Method for inhibiting Mikania micrantha in non-forest land with little or no tillage and no artificial irrigation by using tall grasses

A non-forest and Mikania technology, applied in the field of prevention and control of invasive plants, can solve the problems of living space occupation of Mikania, inability to completely kill Mikania, unsuitable for non-forest land, etc., so as to achieve the advantages of improving competitiveness, easy operation and avoiding cumulative effects. Effect

Active Publication Date: 2019-03-15
ZHONGKAI UNIV OF AGRI & ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Chemical control refers to the use of chemical herbicides to kill Mikania micrantha. This method has quick results and obvious effects, and is currently the most widely used method for controlling Mikania micrantha. Chemical herbicides are effective, but they also have the disadvantage of not being able to completely kill Mikania micrantha. After the killing of Caojing, the effect can only last for 1~2 years, and the living space of Mikania micrantha will be occupied by other vines after killing; and the use of chemical herbicides will have a certain impact on other plants and soil
The biological control method is still in the laboratory stage. The community constructed by Li Mingguang et al. in 2001 by planting Macaranga tannica and P. Reserves, around ponds, beside ditches, rivers, etc.)

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Utilize the method for suppressing Mikania micrantha in the non-forest land of little tillage or no-tillage and unmanned irrigation by using large millet and sorghum cane, the method comprises the following steps:

[0056] 1) Select grasses: choose millet and sorghum cane seeds;

[0057] 2) Planting method: Sow millet and sorghum cane in March-April; adopt hole sowing method, the specific steps are to pour the seeds into the seed dressing and mix well, soak for 3-5 hours, pour into the sieve to filter the water ;Put it in a ventilated place and spread out until there is no water drop on the seed skin and no adhesion between the seeds, open holes for sowing, density 1-9 holes / m 2 , hole specification diameter 5-10cm, depth 5-10cm, 2-5 grains per hole, cover soil 0.5-1 cm after sowing, keep the soil moist;

[0058] 3) Bag seedling transplanting: transplant the seedlings of millet and sorghum cane into seedling bags; transplant the seedlings to the planting site after the...

Embodiment 2

[0065] The method for suppressing Mikania micrantha in less-tillage or no-tillage unmanned irrigation non-forest land using sudan grass comprises the following steps:

[0066] 1) Select grass: choose Sudan grass;

[0067] 2) Planting method: Sudan grass is sown in March-April; it is sown by direct sowing, and the seeds are sown directly on the planting site, and the sowing rate is 0.5-5g / m 2 ;

[0068] 3) Transplanting bagged seedlings: transplant the seedlings of sudan grass into seedling bags; transplant the seedlings to the planting site after the seedlings reach a height of 5-10cm; the selection of planting sites includes roadside abandoned land, development and construction spare land, and surrounding ponds , on both sides of the ditch, on the banks of rivers, etc.; the withered plants of Mikania micrantha can be clearly seen in the areas that have been harmed by Mikania micrantha, and can be planted directly; the remaining areas covered by low vegetation and bare ground...

Embodiment 3

[0075] The method for suppressing Mikania micrantha in non-forest land with little tillage or no tillage and unmanned irrigation by using hybrid pennisetum, the method comprises the following steps:

[0076] 1) Grass selection: select the hybrid pennisetum stalks that are thick and free of diseases and insect pests. The stems are usually 2 nodes and 1 internode, and the leaves are cut off to keep only the leaf sheaths;

[0077] 2) Planting method: Propagate by cuttings, cutting in March-April; use a hoe or a pick to open a hole, the depth is about 10cm, and the width is 10-15cm; the stem is soaked in 0.2-0.3% water-retaining agent for 5-10min, and then axillary buds Upward, the stem is inserted into the soil at an angle of 15°-45° to the ground, covering 3 / 4 of the soil, and the propagation cutting density is 1-9 plants / m 2 ;

[0078]3) Bag seedling transplanting: Transplant hybrid pennisetum seedlings propagated by cuttings into seedling bags; transplant them to the planting...

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PUM

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Abstract

The invention discloses a method for inhibiting mikania micrantha by means of high-stalk grass in minimal-tillage or no-tillage non-forestry land free of artificial irrigation. The method comprises the steps of grass selection, plantation, bag seedling transplantation, seedling management, later-period management, and next-year and long-term management. High-stalk grass for feeding use is utilized; by controlling the growth vigor of high-stalk grass and mikania micrantha, mikania micrantha is prevented from climbing to the top end of certain high-stalk grass to cover the high-stalk grass, in this way, mikania micrantha is inferior in competition for light, and then growth of mikania micrantha is inhibited.

Description

technical field [0001] The invention relates to the technical field of prevention and control of invasive plants, in particular to a method for inhibiting Mikania micrantha in non-forest land with little or no tillage and unmanned irrigation by using tall grasses. Background technique [0002] Mikania micrantha is native to Central and South America, mainly distributed in Mexico, Brazil, Ecuador, Peru, Colombia, Argentina, and Bolivia. It has invaded Southeast Asia, the Indian subcontinent, the Pacific Islands, Australia, Mauritius and other places. In 2009, Mikania micrantha was found in the United States. my country first collected Mikania micrantha specimens in Hong Kong in 1884; thereafter, specimens were collected in Yunnan and Shenzhen Yinhu in 1983 and 1984 respectively. At present, Mikania micrantha has spread widely in southern China, Guangdong, Yunnan, Taiwan , Hong Kong, Guangxi, Hainan, and Macau are all distributed; among them, Guangdong, Yunnan, and Taiwan are ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01M99/00
CPCA01M99/00
Inventor 陈平洪岚石秀兰周胜余土元郭微韩瑞宏
Owner ZHONGKAI UNIV OF AGRI & ENG
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