当前海南省大部分晚稻处于返青分蘖期,东北部稻区早播晚稻处于分蘖期至孕穗期,两迁害虫(稻飞虱、稻纵卷叶螟)得到一定控制,重发区(琼海、定安)发生程度有所减轻。稻叶瘟和水稻细菌性条斑病在部分地区开始发生。一、主要病虫害发生情况和发生趋势1.稻飞虱。总体中等发生,局部偏重发生。当前发生面积 At present, most of the late rice in Hainan Province is in the turning-back tillering stage, the early-sowing late rice in the northeast rice region is at the tillering stage to the booting stage, and the two pests (Nilaparvata lugens and the rice leafroller) Dingan) to reduce the extent of occurrence. Rice leaf blast and rice bacterial leaf streak began in some areas. First, the main pests and diseases and the occurrence of the trend 1. Planthopper. Overall moderate occurred, partial emphasis occurred. The current area