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Soil-fumigating nematicide and using method thereof

A nematicide and soil technology, applied in the direction of nematicides, biocides, biocides, etc., to solve the inconvenience of use

Inactive Publication Date: 2010-12-22
SHANDONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] None of the above methods involves how to suppress the volatilization of 1,3-dichloropropene to prevent the stinging effect on users; nor does it involve the problem of processing the agent into emulsifiable concentrate preparations and matching methods for manual application

Method used

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  • Soil-fumigating nematicide and using method thereof
  • Soil-fumigating nematicide and using method thereof
  • Soil-fumigating nematicide and using method thereof

Examples

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example 1

[0033] Example 1: the content of 1,3-dichloropropene in a kind of soil fumigation nematicide and its method of use involved in the present invention is 92% (approximately 97% crude oil 95%), wherein the trans body and the cis body are each About 50%; containing 2% cottonseed oil as a volatilization inhibitor, and 4% calcium dodecylbenzenesulfonate and alkylphenol polyoxyethylene ether formaldehyde condensate or phenylethylphenol polyoxyethylene ether formaldehyde condensate A special compound emulsifier.

example 2

[0034] Example 2: The content of 1,3-dichloropropene trans-isomer in a kind of soil fumigation nematicide and its method of use involved in the present invention is 90% (approximately 97% crude oil 93%); containing 5% vegetable oil to inhibit volatilization It contains 3% cottonseed oil as a volatilization inhibitor, and 4% calcium dodecylbenzenesulfonate and alkylphenol polyoxyethylene ether formaldehyde condensate or phenethylphenol polyoxyethylene ether formaldehyde condensate. Special compound emulsifier.

example 3

[0035] Example 3: The content of 1,3-dichloropropene trans-isomer in a kind of soil fumigation nematicide and its method of use involved in the present invention is 90% (approximately 97% crude oil 93%); containing 5% vegetable oil to inhibit volatilization It contains 3% engine oil as a volatilization inhibitor, and also contains 4% calcium dodecylbenzenesulfonate and alkylphenol polyoxyethylene ether formaldehyde condensate or styrene ethylphenol polyoxyethylene ether formaldehyde condensate. Compound emulsifier.

[0036] According to the raw material weight ratio of above-mentioned various compositions, with 1,3-dichloropropene (1) vegetable oil or mineral oil suppress volatile agent (2), special compound emulsifier (3) stirring and mixing (4), then carry out finished product packing ( 5).

[0037] The present invention relates to a kind of soil fumigation nematocide and its use method. Dilute the emulsifiable oil with water 2-500 times, manually apply the liquid medicine...

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Abstract

The invention relates to a soil-fumigating nematicide and a using method thereof. The soil-fumigating nematicide contains 1,3-dichloropropylene trans-or cis-form body and trans-form body mixture, vegetable oil or mineral oil as a volatilization inhibitor, and a special composite emulsifier or additionally contains a proper amount of organic solvents. The nematicide is diluted by adding water and prepared into an emulsion for manually treating soil, thereby solving the problem that 1,3-dichloropropylene can not be manually used, also avoiding pricking users and reducing the volatilization losses of active constituents by controlling the volatilization of the 1,3-dichloropropylene, and the nematicide is quite suitable for preventing and controlling knot nematodes of various greenhouse vegetables comprising tomatoes, cucumbers, pumpkins, eggplants, cayenne peppers, kidney beans, cowpeas and the like and is also suitable for controlling the knot nematodes of commercial crops comprising gingers, vegetables, peanuts and the like. The soil-fumigating nematicide has ideal control effect, safety for users and the planted crops and obvious economic and social benefits.

Description

(1) Field of invention: [0001] The present invention relates to a soil fumigation nematicide and its application method, which contains 1,3 dichloropropene (1,3-dichloropropene), a special compound emulsifier, a volatile inhibitor and an emulsifiable concentrate (EC) preparation. At the same time, the present invention relates to a method for preventing and treating vegetable root-knot nematode disease by using 1,3-dichloropropene emulsifiable concentrate preparation. The composition can also be widely used for various crop root-knot nematodes and soil-transmitted plant diseases, has great application value and remarkable economic and social benefits. 2) Technical background: [0002] 1,3-dichloropropene is one of the high-boiling point by-products of 3-chloropropene or propylene oxide chemical products produced by chemical enterprises, and 1,3-dichloropropene can be separated by distillation. 1,3-dichloropropene has two isomers: cis-1,3-dichloropropene (hereinafter referre...

Claims

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Application Information

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IPC IPC(8): A01N29/02A01N25/18A01P5/00
Inventor 王开运薛明
Owner SHANDONG AGRICULTURAL UNIVERSITY
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