B seedling growth is better, A and blank growing way general.Corn growth is after 28 days, and plant fresh weight B is up to 124.68g.Above-mentioned situation shows, adopts the present invention can significantly improve the growing ability of corn seedling, plays good facilitation to the growth after seed sprouting, and from height of seedling, stem is thick, radical, root are long, seedling fresh weight and seedling dry weight 6 indexs, and B effect is the most obvious.
The control efficiency of different disposal method on smut of maize and the impact of output:
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, relatively prevents and treats efficiency mostly more than 77.8%.Best with B effect, and output has significant improvement.The farm chemical ingredients of B is obviously less than commercially available seed coat agent, and the incidence of disease and empty stalk rate are starkly lower than commercially available seed coat agent.The usage amount of agricultural chemicals can be effectively reduced, and improve drug effect.
In sum, the corn seed of process of the present invention is all significantly increased than the corn of additive method process in seedling protecting effect, Comprehensive Traits, output.
Experimental example three
For examination corn, its seed quality testing result: purity >=95.0%, cleanliness >=98.0%, germination rate >=80%, be commercially available seed coat agent (25% Diacloden FS) for examination A, the high-efficiency seed seed coating medicine that B provides for embodiment three, C is blank.
Test adopt randomized arrangement, repeat 3 times, A, B two kinds of seed coating medicines all prior to seeding 7 days by seed coating medicine: the mass ratio of seed=1:50 carries out artificial dressing, seed pelleting terminate rear shakeout respectively dry for subsequent use.Before sowing, turn in soil, rakes.Then partition, ridging, sowing.Line-spacing 66cm, spacing in the rows is 33cm, the dark 5 ~ 7cm in cave.Earthing after every cave program request corn seed 2.Investigate its emergence rate, 25 days time height of seedling, five leaf phase growing states.When harvest corn, diagonal 5 sampling is surveyed and is produced.Its observed result and conclusion:
The each leaf emergence of table 7
As seen from Table 7, that emergence rate is the highest is B is 87.6%; The blank of next is A seed coat agent to be the 85.7%, three be not dressing is 84.9%.And B seed coat agent seedling go out neat, comparatively contrast is emerged early about 2 days, and seedling color depth is green, Miao Zhuan, Ye Kuan, and root system development is good.
Table 8 growth of seedling is dynamic
As shown in Table 8, B seedling growth is better, A and blank growing way general.Corn growth is after 28 days, the highest 123.68g of plant fresh weight B.Above-mentioned situation shows, adopt seed coat agent of the present invention can significantly improve the growing ability of corn seedling, play good facilitation to the growth after seed sprouting, from height of seedling, stem is thick, radical, root long, seedling fresh weight and seedling dry weight 6 indexs, and B effect is the most obvious.
The control efficiency of different disposal on smut of maize and the impact of output:
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 effect, and output has significant improvement.The farm chemical ingredients of B is obviously less than commercially available seed coat agent, and the incidence of disease and empty stalk rate are starkly lower than commercially available seed coat agent.The usage amount of agricultural chemicals can be effectively reduced, and improve drug effect.
In sum, the corn of seed coating medicine process of the present invention is all significantly increased than the corn of additive method process in seedling protecting effect, Comprehensive Traits, output.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a high-efficiency seed seed coating medicine, it is characterized in that, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 0.5 ~ 10%, dispersant 15 ~ 30%, adhesive 0.5 ~ 2%, surfactant 0.05 ~ 1%, alertness dyestuff 0.1 ~ 0.5%, the rest is water.
2. high-efficiency seed seed coating medicine as claimed in claim 1, is characterized in that, by weight percentage, described high-efficiency seed seed coating medicine is made up of following component: amino-oligosaccharide 5%, dispersant 25%, adhesive 2%, surfactant 1%, alertness dyestuff 0.5%, the rest is water.
3. high-efficiency seed seed coating medicine as claimed in claim 1, it is characterized in that, described dispersant is polyvinyl alcohol.
4. high-efficiency seed seed coating medicine as claimed in claim 1, it is characterized in that, described adhesive is hydroxypropyl methylcellulose and methylcellulose, and both mass ratioes are 5:1.
5. high-efficiency seed seed coating medicine as claimed in claim 1, it is characterized in that, described surfactant is polyoxyethylene alkyl ether.
6. high-efficiency seed seed coating medicine as claimed in claim 6, it is characterized in that, described surfactant is OP
20.
7. high-efficiency seed seed coating medicine as claimed in claim 1, it is characterized in that, described alertness dyestuff is that liquid is bright red.
8. the preparation method of the high-efficiency seed seed coating medicine as described in any one of claim 1-7, it is characterized in that, described preparation method comprises the following steps: get all the other components except amino-oligosaccharide in proportion, in clipper, shear-mixed is even, then described amino-oligosaccharide is added, in ball crusher or sand mill, grind 1 ~ 3h, make the particle diameter of each component in described high-efficiency seed seed coating medicine all at below 5mm.
9. the method for the high-efficiency seed seed coating medicine process seed as described in any one of claim 1-7, is characterized in that, is the ratio of 1:50 in mass ratio, carries out manual dressing or mechanical dressing by existing packaging technique by described high-efficiency seed seed coating medicine and seed.
10. the application of the high-efficiency seed seed coating medicine as described in any one of claim 1-7 in the virus of control fruit tree, vegetables, underground rhizome, tobacco, traditional Chinese medicine and grain and cotton crop, bacterium, fungus-caused mosaic disease, little leaf, spot disease, anthracnose, downy mildew, epidemic disease, blight dis-ease, yellow dwarf, rice blast, smut, bacterial wilt, soft rot, rot, root rot, fusarium wilt.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766897A (en) * | 2016-04-01 | 2016-07-20 | 广西南宁益土生物科技有限责任公司 | Suspended seed coating for early sprouting of seeds |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN108377693A (en) * | 2018-05-16 | 2018-08-10 | 安徽梅兰园林景观工程有限公司 | A kind of efficient silk tree coating agent for seed and its application method |
| CN108640775A (en) * | 2018-07-31 | 2018-10-12 | 合肥仙之峰农业科技有限公司 | A kind of coating agent for seed and preparation method thereof |
| CN112715548A (en) * | 2021-01-30 | 2021-04-30 | 兰州大学 | Composition for reducing incidence of plant bacterial wilt and application thereof |
| CN113951279A (en) * | 2021-11-04 | 2022-01-21 | 河南科技大学 | Bacteriostatic combination liquid for preventing and treating tobacco bacterial wilt as well as preparation method and application thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766897A (en) * | 2016-04-01 | 2016-07-20 | 广西南宁益土生物科技有限责任公司 | Suspended seed coating for early sprouting of seeds |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN108377693A (en) * | 2018-05-16 | 2018-08-10 | 安徽梅兰园林景观工程有限公司 | A kind of efficient silk tree coating agent for seed and its application method |
| CN108640775A (en) * | 2018-07-31 | 2018-10-12 | 合肥仙之峰农业科技有限公司 | A kind of coating agent for seed and preparation method thereof |
| CN112715548A (en) * | 2021-01-30 | 2021-04-30 | 兰州大学 | Composition for reducing incidence of plant bacterial wilt and application thereof |
| CN113951279A (en) * | 2021-11-04 | 2022-01-21 | 河南科技大学 | Bacteriostatic combination liquid for preventing and treating tobacco bacterial wilt as well as preparation method and application thereof |
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Application publication date: 20151118 |