摘要
本文研究了蓟马在我国苜蓿主要产区的分布和危害,以及呼和浩特地区危害苜蓿的蓟马种类组成和生长发育特点。指出蓟马危害可造成苜蓿产量大幅度下降,草质严重变劣。介绍了防治蓟马的农药筛选试验结果,强调培育抗虫品种是防止蓟马危害的根本措施。
The thrips distribution and impairment in our alfalfa main growing area were investigated. Because of the harm of thrips' to alfalfa, both production and quality decrease substantially. The species composition and growth development characters of thrips which endangers the alfalfa in huhhot were found. we introduced the results of sieving insecticides and emphasized the breeding of a thrips-resistant variety.
出处
《中国草地》
CSCD
1990年第3期65-66,64,共3页
Grassland of China
