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Pesticide composition containing cyenopyrafen and application thereof in prevention and treatment of harmful mites

A pesticide composition, the technology of pyraclofen, which is applied in the field of compound pesticides, can solve the problems of high development cost of new active ingredients, failure of chemical control, and huge cost, and achieve high quick-acting, significant synergistic effect, and safety Good results

Active Publication Date: 2016-02-10
SHAANXI BIAOZHENG CROP SCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the development cost of new active ingredients is high, the cycle is long, and it usually costs a lot of money. Once resistance appears, it often leads to the failure of pharmaceutical control and is forced to stop or eliminate it.
Other methods, such as crop layout adjustment, rotation of different pesticides, etc., are difficult to achieve obvious effects in actual operation.

Method used

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  • Pesticide composition containing cyenopyrafen and application thereof in prevention and treatment of harmful mites
  • Pesticide composition containing cyenopyrafen and application thereof in prevention and treatment of harmful mites
  • Pesticide composition containing cyenopyrafen and application thereof in prevention and treatment of harmful mites

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Formulation Example 1 : 20% pyrazafen-fenpyroximate aqueous emulsion

[0051] Calculated according to weight ratio, 17% pyrazafen, 3% pyraclofen, 3% sodium dodecylbenzenesulfonate, 1% styrene, 1% sodium carboxymethyl starch, 2% ethylene glycol, deionized Supplemented with water, it is formulated into a water emulsion after being fully stirred.

example 2

[0052] Formulation example 2 : 25% pyrazafen-pyrafen-pyrafen-emulsion in water

[0053] According to the weight ratio, 10% pyraclofen, 15% pyraclofen, 3.5% triphenylethylphenol polyoxyethylene ether phosphate, 500# (calcium dodecylbenzenesulfonate) 5%, 4% propylene glycol , 0.5% of 20% polydimethylsiloxane emulsion, and the balance of water, which is formulated into water emulsion after being fully stirred.

Embodiment 3

[0054] Formulation Example 3 : 30% Cyclopyrafen Fenzaclofen Suspending Concentrate

[0055] According to the weight ratio, 25% pyraclofen, 5% pyraclofen, 4% sodium polynaphthaldehyde sulfonate, 2% alkylaryl polyoxypropylene polyoxyethylene ether, 2.5% ethylene glycol, xanthan Glue 0.2%, sodium benzoate 0.2%, the balance is water. Add water, dispersant, wetting agent, antifreeze, etc. into the reaction kettle according to the order and amount of materials to be produced, and then add the original drug after high-speed stirring for a certain period of time, and high-speed stirring to make the original drug evenly dispersed. After stirring evenly, the liquid medicine in the reaction kettle is directly flowed into the intermediate tank, and then sanded by a sand mill, and then introduced into a high-speed mixing tank, adding defoamer and preservative, and adding the pre-prepared xanthan gum aqueous solution after stirring , high-speed stirring, until the xanthan gum is complete...

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PUM

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Abstract

The invention discloses a pesticide composition containing cyenopyrafen and application thereof in prevention and treatment of harmful mites. Effective components are a first active ingredient cyenopyrafen and a second active ingredient fenpyroximate, wherein the weight ratio of the first active ingredient to the second active ingredient is (40-1):(1-40), and the sum of contents of the first active ingredient and the second active ingredient is 2-40% of the total weight of the pesticide composition. The pesticide composition disclosed by the invention can be prepared into agriculturally allowable emulsion in water, a suspending agent, water dispersible granules and a microcapsule suspending agent. The pesticide composition containing cyenopyrafen is reasonable in composition and has a good effect on panonychus ulmi, hawthorn spider mites, two-spotted spider mites, tetrangychus cinnabarinus and yellow tea mites; meanwhile, the pesticide cost is low, the durable effect is long, the residual quantity of a preparation is low, no pollution is produced to crops, the safety is good, production of resistance can be effectively delayed compared with existing single dosage, and the safety requirements of a pesticide preparation can be met.

Description

technical field [0001] The invention relates to a pesticide composition and its application. It is composed of the first active ingredient pyrazafen, the second active ingredient pyrazafen and other suitable auxiliaries. It is used for preventing and controlling agricultural pests and belongs to the technical field of compound pesticides . Background technique [0002] Cynopyrafen, the common name in English is cyenopyrafen. It is a new type of pyrazole acaricide. Activity occurs by metabolism to the hydroxyl form. 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 acaricides. However, pyraclofen has a single acti...

Claims

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Application Information

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IPC IPC(8): A01N43/56A01P7/02
Inventor 张美翠孙鹏赵萍杜文博罗水凌
Owner SHAANXI BIAOZHENG CROP SCIENCE CO LTD
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