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Biological control method for hyphantria cunea

A technology of American white moth and white horn, applied in the fields of botanical equipment and methods, plant protection, horticulture, etc., can solve the problems of large differences in control effects, different varieties and dosages of control technology links and measures, and improve yield and quality. , the effect of reducing usage and wide application prospects

Pending Publication Date: 2021-08-24
安徽省友林林业技术发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to different control techniques and measures and differences in the dosage of pesticides used in the control of American white moth, the control effect is quite different.

Method used

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  • Biological control method for hyphantria cunea
  • Biological control method for hyphantria cunea

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as Figure 1-2 Shown, a kind of American white moth biological control method specifically comprises the following steps:

[0032] Step 1. In the young larvae stage of the white moth: cut off the larva net and harmful branches, bag and seal the cut branches and net, take them away from the garden and burn them;

[0033] Step 2. In the mature larval stage of the American white moth: before the mature larvae of the American white moth start to pupate in the tree, the trunk is 0.8 to 1.8 meters above the ground, tied up tightly with hay, and tied up for a week to attract the old larvae. Cooked larvae pupate in it, and the hay is any one of cereal grass, rice straw, wheat straw, or weeds. During the pupation period, the grass handles are changed every 7 days, and the changed grass handles are bagged and sealed, and taken away from the garden. concentrated burning;

[0034] Step 3, in the initial stage of pupation of the white moth: release the parasitic bees, release...

Embodiment 2

[0040] Such as Figure 1-2 Shown, a kind of American white moth biological control method specifically comprises the following steps:

[0041] Step 1. In the young larvae stage of the white moth: cut off the larva net and harmful branches, bag and seal the cut branches and net, take them away from the garden and burn them;

[0042] Step 2. In the mature larval stage of the American white moth: before the mature larvae of the American white moth begin to pupate in the tree, the trunk is 0.8 to 1.8 meters above the ground, tied up tightly with hay, and tied up for a week to attract the old larvae. Cooked larvae pupate therein, and the hay is any one of cereal grass, rice straw, wheat straw, and weeds. During the pupation period, the grass handles are changed every 5 days, and the changed grass handles are bagged and sealed, and taken away from the garden. concentrated burning;

[0043] Step 3, in the initial stage of pupation of the white moth: release the parasitic bees, rele...

Embodiment 3

[0049] like Figure 1-2 Shown, a kind of American white moth biological control method specifically comprises the following steps:

[0050] Step 1. In the young larvae stage of the white moth: cut off the larva net and harmful branches, bag and seal the cut branches and net, take them away from the garden and burn them;

[0051] Step 2. In the mature larval stage of the American white moth: before the mature larvae of the American white moth start to pupate in the tree, the trunk is 0.8 to 1.8 meters above the ground, tied up tightly with hay, and tied up for a week to attract the old larvae. Cooked larvae pupate in it, and the hay is any one of cereal grass, rice straw, wheat straw, and weeds. During the pupation period, the grass handles are changed every 5 to 7 days, and the changed grass handles are bagged and sealed, and taken away. Concentrated burning in the garden;

[0052] Step 3, in the initial stage of pupation of the white moth: release the parasitic bees, and re...

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Abstract

The invention discloses a biological control method for hyphantria cunea. The method comprises the following steps: in a low-age larva stage of the hyphantria cunea, cutting off a larva net curtain and harmful branches, bagging and sealing the cut branches and the net curtain, and taking the branches and the net curtain away from a garden for centralized burning; in a hyphantria cunea mature larva stage, before hyphantria cunea mature larvas begin to get out of a tree and pupate, tightly binding the trunk with hay at a position 0.8-1.8 m away from the ground for a circle, trapping the hyphantria cunea mature larvas to pupate in the hay, replacing hay bundles every 5-7 days during pupation, bagging and sealing the replaced hay bundles, and taking the replaced hay bundles away from the garden for centralized burning; and in the initial stage of hyphantria cunea pupation, releasing parasitic wasps, and continuously releasing the parasitic wasps for control twice. The biological control method for the hyphantria cunea is simple, the means of combining artificial physical control and biological control is adopted, occurrence and propagation of the hyphantria cunea are controlled, the population base number and propagation and diffusion of the hyphantria cunea are thoroughly controlled, the use amount of chemical pesticide is reduced, and the yield and quality of agricultural products are improved.

Description

technical field [0001] The invention relates to the technical field of biological control, in particular to a method for biological control of white moth. Background technique [0002] The American white moth Hyphantria cunea (Drury) is native to North America and is a worldwide quarantine pest. It was first discovered in Dandong, my country in 1979, and then spread rapidly, and has now spread to Liaoning, Jilin, Shandong, Shaanxi, Hebei, Tianjin, Henan, Shanghai, Jiangsu, Anhui and other regions. Because of its miscellaneous feeding habits, large amount of occurrence, and rapid spread, wherever it goes, there are no leaves of the damaged plants, and the damage is very serious. The natural enemy insects of the American white moth include Achidenia spp., Braconidus spp., Golden wasp. Bee Chouioia cunea Yang. The white moth A. zhoui is an endoparasitic natural enemy of the white moth. It was named by researcher Yang Zhongqi in 1989, and its morphology and behavior were desc...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01K67/033
CPCA01G13/00A01K67/033
Inventor 童立堂秦文斌陈洁赵克文周斌钱大林曹星梅费鹏飞
Owner 安徽省友林林业技术发展有限公司
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