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Acaricidal composition

A composition, the technology of alkyl ethyl sulfonate, applied in the directions of acaricides, biocides, animal repellents, etc., can solve the problem of reducing the control effect of acaricides, damaging fruits and green shoots, affecting tree vigor and yield and other issues, to achieve the effect of rapid drug effect, good control effect, and high efficiency of killing mites.

Pending Publication Date: 2022-01-14
GUANGDONG ZHONGXUN AGRI TECH
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the process of citrus planting, Panonychus is the main pest that harms citrus. It pierces the epidermis of the host leaf with its mouthparts and sucks the juice. The damaged leaves appear numerous small off-white spots. It can also damage fruit and green branches, affecting tree vigor and yield
[0003] However, at present, the control of mites is becoming more and more difficult. Since the resistance of mites will increase year by year under the pressure of continuous chemical selection, the control effect of acaricides will be greatly reduced. Increasing the dosage of acaricides will also affect the environment. It is not conducive to environmental protection, and the control of citrus pests and diseases is facing a major challenge, and it also puts forward higher requirements for the control of citrus pests and diseases. Therefore, it is necessary to study an efficient acaricide

Method used

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Examples

Experimental program
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Effect test

Embodiment 1～7 and comparative example 1～5

[0033] The acaricidal composition of Examples 1-7 and Comparative Examples 1-5, wherein the acaricidal composition includes the components shown in Table 1 in parts by mass.

[0034] The acaricidal composition component table of table 1 embodiment 1~7

[0035]

[0036] Table 2 Comparative Example 1~5 acaricidal composition component table

[0037]

[0038]

[0039] Prepare according to the following steps by the formula of embodiment 1~3 in table 1, embodiment 6~7 and comparative example 1~5 in table 2:

[0040] (1) Add bifenazate, alkyl ethyl sulfonate and part of water into the mixer in proportion, stir and mix evenly to obtain a premix;

[0041] (2) Add composite active agent, polycarboxylate, ethylene glycol, xanthan gum, silicone oil and the rest of the water in the mixer in proportion, stir and mix evenly to obtain the mixture, then the mixture and the premix Put it into a ball mill, carry out the ball milling operation, control the ball milling time to 2.5h, ...

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Abstract

The invention relates to an acaricidal composition which is prepared by compounding bifenazate and alkyl ethyl sulfonate, has a good control effect on various mites, and particularly has a good control effect on panonychus citri. Alkyl ethyl sulfonate has very strong contact activity on adult mites and nymphs, can paralyze and dehydrate the mites, and cooperates with bifenazate to further act on central nervous conduction systems of the mites, so that growth and development of the adult mites, the nymphs and mite eggs are inhibited and die, and the alkyl ethyl sulfonate and the bifenazate have obvious synergistic interaction the characteristics of small dosage and high acaricidal efficiency, and rapid drug effect, the drug resistance of acarid is overcomed and delayed, and the acaricidal composition is beneficial to reducing the dosage and reducing the influence on the environment.

Description

technical field [0001] The invention relates to the technical field of acaricides, in particular to an acaricide composition. Background technique [0002] In the process of citrus planting, Panonychus is the main pest that harms citrus. It pierces the epidermis of the host leaf with its mouthparts and sucks the juice. The damaged leaves show countless small off-white spots. It can also damage fruits and green branches, affecting tree vigor and yield. [0003] However, at present, it is becoming more and more difficult to control mites. Since the resistance of mites will increase year by year under the pressure of continuous chemical selection, the control effect of acaricides will be greatly reduced. Increasing the dosage of acaricides will also affect the environment. It is not conducive to environmental protection, and the control of citrus pests and diseases is facing a major challenge, and higher requirements have been put forward for the control of citrus pests and di...

Claims

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Application Information

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IPC IPC(8): A01N47/24A01N63/30A01N25/30A01N25/10A01N25/26A01P7/02
CPCA01N47/24A01N63/30A01N25/30A01N25/10A01N25/26
Inventor 吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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