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Fipronil and atgard mixed pesticide

A technology of fipronil and dichlorvos, applied in the field of compound pesticides, can solve the problems of restricted popularization, poor quick-acting of fipronil pesticides, and high price of pesticides

Inactive Publication Date: 2008-12-17
范小兵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fipronil 5% SC was provisionally registered on rice in my country in 1994 with the registration number LS94007. It has been widely used in the control of rice pests and migratory locusts. , rice planthopper, rice locust and other pests have a good control effect, but the quick effect of fipronil pesticide is slightly poor, and the price of pesticide is very high, which limits the promotion and use of this drug in my country
In addition, fipronil is highly toxic to fish and shrimp, and its use in water nets and lake areas will also be subject to certain restrictions

Method used

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  • Fipronil and atgard mixed pesticide
  • Fipronil and atgard mixed pesticide
  • Fipronil and atgard mixed pesticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Below by embodiment and test example the present invention is described in further detail:

[0015] Formulation A: fipronil: 0.6%, dichlorvos 39.4%.

[0016] Formulation B: fipronil: 0.9%, dichlorvos 39.1%.

[0017] Formulation C: fipronil: 1.2%, dichlorvos 38.8%.

[0018] Formulation D: fipronil: 1.5%, dichlorvos 38.5%.

[0019] Formulation E: fipronil: 1.8%, dichlorvos 38.2%.

[0020] According to the above ratio, it is prepared by mixing with auxiliary components such as organic solvents and emulsifiers. The auxiliary components and mixing processes are generally known techniques, and will not be repeated here. The relevant test implementation is as follows:

[0021] Determination of co-toxicity coefficient of fipronil·dichlorvos compound against Chilo borer:

[0022] The 5th instar larvae of rice stem borer (Chilo suppressalis) in the experimental period.

[0023] Using the dipping feed method, the test agent was formulated into five series of concentrations, ...

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Abstract

The invention relates to a composite pesticide of fluorine pest killer and atgard at 0.6-5% and 30-50%. When the fluorine pest content is above 0.9%, the toxic factor is higher than 100%, with better prevent effect; and it has wide application and low cost that 20% lower than single 5% fluorine pest killer.

Description

technical field [0001] The invention belongs to the technical field of compound pesticides, in particular to a compound pesticide of fipronil and dichlorvos. Background technique [0002] my country's rice planting area is about 20 million hectares, second only to India, and its total rice output ranks first in the world. In order to maintain high and stable yields, it is an important link to prevent and control diseases, insects, and weeds during the growth of rice. Over the years, the main pests that harm rice, such as rice stem borer, rice stem borer, rice planthopper, rice leaf roller, etc., have a high frequency of occurrence, a large area, and serious damage. The annual loss of rice is about 10-15% of the total output. For this reason, the area of ​​controlling rice pests with pesticides is about 60 to 80 million hectares according to the statistics of relevant departments. In the rice area of ​​the Yangtze River Basin in my country, the rice borer, rice planthopper,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/12A01P7/04A01N47/42
Inventor 范小兵胡国文伍启林
Owner 范小兵