Disastrous mechanisms and control strategies of alien invasive plants

Abstract

Abstract: Alien invasive plant is one that is introduced from original ecosystems to new ones by nature force or human activity,which endangers the new environment or native plant species.Among three alien invasive plants,Eupatorium adenophorum had spread from Mexico to Yunna Province of China through Burma by nature force,while Eichhornia crassipes was invited to China from Mexico as forage crop and Spartina angli was introduced to China from south coast of Great Britain used as plant to protect embankment or dam.The three alien invasive plants threatened the production and life of local people,seriously damaged the ecological systems,and affected the biodiversity.The disastrous mechanisms of the three alien invasive plants spreading rapidly in China were due to their strong reproductive ability,adaptation and resistance,along with strong competitive ability and the allelopathic characteristics or with specific organ per se,also with the resistance to barrenness and pollution and short of local competently competitive organisms or natural enemies.Implement action for integrated management of alien invasive plants is probably effective control strategies.

Key words: Locusta migratoria manilensis, Behavioral indices, Morphological indices

CLC Number:

S512

XU Zhenghao, WANG Yiping. Disastrous mechanisms and control strategies of alien invasive plants[J]. cje, 2004, (3): 124-127.

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