昭平县2007年稻飞虱大发生特点、成因及防治对策  

The big-occurrence features,reasons and control countermeasures for rice planthopper at Zhaoping County in 2007

作　　者：李建清 左伯荣 

机构地区：[1]昭平县病虫测报站,广西贺州市546800

出　　处：《广西农学报》2008年第6期52-55,共4页Journal of Guangxi Agriculture

基　　金：广西全区水稻病虫害防治项目(桂农业办发[2006年]78号)

摘　　要：稻飞虱是水稻生产上的主要害虫之一,近年来发生程度具有日趋严重的趋势,对粮食生产造成较大的威胁。2007年由于受到虫源、气候等因素的影响,造成昭平县稻飞虱大发生,迁入时间早、迁入虫量多,发生面积大、田间虫口密度高,为近年来所少见。分析其大发生的特点、原因,并提出几点防治对策,为今后的测报和防治提供依据和参考。Rice planthopper is one of the major pests in production, which has the tendency of big-occurrence in recent years and endangers grain production greatly. In 2007, influenced by the insect source and weather, a big-occurrence office planthopper is seen at Zhaoping County. This paper has analyzed the big-occurrence features and reasons, put forward some control countermeasures, which provide data for future forecasting and control.

关 键 词：稻飞虱 发生特点 原因分析 防治对策 

分 类 号：S435.112.3[农业科学—农业昆虫与害虫防治]