论文部分内容阅读
据当前病虫发生情况、品种及栽培条件,结合天气预报和历史资料综合分析,预计晚稻中后期病虫发生中等偏重,主要发生的病虫:稻飞虱、稻纵卷叶螟、三化螟、纹枯病、稻瘟病和细菌性条斑病等。发生特点是:迁飞性害虫发生重,发生分布不平衡。此外,二化螟、大螟、粘虫、水稻跗线螨、稻叶蝉、稻蝽蟓、白叶枯病、稻曲病等在部分地区也有不同程度发生。
According to the current pest occurrence, varieties and cultivation conditions, combined with the weather forecast and historical data comprehensive analysis, the mid-late rice pest occurrence is expected to moderately heavier, the main occurrence of pests: rice planthopper, rice leaf roller, , Sheath blight, rice blast and bacterial leaf streak and so on. Occurred characteristics are: migratory pests occur weight, the occurrence of uneven distribution. In addition, Sesamia inferens, Sesamia inferens, Mythimna separata, Rice sting mites, rice leafhoppers, rice bugs, bacterial blight, rice false smut in some areas also have different degrees of occurrence.