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Bactericide composition containing oligosaccharide and copper

A fungicide composition and oligosaccharide technology, applied in the field of pesticides, can solve the problems of biological activity decline and achieve the effects of delaying drug resistance, overcoming drug resistance, and human safety

Inactive Publication Date: 2012-07-04
HAINAN ZHENGYE ZHONGNONG HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Any small change may reduce the biological activity by hundreds or even thousands of times

Method used

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  • Bactericide composition containing oligosaccharide and copper
  • Bactericide composition containing oligosaccharide and copper

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] Example one: the preparation of 5% pectin oligosaccharide+20% copper acetate aqueous preparation, the weight ratio of each component is:

[0020] Pectin oligosaccharides 5% (weight)

[0021] Copper acetate 20% (weight)

[0022] Surfactant: Alkylphenol Ethoxylates 20% by weight

[0023] Co-solvent: methanol 10% (weight)

[0024] Stabilizer: Ethylene Glycol 5%; (by weight)

[0025] Solvent: Tap water 40% by weight

[0026] Weigh the total amount of each component in proportion to 100%, put it into the reaction kettle and mix thoroughly to get the product

example 2

[0027] Example two: the preparation of 5% chitosan oligosaccharide+13% copper rosinic acid water emulsion preparation, wherein the weight ratio of each component is:

[0028] Oligochitosan 5% (weight)

[0029] Copper rosinate 13% (weight)

[0030] Surfactant: castor oil polyoxyethylene ether 15% (weight)

[0031] Co-solvent: xylene 20% (weight)

[0032] Antifreeze Thickener: Polyethylene Glycol 5% by weight

[0033] Solvent: Tap water 42% by weight

[0034] Mix all the components thoroughly and stir thoroughly to obtain the product.

example 3

[0035] Example three: the configuration of 2% pectin oligosaccharide+30% copper succinic acid wettable powder preparation, wherein the weight ratio of each component is:

[0036] Pectin oligosaccharides 2% (weight)

[0037] Copper succinate 30% by weight

[0038] Wetting agent: sodium dodecylbenzene sulfonate 15% by weight

[0039]Dispersant: NNO 10% (weight)

[0040] Filler: Silica 43% by weight

[0041] The components are dried, mixed and ground to obtain the product.

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Abstract

The invention relates to a bactericide composition containing oligosaccharide and copper. The composition is characterized by being prepared from main active ingredients such as oligosaccharide and a copper preparation and pesticide auxiliaries and comprising the following components in percentage by weight: 1-45% of oligosaccharide, 1-50% of copper preparation and the balance of pesticide auxiliaries, wherein the oligosaccharide is one of amino-oligosaccharin (chitosan oligosaccharide), oligogalacturonide acid (pectic oligosaccharide, oligosaccharin) and sodium alginate oligosaccharide; the copper preparation is an inorganic copper or organic copper bactericide; and the dosage form of the bactericide composition can be water agents, emulsion in water, wettable powder, water dispersible granules, suspensions, granules, paste or microcapsule sustained-release agents. The composition has the following beneficial effects: the drug resistance of crops is overcome and delayed; the disease resistance of the crops is improved; the composition can generate synergy together with chemical bactericides; and the composition is safe in application and is safe to the environment and people.

Description

technical field [0001] A fungicide composition containing oligosaccharides and copper relates to the compounding of a large part of copper-based pesticides and belongs to the technical field of pesticides. Background technique [0002] At present, chemical pesticides have played a huge role in increasing agricultural production and ensuring income due to their fast, effective and low prices. However, if they are used indiscriminately, they will cause serious problems such as ecological environment pollution and drug residues, and lead to the development of pathogenic bacteria resistance. Continuously enhancing and increasing numbers of pathogenic variants. Therefore, the use of many pesticides has been gradually banned, and there is an urgent need to develop new pollution-free and degradable biopesticides. As a biopesticide, oligosaccharides have the advantages of being harmless to humans and the ecological environment, lasting efficacy, not easy to produce drug resistance,...

Claims

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Application Information

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IPC IPC(8): A01N59/20A01N55/02A01N43/16A01P1/00A01P3/00A01P21/00
Inventor 陆红霞张善学肖斌
Owner HAINAN ZHENGYE ZHONGNONG HIGH TECH
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