水稻稻飞虱和纹枯病系统控制研究

SYSTEMATIC CONTROL STUDY ON RICE PLANTHOPPER AND SHEATH BLIGHT IN RICE FIELD

在系统分析历史资料、深入研究稻飞虱和纹枯病发生为害规律基础上,组建病虫测报模型,探讨控害丰产配套栽培技术及提高化防水平,定性定量地建立以准确的测报为前提,合理施肥、密植技术为主的生态控制为基础,按复合防治指标进行化学防治,系统控制稻飞虱、纹枯病,经近几年来的应用,收到显著的经济、生态及社会效益。

Models for forecasting the occurrence of rice planthoppers (Sogatella fur-cifera and Nilaparvata lugens)and sheath blight (Rhizoctonia solani)in rice field was constituted based on the systematic analysis of the historical data and the occurrence pattern of the planthopper and sheath blight. A set of high yielding techniques including pest control, proper cultivation techniques and improvement of the effect of chemical control was probed. A systematic control model for the controlling rice planthopper and sheath blight was built with presupposition on forecast,foundation on ecological control and main on chemical control. This model was extended in southeast Sichuan in the past years and obtained obvious effect.