水牛草及其传入风险分析

Risk assessment of noxious weed Cenchrus ciliaris L

水牛草是一种繁殖能力强,易于传播的有害杂草,一经定殖将会对本土生态环境和作物生产安全带来危害,造成生态和经济损失。本文通过对水牛草形态特征、生理特性、生长环境等方面进行描述,并以此为基础对其进入我国定殖的可能性、适生范围、传播特性和危害性等方面进行了风险分析,建议有关部门加强对水牛草的检疫防控工作,保护国家生态系统和农业安全。

Cenchrus ciliaris L.is a noxious weed with high-reproduction and easily spreading,which does great damage to ecological system and economy.This article describes its morphological character,ecology,and growth environment to analyze its possibility of entering China,the possible distribution,spreading ability and damage possibility,and makes a risk assessment based on these to suggest the related its departments strengthening the work of Cenchrus ciliaris L.quarantine,in order to protect the eco-system and agriculture security of our country.