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Bactericide composition containing low molecular chitosanchitooligosaccharide

A technology of fungicide composition and oligochitosan, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of frequent pesticide application farmers, aggravate environmental pollution, and chemical control problems, and achieve self-enhancement Defense ability, promotion of crop growth, and effect of reducing pesticide residues

Active Publication Date: 2014-01-08
江苏耘农化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, many types of pathogenic bacteria have developed resistance to some frequently used pesticides, such as powdery mildew, anthracnose and other plant pathogenic bacteria, which are very common and have become a major problem in chemical control
Due to the development of resistance of pathogens, frequent application of pesticides, increased burden on farmers and increased environmental pollution
In areas where certain diseases occur seriously, it is difficult to control conventional pesticides alone, and the effect is very poor

Method used

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  • Bactericide composition containing low molecular chitosanchitooligosaccharide
  • Bactericide composition containing low molecular chitosanchitooligosaccharide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1: 30% water dispersible granules of butypyrmorph,

[0028] Weigh 30% butypyrmorpholine, 1% oligomeric chitosan, 5% pyrrolidone polymer, 7.2% alkylphenol polyoxyethylene ether, 6% naphthalenesulfonic acid formaldehyde polymer, 1% defoamer, ethyl Cellulose is 5% and kaolin is supplemented to 100%. The above-mentioned raw materials are conventionally mixed, pulverized by ultrafine airflow, granulated through a screen with a certain aperture, dried, and sieved to prepare water dispersible granules.

Embodiment 2

[0029] Example 2: 25% azoxystrobin water dispersible granules,

[0030] Weigh 25% azoxystrobin, 1% oligochitosan, 5% pyrrolidone polymer, 7.2% alkylphenol polyoxyethylene ether, 6% naphthalenesulfonic acid formaldehyde polymer, 1% defoamer, ethyl fiber Vegetarian 5%, kaolin makes up to 100%. The above-mentioned raw materials are conventionally mixed and pulverized by ultra-fine airflow, then extruded and granulated through a screen with a certain aperture, dried, and sieved to prepare water dispersible granules.

Embodiment 3

[0031] Example 3: 50% Kresoxim-methyl water dispersible granules,

[0032] Weigh 50% Kresoxim-methyl, 2% oligochitosan, 10% naphthalenesulfonic acid formaldehyde polymer, 8.2% alkylphenol polyoxyethylene ether, 2% adhesive CMC, 5% pyrrolidone polymer, and defoamer 1%, kaolin makes up to 100%. The above-mentioned raw materials are conventionally mixed and pulverized by ultra-fine airflow, then extruded and granulated through a screen with a certain aperture, dried, and sieved to prepare water dispersible granules.

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Abstract

The invention relates to a bactericide composition containing low molecular chitosanchitooligosaccharide. The bactericide composition comprises low molecular chitosanchitooligosaccharide and a second active ingredient; t. The bactericide composition is characterized in that the mass ratio of low molecular chitosanchitooligosaccharide to the second active ingredient is 0.01-100 and the second active ingredient is one of pyrimorph, kresoxim methyl, azoxystrobin, difenoconazole, pyrimethanil and dimethomorph; the balance is an auxiliary agent which is allowed and acceptable in pesticide; t. The low molecular chitosanchitooligosaccharide and the second active ingredient of the bactericide composition are reasonably matched according to a specific ratio and can be blended into wettable powder, water dispersible granules and a suspending agent. The bactericide composition containing low molecular chitosanchitooligosaccharide has an obvious synergistic effect, can stimulate crop production and increase yield and is mainly used for preventing and controlling diseases of fruit trees, vegetables and cereal crops and solving the problem that resistance is easily formed when a single dosage pesticide is used.

Description

Technical field [0001] The invention relates to a pesticide bactericide composition containing chitosan (oligochitosan). Background technique [0002] Chemical control is the main effective means to prevent and control crop diseases in agricultural production. However, in recent years, many types of pathogenic bacteria have developed resistance to some frequently used pesticides. For example, the resistance of plant pathogens such as powdery mildew and anthracnose is very common and has become a major problem in chemical control. Due to the resistance of pathogens, frequent pesticide application and increased burden on farmers and increased environmental pollution. In some areas with serious diseases, it is difficult to prevent and control conventional pesticides alone, and the effect is very poor. Therefore, there is an urgent need to find efficient, safe, and environmentally friendly new fungicides and practical prevention methods. [0003] Chitin is the only homogeneous polys...

Claims

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Application Information

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IPC IPC(8): A01N43/84A01N43/54A01N43/653A01P3/00A01N43/16A01N37/50
Inventor 罗志会张岐李泽方于康平刘慕兰张海军
Owner 江苏耘农化工有限公司
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