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空心莲子草Alternanthera philoxeroides Griseb属苋科莲子草属,其别名:空心苋、水花生、革命草等。为多年生的宿根性杂草,适应性广、繁殖生长迅速,常在鱼塘、农田沟渠、果园、菜园等部分水面和湿地生长,严重影响水产养殖、农作物生长和农田排灌。以往防除此草主要采取人工铲除方法,也有用除草剂,均不能根除此种草害,且施用除草剂污染环境,对鱼有害。
Alternanthera philoxeroides Alternaria is a genus of Amaranthus, its alias: amaranth, peanut, grass and other revolutions. It is a perennial perennial weed with wide adaptability and rapid multiplication and growth. It often grows in some ponds, farmland ditches, orchards, vegetable gardens and other surface waters and wetlands, seriously affecting aquaculture, crop growth and farmland irrigation and drainage. In the past, the main method of controlling and removing herbaceous grass was artificially eradication, and it was also useful as a herbicide. All such grass weeds could not be eradicated and herbicide was used to pollute the environment and be harmful to fish.