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Novel biological seed coating agent and preparation method thereof

A coating agent and seed technology, applied in the fields of botanical equipment and methods, biocides, chemicals for biological control, etc. The film-forming agent has poor biocompatibility and other problems, and achieves good film-forming and sustained-release functions, high film-forming strength, water absorption and water resistance, chemical stability, and good film-forming properties.

Inactive Publication Date: 2015-04-29
天津市工业微生物研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Due to the contradictory characteristics of film-forming agents such as water permeability and water resistance, most current film-forming agents cannot combine the advantages of strong biocompatibility and high film-forming strength.
If the biocompatibility of the film-forming agent is poor, it will not be able to create a microenvironment suitable for the life activities of the seeds, which will have a certain impact on the germination of the seeds and the growth of the seedlings; due effect

Method used

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  • Novel biological seed coating agent and preparation method thereof
  • Novel biological seed coating agent and preparation method thereof
  • Novel biological seed coating agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The inventor has carried out field test in Tianjin. The test site is in Jinghai County, Tianjin City, and the test soil fertility is average. The component of seed coating agent used in the present invention is:

[0029] Bacillus colloidus 6g, Bacillus amyloliquefaciens 12g, Bacillus lateralis 12g bacteria powder 30g, humic acid 50g, pullulan 1g, polyvinyl alcohol 18g, phenylethylphenol polyoxyethyl ether 0.5 g, Gentian Violet 0.5g, prepared coating agent 100g, coated with 5 kilograms of cotton seeds, and naturally air-dried.

[0030] The quality test results of the tested seeds: purity ≥ 85%; germination rate ≥ 85%, water content ≤ 12%; Test A is the above-mentioned seed coating agent, B is the chemical agent coating agent, and C is the blank control.

[0031] The experiment was randomly arranged, repeated 3 times, 3 treatments, 9 plots, plot area 20m 2 . The coating of the medicament is artificially coated at the concentration of coating agent: seed 1:50 7 days be...

Embodiment 2

[0046] The inventor has carried out field test in Tianjin. The test site is in Jinghai County, Tianjin City, and the test soil fertility is average. The component of seed coating agent used in the present invention is:

[0047] Bacillus coliformis 3g, Bacillus amyloliquefaciens 10g, Bacillus lateralis 12g bacterial powder 25g, humic acid 55g, pullulan 1.5g, polyvinyl alcohol 17g, alkyl cresol formaldehyde polyoxyethyl ether 1g, gentian violet 0.5g, prepared coating agent, 100g was coated with 5 kilograms of cotton seeds, and air-dried naturally.

[0048] The quality test results of the tested seeds: purity ≥ 85%; germination rate ≥ 85%, water content ≤ 12%; Test A is the above-mentioned seed coating agent, B is the chemical agent coating agent, and C is the blank control.

[0049] The experiment was randomly arranged, repeated 3 times, 3 treatments, 9 plots, plot area 20m 2 . The coating of the medicament is artificially coated at the concentration of coating agent: seed 1...

Embodiment 3

[0055] The inventor has carried out field test in Tianjin. The test site is in Jinghai County, Tianjin City, and the test soil is of average fertility. The component of seed coating agent used in the present invention is:

[0056] Bacillus colloidus 4g, Bacillus amyloliquefaciens 8g, Bacillus lateralis 8g bacteria powder 20g, humic acid 50g, pullulan 1.5g, polyvinyl alcohol 27g, phenylethylphenol polyoxyethyl ether 1g, 0.5g of gentian violet, prepared 100g of coating agent, coated with 5 kg of cotton seeds, and air-dried naturally.

[0057] The quality test results of the tested seeds: purity ≥ 85%; germination rate ≥ 85%, water content ≤ 12%; Test A is the above-mentioned seed coating agent, B is the chemical agent coating agent, and C is the blank control.

[0058] The experiment was randomly arranged, repeated 3 times, 3 treatments, 9 plots, plot area 20m 2 . The coating of the medicament is artificially coated at the concentration of coating agent: seed 1:50 7 days bef...

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Abstract

The invention relates to a novel biological seed coating agent. The biological seed coating agent comprises components in parts by weight as follows: 15-30 parts of bacterial powder and 70-85 parts of a seed coating agent aid, wherein the bacterial powder comprises bacillus mucilaginosus, bacillus amyloliquefaciens and bacillus laterosporus in the weight part ratio of (1-3):(2-4):(2-4); the seed coating agent aid comprises components in parts by weight as follows: 40-60 parts of humic acid, 0.5-5 parts of Pulullan, 15-30 parts of polyvinyl alcohol, 0.05-1 part of a surfactant and 0.1-0.5 parts of a vigilant dye. The novel biological seed coating agent has good film-forming and slow-release functions, has higher film-forming strength, water-absorbing and water-resistant performance and chemical stability, has good biocompatibility with plants and cannot affect the germination rate of seeds; the seed coating agent prepared from bacterial powder of the bacillus mucilaginosus, the bacillus amyloliquefaciens and the bacillus laterosporus has effects of preventing and treating crop diseases and insect damage and promoting plant growth.

Description

technical field [0001] The invention relates to the field of seed coating agents, in particular to a novel biological seed coating agent and a preparation method thereof. Background technique [0002] Seed coating uses seeds as carriers and coating equipment as a means to evenly and effectively coat the seed coating agents (usually gel suspension) containing pesticides, fertilizers, growth regulators and other active ingredients on the surface of seeds in a certain proportion. The processing and treatment technology is a new seed treatment technology widely used in the world developed on the basis of traditional seed soaking and seed dressing. organic combination. Seed coating technology has obvious effects on improving seed emergence rate and preventing crop pests and diseases at the seedling stage, and has the effects of promoting seedling growth, increasing yield, saving pesticide and seed consumption, reducing field fertilizer input and farmland ecological environment p...

Claims

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Application Information

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IPC IPC(8): A01N63/00A01N25/00A01P1/00A01P3/00A01P5/00A01P21/00
Inventor 马琳孙武岳赵琼张英筠韩慧许德敏程伟曹琳琳吴頔
Owner 天津市工业微生物研究所有限公司
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