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Farm chemical composition and application thereof

A pesticide composition and application technology, applied in the application, biocide, animal repellent and other directions, can solve the problems of difficult eradication, easy root-knot nematodes, soil-borne disease weeds, etc. Effects of pesticide residues, bactericidal and herbicidal effects enhancement

Inactive Publication Date: 2014-05-28
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

[0005] 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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  • Farm chemical composition and application thereof
  • Farm chemical composition and application thereof
  • Farm chemical composition and application thereof

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Experimental program
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Effect test

Embodiment 1

[0029] The active ingredient (the original drug in this application document refers to dimethyl disulfide and allyl isothiocyanate, 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:

[0030]

Embodiment 2

[0032] The original drug (in this application document, the original drug refers to dimethyl disulfide and allyl isothiocyanate, which will not be described in detail below), various auxiliary agents, etc., are fully mixed to prepare a liquid. For example the following formula:

[0033] Dimethyl disulfide 45%

[0034] Allyl isothiocyanate 45%

[0035] Petroleum ether make up to 100%

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 provides a farm chemical composition and application thereof. The farm chemical composition comprises the active components of dimethyl disulfide and allyl isothiocyanate. The farm chemical composition is used for disinfecting soil of crop fields for vegetables, strawberry, flower, melons, Chinese herbal medicines and the like and soil of a nursery, an orchard, a tea garden and a forest before sowing, and can effectively prevent and control root knot nematodes, soil-borne pathogenic fungi, soil-borne pathogenic bacteria and common farmland weeds during agricultural crop planting, especially the root knot nematodes, fusaria and abutilon theophrasti. The farm chemical composition has the benefits as follows: (1) the farm chemical composition has an unexpected synergistic effect within a certain proportion range, so that nematode-killing, bactericidal and weeding effects of the farm chemical composition are obviously better than those of a single component, the using dosage of farm chemicals, the farm chemical delivering labor and the farm chemical delivering cost are reduced, and the adverse effect on the environment and farm chemical residues are reduced; (2) the farm chemical composition has a wide prevention and control spectrum, and can be widely used for preventing and controlling soil-borne pathogenic nematodes, soil-borne pathogenic bacteria and weeds during agricultural crop planting.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a pesticide composition and its application. 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 nematodes, soil-borne diseases and weeds. Usually, after 3 to 5 years of planting, the yield and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/46A01P1/00A01P3/00A01P5/00A01P13/00A01N41/12
Inventor 毛连纲颜冬冬刘鹏飞沈锦曹坳程王秋霞李园郭美霞欧阳灿彬
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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