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A method of physical control using the invasive plant Mikania micrantha to compensate for the difference in response

A technology of invasive plants and physical control, applied in the field of plant protection of invasive plant prevention and control, can solve the problems such as difficult to determine the best time, strength, conditions and measures of physical control, achieve the reduction of plant cloning and reproduction ability, and improve the recovery growth ability , Improve the effect of the control effect

Inactive Publication Date: 2021-02-05
INST OF AGRI ENVIRONMENT & RESOURCES YUNNAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Research on invasive plants is still limited to the stage of basic invasion theoretical research to clarify stress resistance, especially for the rare research reports on the differences in compensation levels between Mikania micrantha and native plants in different periods, and it is difficult to determine the best period, intensity, and conditions of physical control and measures etc.

Method used

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  • A method of physical control using the invasive plant Mikania micrantha to compensate for the difference in response
  • A method of physical control using the invasive plant Mikania micrantha to compensate for the difference in response
  • A method of physical control using the invasive plant Mikania micrantha to compensate for the difference in response

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Example 1 The difference in the compensation response of the invasive plant Mikania micrantha to different mechanical damages and its application to physical control

[0054] Test location and materials: The test was carried out in the wasteland on the outskirts of Ruili City, Dehong Prefecture, Yunnan Province (97°68′29″ east longitude, 23°86′75″ north latitude, 1206.3 meters above sea level). The landform type of the test area is hilly and mountainous, the soil is red soil, and the organic matter is 4.12g.kg -1 , total nitrogen 0.44g.kg -1 , total phosphorus 0.29g.kg -1 , total potassium 0.53g.kg -1 , pH 7.32. The annual average temperature is 21.2°C and the annual rainfall is 1355.2mm. This plot is a habitat where the invasive plant Mikania micrantha (Mikania micrantha H.B.K) occurs all the year round and is evenly distributed, with a coverage of 40-45%.

[0055]Test method: The main stem of the invasive plant Mikania micrantha grows to about 10cm (40 days after...

Embodiment 2

[0070] Example 2 Differences in the compensation level of the invasive plant Mikania micrantha in different growth stages and its application to physical control

[0071] Test materials: According to the results of the compensation response of Mikania micrantha to different degrees of mechanical damage according to Example 1, the present invention further tests the difference in the compensation response of the invasive plant at different growth stages and its physical control effect. The test materials were taken from Mikania micrantha H.B.K. in Example 1, Ruili City, Dehong Prefecture, Yunnan Province.

[0072] Test method: The cultivation test was carried out in a sunshine greenhouse under the condition of 24-28°C. The plots with uniform soil, good lighting and equal fertility were selected and organized into 56 plots of 3m×4m with an interval of 2.5m between plots. At the beginning of March, a single stem section of Mikania micrantha with leaf buds was selected as a clone ...

Embodiment 3

[0087] Example 3 The compensation difference between the invasive plant Mikania micrantha and native plants and its application to physical control

[0088]Test material: Compensation response difference of invasive plant Mikania micrantha and local plants The habitat is the same as in Example 1, and the investigation of crabgrass (Digitaria sanguinalis), Yunnan sugarcane grass (Erianthus rockii), weed grass (Arthraxon hispidus), wrinkled leaves Compensatory responses of 12 species of Mikania micrantha associated native plants including Setaria plicata, Triarrhenasacchariflora, Hedyotis auricularia and Artemisia carvifolia.

[0089] Test method: The research results of Example 1 and Example 2 show that the invasive plant Mikania micrantha has a higher plant compensation level than that of climbing growth under the condition of lying on the ground, and the same physical control method of eradication or mowing is adopted for the plants growing on the ground. Under the same condi...

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Abstract

The invention discloses a method for physically preventing and controlling Mikania micrantha by utilizing the compensation reaction difference of the invasive plant Mikania micrantha, and relates to the technical field of plant protection for preventing and controlling invasive plants. The physical control is based on the difference between the compensation response ability of the invasive plant Mikania micrantha and the native plants, through the selection of compensation response, the selection of compensation level and period, the selection of the compensation difference between the invasive plant Mikania micrantha and the local plant, and the selection of compensation response conditions, and manual eradication and / or mowing are adopted. Physical control by mowing prevents Mikania micrantha from rapidly self-repairing damage and high-level compensatory growth. The method of the invention can remarkably improve the control effect on Mikania micrantha, as well as the technical effect of persistence and safety, and achieve more than 80% of the physical control effect on the invasive plant Mikania micrantha after mechanical damage.

Description

technical field [0001] The invention belongs to the technical field of plant protection for the prevention and control of invasive plants, and specifically relates to the use of the compensation response level difference of the invasive plant Mikania micrantha in different periods, conditions and measures, etc., through the selection of the best control state, period, condition, measure and region , can play a technical method that is conducive to the recovery of native species but not conducive to the recovery of the invasive plant Mikania micrantha. Background technique [0002] The invasive plant Mikania micrantha (Mikania micrantha H.B.K) belongs to the Compositae family and belongs to the genus Mikenia. It is native to Central America. It is a perennial herbaceous or slightly woody vine with strong stress resistance, reproduction and plasticity. (Mini et al., 2005; Micbael et al., 2016). In tropical and subtropical invasive areas, it grows widely in woodlands, farmland...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/00A01G22/60A01G7/06A01G13/00A01M21/00A01M21/02
CPCA01G7/06A01G13/00A01M21/00A01M21/02
Inventor 张付斗申时才徐高峰杨韶松吴迪金桂梅
Owner INST OF AGRI ENVIRONMENT & RESOURCES YUNNAN ACAD OF AGRI SCI
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