Method for preventing and controlling invasive weed solidago canadensis by using locusta chinensis

A technology of sword horned locust and goldenrod, applied in the field of biologically invasive malignant weeds, can solve the problems of rapid spread of goldenrod and difficult to control, and achieve the effects of wide application range, small ecological disturbance, and strong reproductive ability

Active Publication Date: 2022-04-29
JIANGSU UNIV
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Problems solved by technology

[0005] Aiming at the problems existing in the prior art, the present invention proposes a method for controlling and controlling the invading weed Solidago canadensis by using the Chinese swordhorn locust, specifically, us...

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  • Method for preventing and controlling invasive weed solidago canadensis by using locusta chinensis

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Embodiment 1

[0028] 1. Preparation before prevention and treatment

[0029] Investigate the weather conditions during the release period, the number of solidago canadensis and the area of ​​occurrence area, and calculate its density and total amount. This experiment selects the coast of Jiaoshan Lake in Zhenjiang City, Jiangsu Province, 2×2m 2 , repeat 3 groups, control 1 group.

[0030] 2. The capture of Chinese sword horned locust

[0031] One day before the release of natural enemy insects (April 2, 2021), small adults with a length of about 1-3 cm were artificially captured in a ventilated jar in vegetable sheds and grass bushes in Jianbi Town, Zhenjiang City, Jiangsu Province (can be determined according to the condition of plant leaves) With or without Chinese sword horned locust)

[0032] 3. Release method: Release natural enemy insects at the seedling stage of Solidago canadensis

[0033] On April 3, 2021, press 5 pieces / m 2 The population density of the released S. sinensis. ...

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Abstract

The invention belongs to the technical field of biological invasion worst weed treatment, and particularly relates to a method for preventing and controlling invasion weed solidago canadensis by locusta chinensis. The method comprises a preparation step of locusta chinensis, a release method and a region immobilization method. The implementation process comprises the steps of light source supplementing, insect throwing in the seedling stage, light source adjusting and insect re-throwing in the growing stage, specifically, in a solidago canadensis invasion area, an artificial light supplementing mode is adopted, and then locusta sinensis is thrown, so that leaves of solidago canadensis are fed, photosynthesis is difficult to conduct, seedlings die or flower seeds are difficult to form, and the purpose of preventing and treating the locusta sinensis is achieved. Intrusion diffusion is controlled, so that the ecological function is restored. The method is simple, high in operability and small in regional ecology interference, the natural enemy prevention and control principle is fully utilized, diffusion and propagation of solidago canadensis can be effectively controlled, the released locusta sinensis can be prevented from being abused to cause disasters, and ecological balance is maintained.

Description

technical field [0001] The invention belongs to the technical field of biologically invasive malignant weed control, and in particular relates to a method for controlling the invasive weed Solidago canadensis by using the Chinese sword horned locust. Background technique [0002] Solidago canadensis L. is a vicious invasive weed that poses a serious threat and harm to the regional ecological environment, agricultural production, and human health in my country. It was introduced into Shanghai as an ornamental plant in my country in 1935. Due to the lack of natural enemies and strong reproductive and spreading capabilities, it quickly spread to eastern coastal areas such as Jiangsu, Zhejiang, and Shandong, and continued to spread inland, making it difficult to contain. Mu, the study found that the root allelopathic extract of Solidago canadensis can inhibit the germination rate of wheat by more than 50%. In view of the characteristics of solidago canadensis, such as serious dam...

Claims

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Application Information

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IPC IPC(8): A01K67/033
CPCA01K67/033Y02A90/40
Inventor 任光前杨彬戴志聪张海燕崔苗苗杜道林
Owner JIANGSU UNIV
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