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Bioactivity of dehydrocostus lactone on spodoptera frugiperda and application of dehydrocostus lactone in agricultural control

A technology for dehydroxylactone, Spodoptera frugiperda, applied in application, animal husbandry, biocide and other directions, can solve problems such as resistance and pesticide pollution

Active Publication Date: 2022-03-04
INST OF PLANT PROTECTION & SOIL FERTILIZER HUBEI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the prevention and control drugs mainly include chemical agents such as emamectin benzoate, indoxacarb, tetrachlorantraniliprole, chlorantraniliprole, and lambda-cyhalothrin, but long-term use is likely to cause pesticide pollution and Therefore, there is an urgent need to develop more green, economical, safe and effective agents

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  • Bioactivity of dehydrocostus lactone on spodoptera frugiperda and application of dehydrocostus lactone in agricultural control
  • Bioactivity of dehydrocostus lactone on spodoptera frugiperda and application of dehydrocostus lactone in agricultural control
  • Bioactivity of dehydrocostus lactone on spodoptera frugiperda and application of dehydrocostus lactone in agricultural control

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Embodiment Construction

[0017] Below by embodiment the present invention will be further described. It should be understood that the methods described in the embodiments of the present invention are only used to illustrate the present invention, rather than limit the present invention, and any simple improvement of the present invention under the premise of the concept of the present invention belongs to the protection scope of the present invention.

[0018] 1. Experimental reagents and instruments

[0019] Insect cells for testing: Spodoptera frugiperda ovary cell line Sf9, using Grace insect cell culture medium, adding 8% fetal bovine serum, 1% double antibody (100unit / mL penicillin and 100μg / mL streptomycin), Cultured at 28°C in a constant temperature incubator.

[0020] Insects tested: Spodoptera frugiperda was collected from the summer corn field of Banqiao Village, Dafan Town, Tongshan County, Hubei Province on July 20, 2019. Artificial feed was used for subculture breeding indoors, adults w...

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Abstract

The invention relates to application of a radix aucklandiae extract in the aspect of comprehensive prevention and control of agricultural pests, the main component of the radix aucklandiae extract is dehydrocostus lactone, high-concentration dehydrocostus lactone shows insecticidal and inhibitory activity to newly hatched larvae of spodoptera frugiperda, and low-concentration dehydrocostus lactone can show good attraction taxis to larvae of spodoptera frugiperda. The dehydrocostus lactone can also be used as an auxiliary agent to be mixed with other chemical pesticides for use, can attract larvae at leaf cores to eat so as to cause poisoning death by utilizing the low-concentration attraction characteristic, can remarkably improve the prevention and treatment effect of field grassland spodoptera frugiperda larvae, can also remarkably reduce the actual use amount of field chemical pesticides, and has a good application prospect. The method has a positive effect on comprehensive prevention and control of field pests.

Description

technical field [0001] The invention relates to the technical field of agricultural pest control, in particular, the invention relates to the biological activity of dehydrocostalactone on Spodoptera frugiperda and its application in agricultural control. Background technique [0002] Muxiang is a kind of herbal medicinal material with bitter taste and warm nature. It belongs to the spleen and stomach. It is often used to treat gastrointestinal diseases such as abdominal distension, indigestion, vomiting and diarrhea. Dehydrocostus lactone (DHCL) is a natural sesquiterpene compound isolated from the root of fenugreek root, which has various biological functions of anti-tumor, anti-oxidation, anti-inflammation, and improving gastrointestinal function. It can inhibit the growth of various tumor cells and play an anti-tumor effect. However, it has not been reported to carry out research and application in the aspect of integrated control of agricultural pests. [0003] Spodopt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/12A01N43/12A01N43/90A01P7/04
CPCA01N65/00A01N65/12A01N43/12A01N43/90
Inventor 许冬尹海辰王玲许敏万鹏李文静杨妮娜
Owner INST OF PLANT PROTECTION & SOIL FERTILIZER HUBEI ACAD OF AGRI SCI
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