据全国农业技术推广服务中心通报,华南、西南、江南中稻和东北单季稻处于齐穗至灌浆乳熟期,华南、江南、长江中下游晚稻处于分蘖至拔节期,江淮单季晚稻处于拔节至孕穗期。稻飞虱短翅型成虫在华南、江南、长江中下游晚稻区田间虫量增长较快,重发威胁大;稻纵卷叶螟在江南、长江中下游晚稻区世代重叠严重,呈加重发生态势;稻瘟病在西南局部、华南、江南晚稻区扩展 According to the National Agricultural Technology Extension Service Center, southern China, southwest China, southern Jiangsu and northeast single cropping rice are in full heading to filling milk stage, while southern China, southern Yangtze River and mid-lower reaches of the Yangtze River are in tillering to jointing stage, and Jianghuai single season late rice is in jointing to booting stage . The short-winged adults of planthopper larvae grew rapidly in the fields of southern, southern and late rice in the middle and lower reaches of the Yangtze River and the threat of recurrence was greater. The rice leaf roller larvae overlapped heavily in the generation of late rice in the middle and lower reaches of the Yangtze River, The rice blast expanded in southwestern part, southern China and southern Jiangsu