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Mixed pesticide capsule preparation for preventing and treating nematode and soil-borne disease

A soil-borne disease and capsule technology, applied in the directions of nematicides, biocides, biocides, etc., can solve the problems of personnel injury, environmental pollution, and inconvenient application.

Inactive Publication Date: 2009-07-15
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Through indoor bioassay experiments, it is concluded that 1,3-dichloropropene has a good control effect on nematodes in the soil, but the control effect on soil-borne diseases has certain limitations
However, chloropicrin has a good control effect on pathogenic bacteria in soil, but the control effect on nematodes in soil is general.
The traditional preparations of 1,3-dichloropropene and chloropicrin are liquid preparations, which are inconvenient to apply. At the same time, because these two compounds are extremely volatile, they cause great environmental pollution when applied, especially chloropicrin Causes great harm to the applicator

Method used

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  • Mixed pesticide capsule preparation for preventing and treating nematode and soil-borne disease
  • Mixed pesticide capsule preparation for preventing and treating nematode and soil-borne disease
  • Mixed pesticide capsule preparation for preventing and treating nematode and soil-borne disease

Examples

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Embodiment Construction

[0007] 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.

[0008] Implementation example

[0009] 98% Pesticide A 75.41g, 90% Pesticide B 46.91g, urea-formaldehyde resin, gelatin, gum arabic single or mixture 14.5g. according to figure 1 The production process can be processed into 96% AB microcapsules.

[0010] Annex I:

[0011] Toxicity test results of 1,3-dichloropropene mixed with trichloropicrin on soil nematodes and pathogenic bacteria

[0012] 1. Drugs to be tested

[0013] 93.6% 1,3-dichloropropene (Dow Chemical Co., Ltd., USA);

[0014] 99% chloropicrin technical (Dalian Dyestuff Chemical Co., Ltd.).

[0015] 2. Test materials

[0016] root-knot nematode (Meloidogyne spp.);

[0017] Fusarium spp.; provided by our laboratory

[0018] Phytophthora (Phytophthora spp.); provi...

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Abstract

The invention relates to a composition comprising soil fumigant 1, 3-dichloropropylene and chloropicrin in reasonable proportions and a processing method of a capsule preparation corresponding to the composition. The preparation is suitable for preventing root-knot nematodes and other soil nematodes on crops, such as beans, fruits including strawberries in orchards and grapes in vineyards, flowers, vegetables including asparagus, celery, carrots and sweet potatoes, Chinese medicinal herbs, and the like, and the compound can favorably prevent soil-borne pathogens, such as Fusarium spp., Phytophthora spp, and the like.

Description

technical field [0001] The present invention relates to utilizing compound 1,3-dichloropropene (commonly known as 1,3-dichloropropene, chemical formula C 3 h 4 Cl 2 ) to control root-knot nematodes and other soil nematodes on vegetables, strawberries, flowers, melons, asparagus, celery, carrots, sweet potatoes, soybeans, orchards, vineyards, Chinese herbal medicines and other protected crops. (Fusarium spp) has a good inhibitory effect; it also has a certain control effect on Pythium spp and Phytophthora (Phytophthora spp) fungi. Chloropicrin can effectively control fungi of the genus Rhizobasidiomycetes, Spinosa, Cylindromyces, Fusarium, Phytophthora, Septoria, Pythium, Rhizoctonia, and Verticillium , It is also effective against Agrobacterium bacteria, and it also has certain effects on underground pests and soil nematodes. The effect of 1,3-dichloropropene on the control of soil-borne diseases is relatively weak, while the effect of trichloropicrin on root-knot nematode...

Claims

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Application Information

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IPC IPC(8): A01N25/28A01N33/18A01P5/00A01N29/02
Inventor 王秋霞曹坳程郭美霞陶俊德宋兆欣赵云
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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