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New purpose for controlling harmful cotton spider mites by utilizing amblyseius cucumeris as biological pesticide

A technology of A. cucurbita and cotton, which is applied in the new application field of using A. cucurbita as a biopesticide for preventing and controlling cotton mite, and can solve problems such as pesticide residues and pollution in agricultural products, and achieve ecological environment improvement, growth environment improvement, The effect of reducing maintenance costs

Inactive Publication Date: 2007-01-03
FUJIAN YANXUAN BIOLOGICAL CONTROL TECH CO LTD
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AI Technical Summary

Problems solved by technology

At present, chemical pesticides are still widely used in the prevention and control of cotton pests in my country, and long-term accumulation has caused serious pesticide residues and pollution in water areas, soil, and agricultural products.

Method used

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Embodiment Construction

[0010] After years of painstaking research and experiments, it was found that Amblyseius cucumeris, which can be produced in large quantities at present, can be used as an excellent biological pesticide (natural enemy) to prevent and control cotton spider mite. The research results are as follows: ①Amblyseius cucurbita feeding on cotton red mite can grow and develop normally. At 20℃±1 life cycle, female mites: 13.23±0.60 days, male mites: 10.5±0.1 days; 25℃±1 life cycle , female: 9.53 ± 0.85 days, female: 6.83 ± 0.29 days, 30 ° C ± 1 life cycle, female: 5.8 ± 0.57 days, male: 5.0 ± 0.41 days; the survival rate of each period reached 95% -97%; ② Cucumber Amblyseius feeds on cotton spider mite and lays eggs: 28±4.65 eggs at 20°C, adult mite lifespan 29.29±2.08 days; 25°C±1 lays 41.78±8.6 eggs, adult mite lifespan 34.5±4.36 days; 30°C The total amount of eggs laid by ±1 was 40.33±8.57, and the adult mite life span was 26.63±0.93 days. The results showed that temperature is an im...

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Abstract

Novel purpose for controlling harmful cotton spider mites by utilizing amblyseius cucumeris as biological pesticide, wherein Amblyseius cucumeris is used as natural enemy for controlling and preventing cotton acarid, i.e. Cotton spider mites, including Tetrangchus urticae Koch, T. truncatus Ehara, T. cinnabarinus Boisduva and T. turkestani ugarov.

Description

technical field [0001] The invention relates to a technique for using predatory mite as a natural enemy of harmful mite instead of chemical pesticides, in particular to a new method and application of using axeinaceus cucurbita as a biological pesticide (natural enemy) to control cotton harmful mite. Background technique [0002] At present, the widespread occurrence of various crop pest mites and their rampant harm to agricultural production has become a major problem worldwide. For example, for field cotton production, although the harm of cotton bollworm has been gradually solved after the breeding of transgenic insect-resistant cotton in my country, cotton The harmful mite, commonly known as the cotton spider mite, has risen to the main position. According to the relevant data of the Ministry of Agriculture, in the Yangtze River Basin of my country, red spiders occur in an area of ​​more than 46 million mu every year, which has a great impact on the production and quality...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/02A01P7/02
Inventor 张艳璇
Owner FUJIAN YANXUAN BIOLOGICAL CONTROL TECH CO LTD
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