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Method for improving female ratio of trichogramma progeny and application of method

A Trichogramma, Trichogramma ratio technology, applied in the field of increasing the female ratio of offspring of Trichogramma, can solve the problems of environment, human beings and non-target organisms, harmfulness, high degree of damage, unsatisfactory control effect of yellow wild borer, etc., to improve biological defense Control effect, simple method, effect of reducing usage

Active Publication Date: 2020-04-17
中国医学科学院药用植物研究所云南分所 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the insect has the characteristics of rapid development, strong reproductive ability and high degree of damage, the control effect on the yellow wild borer is not ideal at this stage.
[0003] At present, the control of the yellow borer is mainly chemical control, but it is harmful to the environment, humans and non-target organisms

Method used

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  • Method for improving female ratio of trichogramma progeny and application of method
  • Method for improving female ratio of trichogramma progeny and application of method
  • Method for improving female ratio of trichogramma progeny and application of method

Examples

Experimental program
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Effect test

Embodiment 1

[0031] A method for improving the female ratio of Trichogramma offspring, comprising the steps of:

[0032] Step 1 Prepare egg card: prepare egg card with rice moth eggs;

[0033] (1) rice moth ovum rearing: the rice moth ovum is placed in the sterilized insect rearing box, and the temperature in the beehive chamber is adjusted to 20° C., the relative humidity is 65%, and natural light makes the eggs hatch into larvae;

[0034] (2) Feeding from rice moth larvae to adults: add the sterilized flour into the insect raising box for the larvae to feed on, and the larvae pupate in the flour. When there is less flour in the insect raising box, add a layer of 3mm thick in time of flour until the adults emerge;

[0035] (3) rice moth adult eclosion to oviposition: the imago that eclosion is transferred in the gauze bag, for its mating oviposition, provide during oviposition be dipped in the cotton ball that concentration is 5% sucrose water as adult supplementary nutrition, every morn...

Embodiment 2

[0044] A method for improving the female ratio of Trichogramma offspring, comprising the steps of:

[0045] Step 1 Prepare egg card: prepare egg card with rice moth eggs;

[0046] (1) rice moth ovum rearing: the rice moth ovum is placed in the sterilized insect rearing box, and the temperature in the beehive chamber is 30° C., the relative humidity is 70%, and the natural light makes the eggs hatch into larvae;

[0047] (2) Feeding from rice moth larvae to adults: add the sterilized flour into the insect raising box for the larvae to feed on, and the larvae pupate in the flour. When there is less flour in the insect raising box, add a layer of 3mm thick in time of flour until the adults emerge;

[0048] (3) rice moth adult eclosion to oviposition: the imago that eclosion is transferred in the gauze bag, for its mating oviposition, during oviposition period provide and be dipped in the cotton ball that concentration is 15% sucrose water as adult supplementary nutrition, every ...

Embodiment 3

[0057] A method for improving the female ratio of Trichogramma offspring, comprising the steps of:

[0058] Step 1 Prepare egg card: prepare egg card with rice moth eggs;

[0059] (1) rice moth ovum rearing: the rice moth ovum is placed in the sterilized insect rearing box, the temperature in the beehive chamber is adjusted to 25°C, the relative humidity is 70%, and the natural light makes the eggs hatch into larvae;

[0060] (2) Feeding from rice moth larvae to adults: add the sterilized flour into the insect raising box for the larvae to feed on, and the larvae pupate in the flour. When there is less flour in the insect raising box, add a layer of 3mm thick in time of flour until the adults emerge;

[0061] (3) rice moth adult eclosion to oviposition: the imago that eclosion is transferred in the gauze bag, for its mating oviposition, during oviposition period provide and be dipped in the cotton ball that concentration is 10% sucrose water as adult supplementary nutrition, ...

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Abstract

The invention discloses a method for preventing and controlling heortia vitessoides by using trichogramma pintoi and an application of the method. The method comprises the specific process of feedingthe trichogramma in eggs of alternative host corcyra cephalonica. By setting an appropriate feeding environment, host and parasitoid wasp factors, the method improves the female ratio of the trichogramma progeny on the basis of without affecting bee reproduction quality and application effects, thereby improving the biological prevention and control effect on the heortia vitessoides, and facilitating the large-scale promotion and application of the trichogramma in the aquilaria sinensis pest heortia vitessoides; and the method can greatly reduce the use of chemical pesticides, and has important significance for non-target biological safety, human health and ecological environmental protection.

Description

technical field [0001] The invention relates to a technical method for using Trichogramma to control pests, and more specifically relates to a method for increasing the female ratio of Trichogramma offspring and its application. Background technique [0002] Yellow wild borer (Heortiavitessoides Moore), belonging to Lepidoptera (Lepidoptera) Pyralidae, is one of the main pests of A. sinensis. The yellow wild borer is mainly distributed in the southern and coastal areas of my country, including Yunnan, Hainan, Guangdong, Guangxi, Fujian and Taiwan provinces, as well as countries such as India, Nepal, Sri Lanka, Australia and Fiji. In countries such as China, Malaysia and India, relevant information about the serious harm of A. argentina has been reported. Because the insect has the characteristics of rapid development, strong reproductive ability and high degree of damage, the control effect on the yellow wild borer is not ideal at this stage. [0003] At present, chemical ...

Claims

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Application Information

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IPC IPC(8): A01K67/033A01G13/00
CPCA01K67/033A01G13/00
Inventor 严珍岳建军
Owner 中国医学科学院药用植物研究所云南分所
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