两系杂交中籼稻两优培九的病虫害发生规律及综合防治技术

通过对怀宁、潜山、太湖、宿松、望江、枞阳、岳西、桐城 8县及安庆市郊田间调查结果研究表明 :两优培九在安庆市作一季中稻栽培病虫害发生种类多、数量大 ;危害较重的主要是水稻二代螟、三代螟、稻纵卷叶螟、稻飞虱、水稻纹枯病、稻曲病、小球菌核病。综合防治措施上 ,以搞好健身栽培为基础 ,同时 ,及时采用安全、高效农药进行化学防治

The Occurrence Rule and its IPM Technique of the Diseases and Pests of Two-Line Hybrid Medium Indica Rice--Liangyou Peijiu

Base on the investigation results from eight counties (Huiling, Qianshan, Taihu, Susong, Wangjiang, Congyang, Yuexi, Tongcheng) and the suburbs of Anqing city. It was found that many species and number of diseases and pests occurred in the rice fields, cultivated with the medium indica rice Liangyou Peijiu. The main species that severely damaged rice plants were the rice stem borer, paddy borer, paddy leaf roller, planthopper and sheath blight of rice plant. In the measures of IPM, healthy cultivation was the basic measurement, meanwhile, the chemical control with safety, high efficiency and on time was very important too.