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Drought-resistant seed coating agent for foxtail millet as well as preparation method and application of drought-resistant seed coating agent

A millet and coloring agent technology, applied in the field of millet drought-resistant seed coating agent and its preparation, can solve the problems of millet drought-resistant seedling protection limited effect, ecological agriculture threat, environmental pollution, etc., to achieve the effect of overcoming the effect is not obvious, air permeability and water permeability are good , to ensure the effect of normal germination

Active Publication Date: 2021-11-23
SHANXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the main purpose of using seed coating agents in production is to prevent and control diseases and insect pests, and the application effect is better in irrigated land or farmland where irrigation is more convenient; for millet growing in arid and semi-arid areas, water restricts the growth and development of millet The key factor is that traditional seed coating agents have limited effect on drought resistance and seedling protection of millet
In addition, most of the currently developed drought-resistant seed coatings contain pesticide ingredients that have bactericidal and insecticidal effects, such as thiamethoxam, difenoconazole, and enoxastrobin. The residue of these ingredients in the soil will cause a certain degree of Environmental pollution poses a serious threat to my country's ecological agriculture

Method used

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  • Drought-resistant seed coating agent for foxtail millet as well as preparation method and application of drought-resistant seed coating agent
  • Drought-resistant seed coating agent for foxtail millet as well as preparation method and application of drought-resistant seed coating agent
  • Drought-resistant seed coating agent for foxtail millet as well as preparation method and application of drought-resistant seed coating agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The present embodiment provides a millet drought-resistant seed coating agent, which is composed of the following raw materials in mass percentage: 0.5% chitosan, 0.25% polyvinyl alcohol, 0.03% calcium chloride, 0.02% gibberellin, 0.002% melatonin, Carmine 1%, the rest is water.

[0042] Wherein, the millet variety used in this embodiment is Changnong No. 35.

[0043] A preparation method of millet drought-resistant seed coating agent, comprising the following steps:

[0044]Step 1. In a large open container, add a certain amount of water in advance, weigh polyvinyl alcohol according to the mass percentage of the formula composition, and add it to the container. After stirring evenly, raise the temperature to 90°C to accelerate dissolution; Add glacial acetic acid, stir while adding, and test the pH value of the solution by pH test paper until the pH of the solution is adjusted to 6.5;

[0045] Step 2, adding chitosan in the container according to the mass percentage ...

Embodiment 2

[0050] A drought-resistant seed coating agent for millet, which is composed of the following raw materials in mass percentage: 0.8% chitosan, 0.4% polyvinyl alcohol, 0.025% calcium chloride, 0.015% gibberellin, 0.004% melatonin, and 0.6% magenta , and the rest is water.

[0051] Wherein, the millet variety used in this embodiment is Jigu No. 20.

[0052] A preparation method of millet drought-resistant seed coating agent, comprising the following steps:

[0053] Step 1. In a large open container, add a certain amount of water in advance, weigh polyvinyl alcohol according to the mass percentage of the formula composition, and add it to the container. After stirring evenly, raise the temperature to 95°C to accelerate dissolution; Add glacial acetic acid, stir while adding, and test the pH value of the solution by pH test paper until the pH of the solution is adjusted to 6.6;

[0054] Step 2, adding chitosan in the container according to the mass percentage of the formula compo...

Embodiment 3

[0059] A drought-resistant seed coating agent for millet, which is composed of the following raw materials in mass percentage: 0.6% chitosan, 0.3% polyvinyl alcohol, 0.05% calcium chloride, 0.025% gibberellin, 0.005% melatonin, and 0.8% rhodamine , and the rest is water.

[0060] Wherein, the millet variety used in this embodiment is No. 21 Jingu.

[0061] A preparation method of the above-mentioned millet drought-resistant seed coating agent, comprising the following steps:

[0062] Step 1. In a large open container, add a certain amount of water in advance, weigh polyvinyl alcohol according to the mass percentage of the formula composition, and add it to the container. After stirring evenly, raise the temperature to 93°C to accelerate dissolution; Add glacial acetic acid, stir while adding, and test the pH value of the solution by pH test paper until the pH of the solution is adjusted to 6.8;

[0063] Step 2, adding chitosan in the container according to the mass percentag...

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Abstract

The invention belongs to the field of plant technology protection, and particularly relates to a drought-resistant seed coating agent for foxtail millet and a preparation method and application of the drought-resistant seed coating agent. In order to improve the drought resistance of foxtail millet and overcome the defects that a foxtail millet seed coating agent is prone to falling off and large in active ingredient loss, the drought-resistant foxtail millet seed coating agent is prepared from, by mass, 0.5%-0.8% of chitosan, 0.25%-0.4% of polyvinyl alcohol, 0.025%-0.05% of calcium chloride, 0.015%-0.025% of gibberellin, 0.002%-0.005% of melatonin, 0.5%-1% of coloring agent and the balance water. The drought-resistant seed coating agent can improve the emergence rate of millet in drought soil and the drought resistance of seedlings; the seed coating agent is simple in preparation method, low in cost, environment-friendly and pollution-free, and has obvious environmental benefits and economic benefits.

Description

technical field [0001] The invention belongs to the field of plant technology protection, in particular to a millet drought-resistant seed coating agent and its preparation method and application. Background technique [0002] Millet (Setaria italica) is a food crop in the arid and semi-arid regions of northern my country. It is threatened by drought stress to varying degrees throughout its growth period, especially at the sowing and emergence stages, which can cause uneven emergence. , lack of seedlings and broken ridges, slow growth and other phenomena, eventually leading to a decline in yield and quality. Seed coating technology is an advanced technology to improve seed quality and promote the standardization of seed industrialization. Growth regulators, pesticides, micro-fertilizers, etc. The slow release of active substances plays a role in regulating plant growth, preventing diseases and controlling insects, and improving plant stress resistance. It has the advantages ...

Claims

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Application Information

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IPC IPC(8): A01N43/16A01N59/08A01N43/12A01N45/00A01N43/38A01N25/10A01P21/00A01C1/06
CPCA01N43/16A01N59/08A01N43/12A01N45/00A01N43/38A01N25/10A01C1/06Y02A50/30
Inventor 韩彦莎张曼仪慧兰
Owner SHANXI UNIV
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