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Method of coordinatively controlling Chilo suppressalis by combined use of bees and fungi

A technology of rice borer and combined application, applied in the directions of application, botanical equipment and methods, horticulture, etc., can solve problems such as disease and insect pest control restrictions, and achieve the effect of improving the overall prevention and control level and improving the biological control effect.

Inactive Publication Date: 2018-06-12
JILIN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, there are stricter restrictions on the control of diseases and insect pests

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A method for synergistically controlling rice stem borer by combined application of bee fungus, comprising the following operations:

[0018] S1. Systematically monitor the egg drop of adults of Chilo suppressalis, release bees for the first time after 3 days from the egg first appearance period, 3 bee release points per mu, 4000 Trichogrammas per point, including 400 Trichogramma rice borer, 3,000 Trichogramma pine caterpillars and 600 Trichogramma japonica are made into bee cards or bee releasing devices and placed in rice fields; Trichogramma should be released on cloudy days or in the evening without rain to avoid rain and sunlight exposure , or contact with toxic substances.

[0019] S3, the second release of bees is carried out at an interval of 5-7 days, and the method and amount of release of bees are the same as the first time;

[0020] S4, 2-3 days after the second release of bees, the Beauveria bassiana wettable powder of 50 billion / g is evenly sprayed on th...

Embodiment 2

[0023] A method for synergistically controlling rice stem borer by combined application of bee fungus, comprising the following operations:

[0024] S1. Systematically monitor the egg drop of adults of Chilo suppressalis, release bees for the first time after 3 days from the egg first appearance period, 3 bee release points per mu, and 3,000 Trichogrammas per point, of which 500 Trichogramma rice borers , 2,000 Trichogramma pine caterpillars, 500 Trichogramma borer yellows, made into bee cards or bee releasing devices and put them in rice fields; Trichogramma should be released on cloudy or rainless evenings to avoid rain and sunlight Sun exposure, or contact with toxic substances.

[0025] S3, the second release of bees is carried out at an interval of 5-7 days, and the method and amount of release of bees are the same as the first time;

[0026] S4, 2-3 days after the second release of bees, the Beauveria bassiana wettable powder of 50 billion / g is evenly sprayed on the ric...

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PUM

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Abstract

The invention discloses a method of coordinatively controlling Chilo suppressalis by combined use of bees and fungi. Systematic monitoring is provided for adults of Chilo suppressalis to lay eggs; bees are released for the first time 3 days after the early stage of egg occurrence; bees are released for the second time 5-7 days later; Beauveria are sprayed 2-3 days after the second release of the bees and are sprayed again 5-7 days later; the effect to control Chilo suppressalis reaches 90% and above. By releasing Trichogramma to host on Chilo suppressalis and spraying Beauveria to kill larvaeof Chilo suppressalis and using bee-fungus coordinative damage control, the biological control effect for Chilo suppressalis is improved, and technical guarantee is provided for pollution-free rice production.

Description

technical field [0001] The invention relates to the field of biological control, in particular to a method for synergistically controlling rice stem borer by combined application of bee fungus. Background technique [0002] Rice stem borer Chilo suppressalis (Walker), commonly known as core borer, stalk borer, white ear worm, etc., belongs to the genus Chilo Zinchin of the family Pyralidae in the order Lepidoptera, and is the most important species in rice production. The common pests of rice can directly cause dead hearts and white ears by boring rice stems. Damage caused by insect damage to plants during the filling period can lead to insufficient grains, resulting in a decrease in yield and quality, and boring rice plants will lead to lodging resistance after eating empty pith cavities, resulting in more serious indirect losses. In general years, it can cause 10% yield loss, and in severe cases, it can reach more than 50%. In recent years, due to changes in climate, far...

Claims

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Application Information

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IPC IPC(8): A01G13/00
CPCA01G13/00
Inventor 周淑香鲁新李丽娟李小宇毛刚刘剑常雪丁岩张国红
Owner JILIN ACAD OF AGRI SCI
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