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Pesticide composition containing cyenopyrafen and application of pesticide composition

A pesticide composition, the technology of pyrimifen, which is applied in the field of preventing and treating red spiders, can solve the problems of compounding and application of pyrimifen that have not been reported, and achieve high quick-acting, good safety, and effective drug use. low cost effect

Active Publication Date: 2016-04-06
SHAANXI BIAOZHENG CROP SCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on the compounding and application of pyrimifen and pyrimifen

Method used

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  • Pesticide composition containing cyenopyrafen and application of pesticide composition
  • Pesticide composition containing cyenopyrafen and application of pesticide composition
  • Pesticide composition containing cyenopyrafen and application of pesticide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Formulation example 1: 20% cyanifen-pyrimidin wettable powder (weight ratio) for controlling cotton spider mite

[0061] According to the weight ratio, 5% pyrimidin, 15% pyrimidin, 8% sodium lignosulfonate, 3% SOPA (alkylphenol polyoxyethylene ether formaldehyde condensate phosphate), and the balance is light The mixture of calcium carbonate is prepared into wettable powder by jet mill. The preparation is diluted 4000 times and sprayed to prevent and control cotton spider mites. The control effect is 92.6% 72 hours after the application. Using the same method, the control effects were 82.5% and 83.8% 72 hours after treatment. Within the range of the test dose, the control effect of 20% pyrimifen-pyrimidin wettable powder was significantly higher than that of the control single-dose agent.

example 2

[0062] Preparation example 2: 25% cyanifen-pyridifen-pyrimidin wettable powder for controlling cotton spider mite

[0063] Calculated according to weight ratio, 15% pyrimifen, 10% pyrimifen, 1.5% K12 (sodium lauryl sulfate), 4% NNO (naphthalene sulfonate), 6% sodium lignosulfonate, and the balance It is kaolin, which is prepared into wettable powder by jet mill. The preparation was diluted 5000 times and sprayed to prevent and control cotton spider mite. The contrast agents were 10% pyrizafen suspension concentrate (diluted 2000 times) and 30% pyrizafen suspension concentrate (diluted 5000 times). After 72 hours, 25 %Pyridifen. The control effect of pyrimifen wettable powder reached 93.6%, far greater than that of the control agent (82.9% for 10% pyrimifen SC and 84.6% for 30% pyrimifen SC).

Embodiment 3

[0064] Formulation example 3: 20% cyanifen-pyrimidin aqueous emulsion for preventing and treating citrus spider mite

[0065] Calculated according to the weight ratio, 10% pyrimidofen, 10% pyrimaben, 3% sodium dodecylbenzenesulfonate, 1% styrene, 1% sodium carboxymethyl starch, fully stirred to prepare water emulsion. The preparation was diluted 4000 times and sprayed to prevent and control citrus spider mite. The control agents were 10% pyrimidofen suspension concentrate (diluted 2000 times) and 30% pyrizafen suspension concentrate (diluted 5000 times). After 72 hours, 20 The control effect of the pyrimidofen-pyrimidin aqueous emulsion reached 90.12%, and the efficacy of the control agent 10% pyrimidofen-methyl suspension concentrate and 30% pyrimifen-diclofen suspension concentrate were 80.2% and 81.3% respectively.

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Abstract

The invention discloses pesticide composition containing cyenopyrafen and an application of the pesticide composition. The composition comprises A) cyenopyrafen used as a first active ingredient and B) fluacrypyrim used as a second active ingredient, wherein the weight ratio of the first active ingredient to the second active ingredient is (20:1)-(1:20). Agriculturally permissible wettable powder, water emulsions, suspending agents, water dispersible granules and micro-emulsions can be prepared from the composition. The composition has a better control effect on red spiders on crops such as oranges, apples, cotton and the like, comprises reasonable components and has the good insecticidal effect, the pesticide application cost is low, the active ingredients, namely, the cyenopyrafen and the fluacrypyrim, have the significant synergistic effect, the fast-acting property is high, the persistence is long, production of the pesticide resistance is retarded, the preparation residue amount is small, and the composition causes no pollution to the crops, is good in safety and conforms to the safety requirement of a pesticide preparation.

Description

technical field [0001] The present invention relates to a pesticide composition containing pyrimifen and its use. The composition is composed of the first active ingredient pyrimifen, the second active ingredient pyrimifen and the adjuvants allowed in pesticides, and is used to control It is a harmful mite in agriculture, especially suitable for controlling spider mites. Background technique [0002] Cynopyrafen, the common name in English is cyenopyrafen. It is a new type of pyrazole acaricide. Activated by metabolism to the hydroxyl form, resulting in activity. This hydroxyl form achieves mitochondrial inhibition by disrupting complex II (succinate dehydrogenase) in the respiratory electron transport chain. After the hydrolysis of tert-butyl ester, it shows a high inhibitory effect on mitochondrial protein complex II, hinders electron transfer, and destroys the process of oxidative phosphorylation. It is a contact acaricide and has no cross-resistance with existing aca...

Claims

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Application Information

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IPC IPC(8): A01N43/56A01N43/54A01P7/02
CPCA01N43/54A01N43/56A01N2300/00
Inventor 孙鹏赵萍杜文博张美翠罗水凌
Owner SHAANXI BIAOZHENG CROP SCIENCE CO LTD
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