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Pesticide composition and application thereof

A pesticide composition and application technology, applied in the field of pesticide preparation, can solve problems such as root-knot nematodes, soil-borne disease weeds, difficult to eradicate, etc., and achieve the advantages of reducing pesticide residues, reducing dosage, and improving bactericidal and weeding effects. Effect

Inactive Publication Date: 2017-05-31
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

[0006] The present invention aims at the problem that root-knot nematodes, soil-borne diseases and weeds are easy to take root in crops such as vegetables, strawberries, flowers, melons, nurseries, orchards, tea gardens, forests or Chinese herbal medicines, and are difficult to eradicate, and proposes a pesticide composition

Method used

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  • Pesticide composition and application thereof
  • Pesticide composition and application thereof
  • Pesticide composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The active ingredient (the original drug in this application document refers to 1,3-dichloropropene, dimethyl disulfide and chloropicrin, which will not be described in detail below), various auxiliary agents, etc. are fully mixed to prepare an emulsifiable concentrate. For example the following formula:

[0031]

Embodiment 2

[0033] The original drug (the original drug in this application document refers to 1,3-dichloropropene, dimethyl disulfide and chloropicrin, which will not be described in detail below), various auxiliary agents, etc. are fully mixed to prepare a liquid. For example the following formula:

[0034]

[0035]

Embodiment 3

[0037] Compositions of the invention can be formulated as sustained release granules. For example the following formula:

[0038]

[0039] The preparation method of sustained-release granule of the present invention comprises the following steps:

[0040] A, prepare the original drug and each auxiliary agent according to the above weight percentage, and mix the original drug and the stabilizer evenly to obtain the active ingredient;

[0041] B. Spray the active ingredient onto the inert carrier of the granules and stir evenly, then let it stand for 1-2 hours;

[0042] C. After heating and melting the coating agent, spray it on the surface of the granular inert carrier to wrap it up to obtain the sustained-release granule of the present invention.

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Abstract

The invention discloses a pesticide composition and application thereof. Active components of the pesticide composition comprise 1,3-dichloropropene, dimethyl disulfide and trichloronitromethane. The composition disclosed by the invention is applicable to soil disinfection before planting for crops fields of vegetables, strawberries, flowers, melons, nursery gardens, orchards, tea gardens, forests, Chinese herbal medicines and the like, and can be used for effectively preventing and treating root-knot nematodes, soil-borne fungal pathogens, soil-borne pathogen bacteria and common weeds of farmlands, particularly heterodera glycines ichinohe, fusarium and digitaria sanguinalis, which commonly appear in a planting process of agricultural crops. The pesticide composition disclosed by the invention has an unexpected synergistic effect in a certain ratio range; the nematode killing, sterilization and weeding effects of the composition are obviously improved as compared with those of a single agent; meanwhile, the utilization dosage of pesticides, the pesticide application labor and the cost are reduced; and bad influences on the environment and pesticide residues are also reduced.

Description

technical field [0001] The invention belongs to the technical field of pesticide preparation, and in particular relates to a pesticide composition compounded with 1,3-dichloropropene, dimethyl disulfide and chloropicrin and an application thereof. Background technique [0002] In the past ten years, with the adjustment of agricultural planting structure, protected cultivation has developed rapidly in our country. The national protected area has exceeded 2 million hectares. As an important agricultural measure to increase farmers' income and transform from traditional agriculture to modern agriculture, protected cultivation in China will continue to develop in the future, and the crops cultivated will also change from the current vegetables and strawberries to flowers, melons, and fruit trees. , Nursery, Chinese herbal medicine and other directions. The development of protected areas also provides a suitable environment for the occurrence and development of root-knot nemato...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/08A01N41/12A01N29/02A01P5/00A01P13/00A01P1/00A01P3/00A01M17/00
CPCA01N47/08A01M17/002A01N29/02A01N41/12A01N2300/00
Inventor 蒋红云张兰张燕宁任小双王丽萍李哲
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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