2013年顺昌县水稻褐飞虱大发生特点及防治对策

摘要

2013年顺昌县晚稻褐飞虱大发生，其特点表现为迁入期提早、迁入量大、迁入后繁殖快，加之“盛夏不热，晚秋不凉”和稻作食料适宜，造成大发生为害。防治对策应是加强监测预警，选择高效对口农药和实施统防统治。%Brown planthopper in late rice at Shunchang county in 2013 appeared a big occurrence. It was characterized by earlier immigrating period, more immigration rate, and faster propagation after immigration, which resulted in great damage because of coupling with the “mid-summer is not hot, late-autumn is not cold” and suitable rice food. The control countermeasures should be to strengthen monitoring and early warning, choose high-efficient pesticides and implement unified control method.