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A method for controlling rice planthopper by using metarhizium anisopliae and sex attractant in combination

A combined action and Metarhizium anisopliae technology is applied in the field of control of rice pest rice planthopper to achieve long effective period, broad application prospects and the effect of ensuring the safety of pesticide residues

Active Publication Date: 2021-11-26
CHONGQING ACAD OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are few reports on the methods of controlling rice planthoppers in the field by using entomopathogenic bacteria and sex attractants in combination

Method used

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  • A method for controlling rice planthopper by using metarhizium anisopliae and sex attractant in combination
  • A method for controlling rice planthopper by using metarhizium anisopliae and sex attractant in combination
  • A method for controlling rice planthopper by using metarhizium anisopliae and sex attractant in combination

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention is further illustrated with the following specific examples and specific test data, but the present invention is by no means limited to these examples.

[0023] The Metarhizium anisopliae spores described below all refer to the conidia of the Metarhizium anisopliae, and the sex pheromones are all biomimetic compounds. In this embodiment, the method of utilizing entomopathogens and insect sex pheromones to control rice planthoppers is achieved through the following steps:

[0024] Step 1, tetradecatriene acetate, tetradecadiene acetate, hexadecatrien-2-one, and hexadecadien-2-one are mixed in a certain mass ratio as an inducer, Weigh 2mg of attractant, then dissolve it in 50mL of n-hexane to prepare a trap, and put it on a rubber stopper as a lure, each lure contains 0.1mg of trap;

[0025] Step 2, put the lure core that step 1 obtains into the trapping...

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Abstract

The invention discloses a method for preventing and treating rice planthoppers by utilizing metarhizium anisopliae and a sex attractant, which belongs to the field of green prevention and control of rice pests. It is achieved through the following steps: Step 1: dissolving the sex pheromone in n-hexane to prepare a trapping agent, and loading it on a rubber stopper as a lure core; the sex pheromone is tetradecatriene acetate, fourteen carbon A mixture of diene acetate, hexadecatriene-2-one, and hexadecadiene-2-one; Step 2: Put the lure core of step 1 in the trapping box, and put the trapping box in the paddy field Step 3: dissipate the metarhizium anisopliae spores in the trapping box, and implement concentrated trapping and killing of rice planthoppers. The invention is used for trapping and killing rice planthoppers.

Description

technical field [0001] The invention belongs to the field of green prevention and control of rice pests; in particular, it relates to a simple, non-toxic and efficient prevention and control method for rice pest Nilaparvatalugens Stal by using the joint action of entomopathogenic fungus Metarhizium anisopliae and insect attractant. Background technique [0002] Rice planthopper Nilaparvatalugens It is an important migratory pest in rice production in Asia. Due to the large-scale planting of rice susceptible to insects and the large-scale use of chemical fertilizers and pesticides, the initial population and growth rate of the brown planthopper have increased, resulting in a large number of damage areas year after year; The inherent growth rate and strong adaptability to the environment, so its characteristics of easy to cause disasters and migratory damage make the chemical control of insecticides play a leading role in the emergency control of rice planthoppers. The long...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/30A01N37/02A01N35/02A01P7/04A01G13/00A01M1/02
CPCA01G13/00A01N35/02A01N37/02A01N63/30
Inventor 卢文才廖敦秀马连杰杭晓宁梁涛张慧余端张健胡留杰
Owner CHONGQING ACAD OF AGRI SCI
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