A control method of invasive plant Mikania micrantha in mangroves
A technology for invasive plants and mangrove plants, which is applied in the fields of botanical equipment and methods, plant cultivation, plant protection, etc., to achieve the effects of lasting control effect, low cost, and low control cost.
Active Publication Date: 2018-07-27
SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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Problems solved by technology
It can be seen that in the natural environment, there is an interspecific relationship between Cuscuta and Mikania micrantha. Using dodder parasitism as a biological control method to control the invasion of Mikania micrantha will have a good application prospect, but it is still in the exploratory stage
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Embodiment 1
[0021] 1. Design and cultivation of bag seedlings
[0022] In order to increase the success rate of dodder fixation in the field, in this embodiment, dodder is first inoculated on soybean seedlings instead of directly parasitizing Mikania micrantha. Cuscuta used in the present embodiment is field Cuscuta. First, plant the soybean seedlings in an ordinary disposable plastic cup (8cm in diameter at the top, 5.5cm in diameter at the bottom, 10cm in height, about 360ml), fill the plastic cup with sand and a soybean seed, keep the sand moist, and the soybean Germinate and grow, thus obtain soybean bag seedlings; treat that soybean seedlings grow to plant height about 20cm and inoculate a certain amount of Cuscuta on soybean seedlings, specifically: field Cuscuta campestris (Cuscuta campestris) living body (with young shoots 10 cm) collected in the field -15cm) is wound on the bean seedling stem or petiole, and each bean seedling is wound with 2-3 sections of dodder seedlings, and ...
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The invention discloses a method of preventing and controlling invasion of plant mikania micrantha in a mangrove forest. The method comprises the following steps: breeding soybean bag seedlings, and inoculating semen cuscutae on the soybean bag seedlings after the soybean bag seedlings grow to the height of 20cm, thus obtaining semen cuscutae bag seedlings after the semen cuscutae are attached to the soybean bag seedlings; fixing the semen cuscutae bag seedlings on branches of mangrove plants enwound by the mikania micrantha, and building an isolation water way at one side, close to the land, of the mangrove forest; sealing a beach and maintaining. By adopting the method, spreading and pervading of the mikania micrantha can be effectively controlled, thus realizing ecological ideas of ''preventing and controlling external species by native species'' and ''treating grass by grass''; safety and harmlessness to environment are realized, the control effect is lasting, the preventing and controlling cost is low, and a mangrove forest community harmed by mikania micrantha invasion can be recovered most economically and effectively.
Description
technical field [0001] The invention belongs to the technical field of ecological environment protection, and in particular relates to a method for preventing and controlling the invasive plant Mikania micrantha in mangroves. Background technique [0002] Mikania micrantha H.B.K. is a perennial vine native to Central and South America, and it is one of the 100 most invasive species in the world (Lowe et al., 2001). Mikania micrantha invaded South China after 1910. Because of its strong adaptability and fast growth, it began to invade and spread widely in many areas in southern my country in the 1980s, among which the Pearl River Delta was the most serious, causing serious local ecological problems. The destruction and huge economic losses have aroused widespread concern in the society, and have been included in the first batch of 16 alien invasive species lists announced by the State Environmental Protection Administration of my country. Mikania micrantha causes great harm t...
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IPC IPC(8): A01G13/00A01G22/00
CPCA01G13/00A01G22/00
Inventor 沈浩李婷黄立新蔡佳宁叶万辉曹洪麟
Owner SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI