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Insecticidal composition for preventing and treating macadimia nut red spiders

An insecticidal composition and technology for red spider, applied in the field of pesticides, can solve the problems of reducing acaricidal activity and the like, and achieve the effects of slowing down drug resistance, reducing control costs and pesticide residues, and reducing spraying dosage

Inactive Publication Date: 2020-06-30
GUANGXI SUBTROPICAL CROPS RES INST GUANGXI SUBTROPICAL AGRI PROD PROCESSING RES INST
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AI Technical Summary

Problems solved by technology

However, due to ethifenapyr is a chemical agent, although it has good acaricidal activity at present, if the red spider is used for a long time, it will gradually accumulate resistance to it, and its acaricidal activity will gradually decrease. Therefore, How to slow down the resistance of spider mites to it is a problem that must be considered

Method used

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  • Insecticidal composition for preventing and treating macadimia nut red spiders
  • Insecticidal composition for preventing and treating macadimia nut red spiders
  • Insecticidal composition for preventing and treating macadimia nut red spiders

Examples

Experimental program
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Effect test

Embodiment

[0019] Example : Indoor bioactivity test after compounding of ethifenacil

[0020] 1. Selection and treatment of test objects: Feed red spider mites collected from macadamia nut trees with clean macadamia nut leaves in the laboratory. After feeding for a period of time, female spider mites with the same physiological state are selected as test insects. Cut the double-sided tape into 2cm lengths, stick it on one end of the glass slide, stick the back of the test insects on the double-sided tape, stick 30 to each slide, put it into a container lined with a wet sponge and cover it Cover and place at (25±1)°C. Microscopic examination was carried out after 2 hours, dead and injured individuals were removed and 30 individuals were supplemented for each slide.

[0021] 2. Test agent: 98% ethifenapyr (Shenyang Kechuang Chemicals Co., Ltd.), 95% flubenzuron (Jiangsu Zhongqi Technology Co., Ltd.), 98% pymetrozine (Jiangsu Subin Biological Agrochemical Co., Ltd.), 12% azadirachtin mot...

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Abstract

The invention relates to the technical field of pesticides, and in particular, relates to an insecticidal composition for preventing and treating macadimia nut red spiders. According to the insecticidal composition for preventing and treating the macadimia nut red spiders, the effective components of the insecticidal composition are formed by compounding etoxazole nitrile and a compound A, whereinthe compound A is flufenoxuron, pymetrozine, azadirachtin or furan tebufenozide. When the etoxazole nitrile is compounded with the flufenoxuron, the pymetrozine, the azadirachtin or the furan tebufenozide, the co-toxicity coefficient of the etoxazole nitrile and the flufenoxuron, the pymetrozine, the azadirachtin or the furan tebufenozide is higher than 120, the obvious synergistic effect is achieved, the red spider preventing and killing effect can be improved, the cost of prevention and control and pesticide residues are reduced, and the environmental pressure is reduced.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to an insecticidal composition for controlling macadamia spider mite. Background technique [0002] Macadamia, also known as Queensland chestnut, macadamia nut and macadamia walnut, is a tree nut native to Australia. It has high economic value, medicinal value and nutritional value, and has always enjoyed the reputation of "the king of dried fruits". The yield and quality of macadamia nuts are not only affected by the natural environment, but also affected by diseases and insect pests. Therefore, in the process of planting macadamia nuts, it is necessary to strengthen the control of diseases and insect pests. [0003] The scientific name of spider mite is spider mite, and its feeding habits are mixed. The species in my country are mainly Tetranychus cinnabarinus. Spider mites can harm up to hundreds of plants, among which the damage to macadamia nuts is the most famous. It like...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/56A01N47/34A01N43/707A01N43/90A01N43/12A01P7/02
CPCA01N43/12A01N43/56A01N43/707A01N43/90A01N47/34
Inventor 蔡元保杨祥燕李季东黄思婕李穆巫辅民潘如军庞新华郑文武曾黎明林玉虹黄锦媛谭秦亮叶维雁文峰
Owner GUANGXI SUBTROPICAL CROPS RES INST GUANGXI SUBTROPICAL AGRI PROD PROCESSING RES INST
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