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Biological-physical control method for spartina alterniflora

A technology of Spartina alterniflora and physical control, applied in the fields of botanical equipment and methods, plant protection, plant protection cover, etc., can solve the problems of long cycle and achieve the effect of permeability

Active Publication Date: 2016-01-13
SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI +1
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Biological competition or biological substitution can continuously and effectively inhibit the growth of Spartina alterniflora through the growth of substitute species, and completely eradicate Spartina alterniflora, but the selection of substitute species has great limitations and the cycle is long

Method used

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  • Biological-physical control method for spartina alterniflora
  • Biological-physical control method for spartina alterniflora
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Examples

Experimental program
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Effect test

Embodiment 1

[0022] The implementation sample site is in the mangrove nature reserve of Qi'ao Island, Zhuhai, Guangdong, and the area of ​​Spartina alterniflora is about 300 square meters.

[0023] 1. Pre-experiment: choose the best light transmittance of the sunshade net

[0024] Shading experiment of Spartina alterniflora shading potted plants: 4 kinds of shading treatments were set up with black plastic sunshade nets with different light transmittance, and the light transmittances were 100% (no shade), 45%, 30% and 10%, respectively. The last three shading treatments are located in a shade shed formed by a 2.5m high iron frame covered with a black nylon net. Spartina alterniflora seedlings with a stem length of about 10 cm were planted under four different light conditions, and the cultivation substrate was sea mud from Qi’ao Island, Zhuhai. After half a year of shading, the growth of Spartina alterniflora under each treatment was compared, and the results were It shows that the sunsha...

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Abstract

The invention discloses a biological-physical control method for spartina alterniflora. The method comprises the following steps: a, a physical covering stage: covering and fixing a plastic shading net on a mud flat on which the spartina alterniflora grows, and entering the next stage after the growth of the spartina alterniflora is suppressed and the above-ground biomass is reduced by more than 45 percent; b, a biological substitute stage: planting pagatpats, kandelia candel, Tung blossoms, Acanthus ilicifolius and acrostichum aureum seedlings in holes in the plastic shading net, and blocking the mud flat for maintenance. On the basis of the physical coverage measure, a biological substitute technology is introduced, long-time and effective comprehensive treatment on the spartina alterniflora is realized; the biological-physical control method has the advantages of easiness in operation and low cost; meanwhile, the real aim of 'grass cultivation and forest planting' can be fulfilled.

Description

technical field [0001] The invention belongs to the technical field of ecological environment protection, and in particular relates to a bio-physical control method of Spartina alterniflora. Background technique [0002] Spartina alterniflora Loisel is a perennial herb of the genus Spartina alterniflora. Since the introduction in my country in 1979, the growth, spread and spread have caused great damage to the coastal and national agriculture, animal husbandry and fishery industries and the ecological environment of coastal mangroves (Wang Qing et al., 2006). Spartina alterniflora is recognized as one of the exotic weeds in the world, and it has also been included in the list of the first 16 invasive alien species in my country, and its spreading trend is monitored (Chinese Academy of Sciences and State Environmental Protection Administration, 2003). At present, the control of Spartina alterniflora at home and abroad mainly includes physical control, chemical control, biolo...

Claims

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Application Information

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IPC IPC(8): A01G13/02A01M99/00
CPCA01G13/0268A01M99/00
Inventor 沈浩李婷黄立新
Owner SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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