摘要
通过对2002年~2007年原州区苜蓿病虫害的监测,苜蓿害虫的种群数量和病害的病情指数逐年增加的趋势明显,病虫害对苜蓿的危害程度也在逐年加重,应加强对苜蓿病虫害预测预报工作的开展,重视苜蓿病虫害综合防治措施的实施.
By monitoring alfalfa pests from 2002 to 2007 in Yuanzhou County,aphids,thrips,meadow moth,plant bugs and weevils of alfalfa pests are found,and the alfalfa diseases mainly are leaf spot,rust,powdery mildew and root rot disease.Populations of alfalfa insect pests and diseases of the disease index are increasing year by year significantly,and the degree of pests and diseases damage to alfalfa is also increased.So the forecasting work of alfalfa pests and diseases should be strengthen,and the integrated control measures should be implemented.
出处
《宁夏师范学院学报》
2011年第3期60-64,共5页
Journal of Ningxia Normal University
关键词
苜蓿
病虫害
原州区
Alfalfa
Pests and diseases
Yuanzhou County
