摘要
雀麦(Bromus japonicus Thunb.)已成为北京市麦田的主要恶性杂草,危害蔓延逐年扩大。为便于基层技术人员识别该种杂草及时开展防治,对雀麦的形态特征、生物学特性、分布、危害进行了初步研究。
Brome （Bromus japonieus Thnnb.） has become the main fields of malignant the weeds and spread to widen. In order to facilitate grass-roots technical personnel to identify the weeds in the prevention and control of brome to open the form and biological characteristics, distribution, endanger a preliminary study.
关键词
雀麦
恶性杂草
生物学特性
brome
malignant weeds
biological characteristics
