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Method for artificially raising epiblema strenuana

A technology of ragweed tortrix and ragweed, which is applied in the field of artificial breeding of natural enemy insects, can solve the problem that natural enemies cannot fully play their roles, and achieve the effect of simple and easy to master and less manpower and material resources input

Inactive Publication Date: 2011-09-21
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, at present, my country has not yet formed a complete technical system for the reproduction of ragweed moth, so this natural enemy has not been able to fully play its role in the biological control of ragweed

Method used

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  • Method for artificially raising epiblema strenuana
  • Method for artificially raising epiblema strenuana
  • Method for artificially raising epiblema strenuana

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Embodiment 1: artificially raise ragweed tortrix with the method provided by the invention, its steps are as follows:

[0039] 1) Insect source collection, winter preservation and breaking diapause of ragweed moth

[0040] The ragweed stalks or branches (kept at 30-40cm long) collected in the field from the end of September to the beginning of October 2008 (kept at a length of 30-40 cm) were placed on an indoor insect rack, and the ragweed galls were affected. For winter storage, the storage conditions in winter are as follows: black curtains are drawn indoors for shading, heated with an oil heater, humidified with a humidifier, and maintained at an indoor temperature of 6-10°C and a humidity of 60-70%;

[0041] By mid-March 2009, the ragweed stalks or branches with ragweed tortrix galls were placed in the light conditions of 28°C, 70-75% humidity and light and shade L:D=16:8 to relieve diapause Placed in the room for 25 days to remove the diapause of the ragweed moth ...

Embodiment 2

[0055] Embodiment 2: use method provided by the invention to artificially raise ragweed tortrix, and its steps are as follows:

[0056] 1) Insect source collection, winter preservation and breaking diapause of ragweed moth

[0057] The ragweed stalks or branches (kept at 30-40cm long) collected in the field from the end of September to the beginning of October 2008 (kept at a length of 30-40 cm) were placed on an indoor insect rack, and the ragweed galls were affected. For winter storage, the storage conditions in winter are as follows: black curtains are drawn indoors for shading, heated with an oil heater, humidified with a humidifier, and maintained at an indoor temperature of 6-10°C and a humidity of 60-70%;

[0058] By mid-March 2009, the ragweed stalks or branches with ragweed tortrix galls were placed in the light conditions of 28°C, 75-80% humidity and light and shade L:D=16:8 to relieve diapause Placed in the room for 20 days to remove the diapause of the ragweed mot...

Embodiment 3

[0072] Embodiment 3: artificially raise ragweed tortrix with the method provided by the invention, its steps are as follows:

[0073] 1) Insect source collection, winter preservation and breaking diapause of ragweed moth

[0074] The ragweed stalks or branches (kept at 30-40cm long) collected in the field from the end of September to the beginning of October 2008 (kept at a length of 30-40 cm) were placed on an indoor insect rack, and the ragweed galls were affected. For winter storage, the storage conditions in winter are as follows: black curtains are drawn indoors for shading, heated with an oil heater, humidified with a humidifier, and maintained at an indoor temperature of 6-10°C and a humidity of 60-70%;

[0075] By mid-March 2009, the ragweed stalks or branches with ragweed tortrix galls were placed in the light conditions of 28°C, 80-90% humidity and light and shade L:D=16:8 to relieve diapause Placed in the room for 23 days to remove the diapause of the ragweed moth ...

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Abstract

The invention relates to a method for artificially raising epiblema strenuana, which comprises the following steps of: placing cecidiums of the epiblema strenuana on an indoor worm raising frame in winter, using a black curtain to shield light and protect worm seeds, and maintaining the indoor temperature to between 6 and 10 DEG C and maintaining the indoor humidity to between 60 and 70 percent through a heater and a humidifier; placing the cecidiums in a diapause releasing chamber with the temperature of 28 DEG C, the humidity of 70 to 90 percent and 16L:8D illumination for 20-25 days in mid-March next year, and releasing larval diapause; transferring larvals after diapause release to a greenhouse from middle-April to the end of April, and hanging 6-8 stalks or branches stalks or branches with the cecidiums on each ragweed plant by using a thread rope; and replenishing the illumination for 2 to 3 hours every night after adult worms are emergent, putting the cecidiums into a carton ora large-scale woven bag when the next generation of larvals are formed into the cecidiums with the length of 1.5 to 2cm in the stalks or the branches, and packaging the cartons or the large-scale woven bags and conveying the cartons or the large-scale woven bags to provinces with various ragweeds to release. The invention has the advantages of simple method and low cost, and can ensure that a large amount of worm sources can be supplied to places where the ragweeds are produced in every part of the country.

Description

technical field [0001] The invention relates to a method for artificially raising natural enemy insects, in particular to an artificially raising method for the ragweed moth which has specific and special effects on the invading malignant weed ragweed. Background technique [0002] Ragweed (Ambrosia artemisiifolia L.), belonging to the family Asteraceae and the genus Ambrosia, is a vicious and invasive weed that spreads widely. After invading our country, in the absence of natural enemies and other biological constraints, its population quickly broke out and is now distributed in 21 provinces and cities in our country. Seriously affect agricultural production, human health and biodiversity. [0003] In foreign countries, the research on the biological control of ragweed began in the middle of the 1960s. Among them, natural enemy insects such as ragweed striped beetle, ragweed armyworm, ragweed tortrix, ragweed fruit fly, and ragweed leaf beetle been applied more. From 198...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/033
Inventor 周忠实万方浩郭建英陈红松罗源华
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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