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Method utilizing cuscuta reflexa for controlling mikania micrantha

A technology of dodder and Mikania micrantha is applied in the field of biological control of invasive organisms, and achieves the effects of good prevention and control effect, simple and easy operation, and remarkable ecological benefits.

Inactive Publication Date: 2013-07-10
YUNNAN ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] So far, there is only one domestic patent related to both Mikania micrantha and Cuscuta, "Method for Propagating Cuscuta Quickly Using Mikania micrantha".

Method used

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  • Method utilizing cuscuta reflexa for controlling mikania micrantha
  • Method utilizing cuscuta reflexa for controlling mikania micrantha
  • Method utilizing cuscuta reflexa for controlling mikania micrantha

Examples

Experimental program
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Effect test

Embodiment 1

[0016] A. In August when the monthly average temperature is 15-30°C, the extreme low temperature is higher than 5°C, the extreme high temperature is lower than 38°C, the precipitation is ≥100 mm, and the humidity RH is ≥60%, the intercepted Cuscuta grandiflorum grows vigorously, without inflorescence, Stem tops with less than 3 branches and a length of 30 cm are used as propagation materials;

[0017] B. Insert 2 to 3 propagating materials obtained in step A into a container filled with water to obtain Cuscuta grandiflora propagating block;

[0018] C. In the area where Mikania micrantha occurs, every 100m 2 Place 25 Cuscuta grandiflora propagation blocks in step B, and wind the stems of the upper part of the Cuscuta grandiflora propagation blocks on the tender stems of Mikania micrantha for 2 to 3 circles, and after 7 days of natural growth, make the stems of Cuscuta grandiflora form haustoria and fix them on the On Mikania micrantha, complete dodder infestation of mikania m...

Embodiment 2

[0020] A. In September when the monthly average temperature is 15-20°C, the extreme low temperature is higher than 5°C, the extreme high temperature is lower than 38°C, the precipitation is ≥100 mm, and the humidity RH is ≥60%, the intercepted Cuscuta grandiflorum grows vigorously, without inflorescence, Stem tops with less than 3 branches and a length of 30 cm are used as propagation materials;

[0021] B, 2 of the propagation materials obtained in step A are inserted into a container filled with water to obtain Cuscuta grandiflora propagation block;

[0022] C. In the area where Mikania micrantha occurs, every 100m 2 Place 30 Cuscuta grandiflora propagation blocks of step B, and attach the stems on the upper part of the Cuscuta grandiflora propagation block to the tender stems of Mikania micrantha, and after 7 days of natural growth, make the stems of Cuscuta grandiflora form a haustor and fix on the Mikania micrantha, Complete dodder infestation of Mikania micrantha, thus ...

Embodiment 3

[0024] A. In October when the monthly average temperature is 20-30°C, the extreme low temperature is higher than 5°C, the extreme high temperature is lower than 38°C, the precipitation is ≥100 mm, and the humidity RH is ≥60%, the intercepted Cuscuta grandiflorum grows vigorously, without inflorescences, Stem tops with less than 3 branches and a length of 30 cm are used as propagation materials;

[0025] B, 3 of step A gained propagation materials are inserted in the container of holding water, obtain Cuscuta grandiflora propagation block;

[0026] C. In the area where Mikania micrantha occurs, every 100m 2 Place 20 Cuscuta grandiflora propagation blocks in step B, and wind the stems of the upper part of the Cuscuta grandiflora propagation block on the tender stems of Mikania micrantha 3 times, and after 7 days of natural growth, make the stems of Cuscuta grandiflora form a haustor and fix on Mikania micrantha , complete the infestation of Mikania micrantha by Cuscuta grandifl...

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Abstract

The invention provides a method utilizing cuscuta reflexa for controlling mikania micrantha. The method specifically includes: cutting out stem vine tips of the cuscuta reflexa; inserting 2-3 cut stem vine tips into a container containing water to obtain cuscuta reflexa reproductive blocks; placing 20-30 cuscuta reflexa reproductive blocks every 100m<2> in a mikania micrantha generation area, winding stem vines of the upper portion of the cuscuta reflexa reproductive blocks on tender stems of the cuscuta reflexa by 2-3 circles, or assisting the stem vines of the upper portion of the cuscuta reflexa reproductive blocks to climb on the tender stems of the cuscuta reflexa, naturally growing until cuscuta reflexa stems form haustoria fixed on the mikania micrantha, and completing invasion of the cuscuta reflexa on the mikania micrantha, so that the mikania micrantha is invaded, parasitic and killed and is prevented from scattering and spreading. The method is simple, feasible, pollution-free, extremely environment-friendly, low in cost and good in prevention and control effect, and has the advantages of remarkable economic, social and ecologic benefits and the like. Mikania micrantha coverage can reach above 90%, and for mikania micrantha generation areas free of important concomitant economic crops, spreading and scattering of the mikania micrantha is controlled effectively and continuously.

Description

technical field [0001] The invention relates to a method for controlling Mikania micrantha by using Cuscuta grandiflora, and belongs to the technical field of biological control of invasive organisms. Background technique [0002] Mikania Mikania micrantha H.B.K. is a perennial herbaceous vine of the Asteraceae Eupatorium genus. In 2004, the International Union for Conservation of Nature (IUCN) announced that it was one of the 100 most harmful invasive alien species in the world. On January 9, 2013, it was again listed by the State Forestry Administration. Announcement identified as the only national forestry quarantine harmful plant. In 2008, the inventor investigated and detected the genus Cuscuta in the occurrence area of ​​Mikania micrantha in Yunnan Province Cuscutaeuropaea Cuscuta grandiflora Cuscuta reflexa Roxb., Cuscuta Cuscuta chinensis Lam., Golden Lantern Vine Cuscuta japonica Choisy. For the parasitic ability of Mikania micrantha, it was first discovere...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01M99/00
Inventor 泽桑梓季梅杨斌朱家颖赵宁王大伟刘凌李浩然闫争亮
Owner YUNNAN ACAD OF FORESTRY
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