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Method for biologically preventing and controlling invasive ambrosia artemisiifolia weed by using epiblema strenuana

A technology of ragweed tortrix and ragweed, applied in applications, hunting equipment, animal husbandry, etc., can solve the problems of being easily blown off by strong winds, reducing the growth rate and death of ragweed tortrix population, and optimizing the environment and ecology The effect of balancing and reducing the rate of ragweed pollen allergy

Inactive Publication Date: 2013-05-08
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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AI Technical Summary

Problems solved by technology

[0005] Previously, when the ragweed moth was used to control ragweed, the stems with galls (the inside of the galls contained mature larvae) were randomly scattered on the branches of ragweed plants, which were easily blown off by strong winds. Causes larvae in stems to die before they pupate, reducing population growth of ragweed offspring and reducing control effectiveness

Method used

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  • Method for biologically preventing and controlling invasive ambrosia artemisiifolia weed by using epiblema strenuana
  • Method for biologically preventing and controlling invasive ambrosia artemisiifolia weed by using epiblema strenuana

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Embodiment 1

[0013] 1. Preparation of natural enemy insects

[0014] One day before the release of natural enemy insects, use branch scissors to cut the stems or branches with ragweed tortrix galls (the gall length is 1-2cm), keep the length of the stems or branches 30-40cm, and cut the stems or branches Or branches into cartons or large woven bags (pay attention to ventilation), transported to the ragweed occurrence area.

[0015] 2. Release method of natural enemy insects

[0016] (1) Released at the seedling stage of ragweed

[0017] Late spring or early summer ragweed is in the slow growth period, the plant height is 40-60cm, and the self-compensation ability of the plant is weak, which is a better period for releasing natural enemies. Before the release, investigate the number and occurrence area of ​​ragweed, calculate the density of ragweed and the total amount of ragweed, and release ragweed moth galls at a population density of 2 to 4 heads per 10 plants. Select a sunny day wit...

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Abstract

The invention relates to the field of invasive weed control, in particular to a method for biologically preventing and controlling invasive ambrosia artemisiifolia weed by using epiblema strenuana. The method comprises the steps of preparation and release of epiblema strenuana galls. The method is simple and easy, and can fulfill the aim of continuously controlling spread of ambrosia artemisiifolia populations.

Description

technical field [0001] The invention relates to the field of aggressive weed control, in particular to a method for biologically controlling the invasive weed ragweed by using the ragweed moth. Background technique [0002] Ragweed (Ambrosia artemisiifolia L.) is a vicious invasive weed that poses a serious threat and harm to agricultural production, biodiversity, and human and animal health in my country. Ambrosia was introduced into my country in the early 1930s, and rapidly spread to 21 provinces and cities (districts) due to the lack of effective natural control factors. In view of the characteristics of ragweed, such as serious harm, rapid spread and strong adaptability, both the Ministry of Agriculture and the Ministry of Environmental Protection have listed it as a key prevention and control target. [0003] Weed biological control is the careful use of herbivorous animals or plant pathogenic microorganisms with relatively specific host ranges to control the weed pop...

Claims

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Application Information

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IPC IPC(8): A01K67/033A01M99/00
Inventor 周忠实陈红松郑兴汶万方浩郭建英马骏
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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