Biological pesticide dust agent

A bio-pesticide and dust technology, applied in the field of pesticides, can solve the problems of increasing air humidity in facilities, unfavorable pests and diseases, and high labor intensity, and achieve the effects of increasing suspension time, saving pesticides, and good spraying performance

Inactive Publication Date: 2014-07-16
INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method of pesticide application is generally carried out by spraying. This method is labor-intensive, labor-intensive, and costly. It will further increase the air humidity in the facility, which is not conducive to the control of pests and diseases.

Method used

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  • Biological pesticide dust agent
  • Biological pesticide dust agent
  • Biological pesticide dust agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] 4×10 8 Preparation of a spore / gram subtilis spore dust agent and determination of its control effect on potted cucumber botrytis:

[0048] Recipe 1 4×10 9 spores / gram subtilis spore powder: sodium lauryl sulfate: sodium lignosulfonate: sodium carboxymethylcellulose: diatomaceous earth: white carbon black = 10:1.5:5:2:66.5:15. Among them, 4×10 9 A spore / gram subtilis spore powder accounts for 10% of the total weight, the wetting agent sodium lauryl sulfate accounts for 1.5% of the total weight, the dispersant sodium lignosulfonate accounts for 5% of the total weight, and the protective agent carboxymethyl cellulose 2% of plain sodium, diatomaceous earth accounts for 66.5% of the total weight, and white carbon black accounts for 15% of the total weight. After mixing, jet mill crushing and secondary mixing, the fineness of the dust agent reaches D90=19.10μm, D50=8.13μm, D10=2.814μm

[0049] Recipe 2 4×10 9 spores / gram subtilis spore powder: sodium lauryl sulfate: sodi...

Embodiment 2

[0055] The configuration of different concentrations of Bacillus subtilis dust agent and its effect on the control of potted zucchini powdery mildew:

[0056] Blank powder configuration: sodium lauryl sulfate: sodium lignosulfonate: sodium carboxymethyl cellulose: diatomaceous earth: white carbon black = 1.5:5:2:76.5:15. Wherein, each dose of Bacillus subtilis powder accounts for 10% of the total weight, the wetting agent sodium lauryl sulfate accounts for 1.5% of the total weight, the dispersant sodium lignosulfonate accounts for 5% of the total weight, and the protective agent carboxymethyl fiber 2% of plain sodium, diatomaceous earth accounts for 66.5% of the total weight, and white carbon black accounts for 15% of the total weight. After mixing, jet mill pulverization and secondary mixing, the fineness of dust agent reaches D90=16.15μm, D50=9.32μm, D10=3.77μm.

[0057] Configuration of different concentrations of subtilis spore dust agent: combine 2×10 9 A spore / gram sub...

Embodiment 3

[0071] 2×10 8 spores / gram Gliocus dust agent preparation: 4×10 9 spores / gram Glycladium powder accounts for 5% of the total weight, the wetting agent saponin powder accounts for 1.5% of the total weight, the dispersant sodium lignosulfonate accounts for 5% of the total weight, and the protective agent sodium carboxymethylcellulose 2%, diatomite accounts for 71.5% of the total weight, and white carbon black accounts for 15% of the total weight. After mixing, jet mill pulverization and secondary mixing, the fineness of dust agent reaches D90=17.23μm, D50=15.22μm, D10=7.35μm.

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Abstract

The invention discloses a dust agent with biological pesticides as effective components and a using method thereof. The biological pesticide dust agent adopts raw drugs, mother powders, powder agents, wettable powders, fine granules and other powder preparations of one or more biological pesticides as the effective components, a certain amount of a carrier and auxiliary agents are added, and the biological pesticide dust agent is prepared through air flow pulverizing; the fineness of the biological pesticide dust agent comprises that D90 is less than 53 [mu]m, D50 is less than 37 [mu]m, and D10 is more than 2 [mu]m. The dust agent is applied by a powder spraying method, and can be used for prevention and treatment of diseases and insect pests in facilities or outdoor horticultural plants. After application, the dust agent can perform all-dimensional motion in air and can be lastingly suspended in the air, so that the dust agent can be well diffused, penetrated and go deep to a relatively hidden part in a plant canopy, has high attachment uniformity, and is in favor of playing a better drug effect. In the production application, the using method has the characteristics of water saving, labor saving, effort saving and drug saving, is not affected by climate conditions, and overcomes the disadvantages that a conventional atomizing method adopts much water for drug application and easily induces high wet disease.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a preparation method and application technology of a dust agent with biological pesticides as active ingredients. Background technique [0002] Pests and diseases have always been the main factors restricting crop production. In my country's agricultural production, the control of diseases and insect pests mainly relies on the control of chemical pesticides. The large investment and long-term use of chemical pesticides have brought many problems, such as the resistance of pests and pathogenic bacteria, the residues in agricultural products, and the increase of residues in animals that feed on these crops due to bioaccumulation, affecting the viability of crops. Pollution-friendly green production also poses certain obstacles to export trade. Therefore, people consider using biological pesticides to gradually replace chemical pesticides. Biopesticides have the advantages of b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/12A01N63/04A01N63/00A01N43/16A01P3/00A01P7/04
CPCY02A50/30
Inventor 李宝聚谢学文石延霞王丹秋柴阿丽
Owner INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI
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