全国早稻主要病虫害发生趋势预报

• 作 者: 郑庆伟
• 出 处: 农药市场信息
• 发表日期: 2016年14期
• 关键词: 早稻 发生趋势预报 稻纵卷叶螟 稻纹枯病 水稻栽培 发生趋势 水稻虫害 华南大部 稻瘟病 全国农技中心

近日,全国农技中心组织南方水稻主产省的测报技术人员和有关专家在北京市召开了全国早稻主要病虫害发生趋势会商会。与会专家根据当前病虫发生基数、气候条件和水稻栽培情况等因素综合分析,预计今年早稻病虫害呈偏重以上发生态势,重于上年,发生面积3.19亿亩次。其中,虫害以稻飞虱、稻纵卷叶螟和二化螟为主,发生面积2.2亿亩次;病害以稻瘟病、稻纹枯病为主,发生面积9900万亩次。水稻虫害预计稻飞虱在华南大部、江南大部、西南南部稻区偏重以上

Recently, the National Agricultural Technology Center organizes the reporter and technologists of the major rice producing provinces in southern China and relevant experts to hold a conference on the trend of major pests and diseases in early rice in Beijing. According to the current pest occurrence base, climate conditions and the situation of rice cultivation and other factors comprehensive analysis, early this year, pests and diseases are expected to be more emphasis on the above trend, heavier than the previous year, an area of ​​319 million mu times. Among them, pests were mainly rice planthoppers, rice leafroller and rice stem borer, with an area of ​​220 million mu; diseases were mainly rice blast and rice sheath blight with an area of ​​99 million mu. Rice pest is expected to planthoppers in most of southern China, most of Jiangnan, southwest of rice more emphasis on