河北省邢台市麦田禾本科杂草发生情况调查

Investigation of Gramineae Weeds in Wheat Fields in Xingtai of Hebei Province

采用随机取点和倒置"W"取样相结合的方法,对河北省邢台市麦田禾本科杂草进行了调查。结果表明:邢台市麦田主要禾本科杂草为节节麦、日本看麦娘和雀麦。不同县优势杂草种类不同。邢台县以日本看麦娘为主,相对多度为102.5;隆尧县和南和县以日本看麦娘和节节麦为主,日本看麦娘的相对多度分别10.2和107.3,节节麦的相对多度分别为30.7和86.8;清河县以雀麦和节节麦为主,相对多度分别为33.6和16.3。

The gramineae weed in wheat fields in Xingtai was investigated by the method of random sampling and inverted W-sampling pattern. The result showed that the dominant weeds in Xingtai were Alopecurus japonicus Steud, Aegilops tauschii Coss and Bromus japonicus Thunb. The dominant species varied in different Counties. A. japonicus was the main gramineae weed in Xingtai County and its relative abundance was 102.5. A. japonicus and A. tauschii were dominant species in Nanhe and Longyao Counties. The relative abundance of A. japonicus was 10.2 and 107.3, and that of A. tauschii was 30.7 and 86.8, respectively. B. japonicus and A. tauschii were main gramineae weeds in Qinghe County and their relative abundance were 33.6 and 16.3.