Application technique of compound of dimethyl disulfide and chloreopicrin as soil fumigant

A technology of dimethyl disulfide and dimethyl disulfide, which is applied in the fields of application, biocide, fungicide, etc., can solve the problems of general nematode control effect and so on

Inactive Publication Date: 2009-07-29
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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  • Abstract
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Problems solved by technology

However, chloropicrin has a good control effect on pathogenic bacte

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  • Application technique of compound of dimethyl disulfide and chloreopicrin as soil fumigant

Examples

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Embodiment Construction

[0006] In order to better illustrate the present invention, the following examples are further described. However, those skilled in the art should understand that the present application is not limited only to the scope of the following examples.

[0007] Implementation example 1:

[0008] 98% Pesticide A 2.428 kg, 90% Pesticide B 4.769 kg, add 1-20% Nongru 500, Nongru 600#, Nongru 600", Tween 20, Tween 80 or Several mixtures are mixed and applied in the field through drip irrigation facilities according to a certain amount. When applying, all treatment areas need to be covered with plastic film to prevent the fumigant from leaking out. The fumigation time is 15 days. After the fumigation, it should be open for 7-10 days. Then transplant the crops.

[0009] Implementation example 2:

[0010] 2.428 kg of 98% pesticide technical A, 4.769 kg of 90% pesticide technical B, after mixing, apply in the field through a syringe or other injection facilities according to a certain amo...

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Abstract

The invention relates to a soil fumigant, namely dimethyl disulfide (another name: dimethyl disulfide, methyl disulfide, dimethyl disulfide, DMDS, C2H6S2), which is applicable to the control of crops such as vegetables, strawberries, flowers, melons, orchards, vineyards, Chinese herbal medicines, and can effectively kill eelworms, soil-borne pathogenic fungi, weeds, underground pests, and the like, in the soil. The dimethyl disulfide can be processed into missible oil, and the missible oil is applied in the field through drip irrigation; a raw medicine can be directly applied by an injection method; and the raw material can be processed into capsules to be directly used in the field.

Description

technical field [0001] The present invention relates to utilizing compound soil fumigant dimethyl disulfide (alias: dimethyl disulfide; Dimethyl disulfide; Dimethyl disulfide; DMDS, C 2 h 6 S 2 ) to control root-knot nematodes and other soil nematodes on vegetables, strawberries, flowers, melons and other protected crops. The compound has a good inhibitory effect on soil-borne pathogen Fusarium spp; , Phytophthora (Phytophthora spp) fungi also have a certain control effect. Chloropicrin can effectively control the fungi of the genus Rhizobasidiomycetes, Spinosa, Cylindromyces, Fusarium, Phytophthora, Pythium, Rhizoctonia, Verticillium, and Agrobacterium Bacteria are also effective and have some effect on underground pests and soil nematodes. In order to combine the advantages of both, we will use these two soil fumigants in combination in order to further enhance their broad spectrum. The specific method is that the two compounds are mixed according to the ratio and then ...

Claims

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Application Information

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IPC IPC(8): A01N33/18A01N25/18A01P5/00A01P13/00A01P3/00A01N31/02
Inventor 曹坳程宋兆欣郭美霞王秋霞赵云
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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