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Method for preventing and controlling green soy bean bemisia tabaci by utilizing combination of Japanese serangium japonicum and trap crop

A technology for ladybug and bemisia tabaci, applied in the field of biological control, to achieve the effects of increasing commodity value, reducing control costs, and facilitating the restoration of the ecological environment and healthy development

Inactive Publication Date: 2012-06-20
INST OF PLANT PROTECTION FAAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As far as we know, there is no report on the application of Japanese ladybug to control Bemisia tabaci in soybean fields

Method used

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  • Method for preventing and controlling green soy bean bemisia tabaci by utilizing combination of Japanese serangium japonicum and trap crop
  • Method for preventing and controlling green soy bean bemisia tabaci by utilizing combination of Japanese serangium japonicum and trap crop

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] At the same time as edamame sowing, the trapping plant cucumber is sown around or on both sides of the field, and the release location is the middle leaf of the cucumber according to the population density of Bemisia tabaci on the trapping plant cucumber. The release amount of each cucumber is 3 heads.

[0018] Conclusion: The amount of Bemisia tabaci reduced by 60-75% in soybean fields, the incidence of mildew in soybeans was less than 1%, the number of pesticides used in soybean fields was reduced by 1-2 times per year, and the number and types of natural enemies in biological control areas were also increased by 50% compared with chemical defense areas. -70%, the edamame pods are more beautiful and full, and the pesticide residues meet the export standards, the value of the commodity is greatly improved, and the income per mu can be increased by 800-900 yuan.

Embodiment 2

[0020] At the same time as edamame sowing, the trapping plant cucumber is sown around or on both sides of the field, and the release location is the middle leaf of the cucumber according to the population density of Bemisia tabaci on the trapping plant cucumber. The release amount of each cucumber is 4 heads.

[0021] Conclusion: The amount of Bemisia tabaci reduced by 70-85% in soybean fields, the incidence of mildew in soybeans was less than 1%, the number of pesticides used in soybean fields was reduced by 1-2 times per year, and the number and types of natural enemies in biological control areas were also increased by 60% compared with chemical defense areas -75%, the edamame pods are more beautiful and full, and the pesticide residues meet the export standards, the value of the commodity is greatly improved, and the income per mu can be increased by 800-1000 yuan.

Embodiment 3

[0023] At the same time as edamame sowing, the trapping plant cucumbers were sown around or on both sides of the field, and the japonica beetle was released according to the population density of Bemisia tabaci on the trapping plant cucumbers. The release location was the middle leaves of cucumbers, and the release amount of each cucumber was 5 heads.

[0024] Conclusion: The amount of Bemisia tabaci reduced by 75-90% in soybean fields, the incidence of mildew in soybeans was less than 1%, the number of pesticides used in soybean fields was reduced by 1-2 times per year, and the number and types of natural enemies in biological control areas were also increased by 60% compared with chemical defense areas -80%, the edamame pods are more beautiful and plump, and the pesticide residues meet the export standards, the value of the commodity is greatly improved, and the income per mu can be increased by 900-1200 yuan.

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Abstract

The invention discloses a method for preventing and controlling green soy bean bemisia tabaci by utilizing combination of a Japanese serangium japonicum and a trap crop, which aims to prevent and control the green soy bean bemisia tabaci by combining the predacious natural enemy-the Japnese serangium japonicum of the bemisia tabaci and the trap crop. The implementation method comprises the following steps of: seeding cucumber as the trap crop for trapping bemisia tabaci adults immigrated into a green soy bean field while seeding green soy beans; releasing the Japanese serangium japonicum on the trap crop so as to intensively kill the immigrated pest sources; planting the trap crop in a surrounding way, or a strip type, or a checkerboard type; and releasing 3-5 serangium japonicums on each cucumber. The method has the advantages that the preventing and controlling effect is good, the duration is long, the usage amount of chemical pesticide can be greatly reduced, the pesticide residue is reduced, the production cost is reduced, the product quality is improved, the food safety is ensured, and the ecological environment protection is favored; and the trap crop is used for trapping the pest sources, and the natural enemy-the serangium japonicum is released on the trap crop to intensively kill the bemisia tabaci, so that the release amount of the natural enemy-the serangium japonicum is reduced, and the propagation expansion cost of the natural enemy population is decreased.

Description

technical field [0001] The invention belongs to the field of biological control, and in particular relates to a method for preventing and controlling Bemisia tabaci by using the Japanese ladybug and trapping plants. Background technique [0002] whitefly Bemisia tabaci (Gennadius) is widely distributed in all continents except Antarctica, and is an important pest in tropical, subtropical and adjacent temperate regions. The harm of Bemisia tabaci to host crops is mainly manifested in the following three aspects: (1) Adults and nymphs of Bemisia tabaci pass their stylets through the intercellular space of host crops and penetrate deep into the phloem to feed, directly sucking plant juice, resulting in stunted growth of host crops , the plants are weakened; (2) adults and nymphs of Bemisia tabaci secrete honeydew, which induces the occurrence of mildew in host crops, seriously affects the photosynthesis of plants, and reduces the ornamental value and economic value of host cro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01M99/00
Inventor 何玉仙赵建伟郑宇栗丽娜翁启勇
Owner INST OF PLANT PROTECTION FAAS
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