水稻稻瘟病水稻稻瘟病是宁夏自治区水稻上的主要病害,每年都有发生。据青铜峡农技推广中心调查,今年部分水稻田块在苗期发现苗瘟,但其他种稻区目前尚未发现水稻稻瘟病。稻飞虱该区最初虫源是从南方迁来,迁入高峰期在7月份,迁入的季节遇有雨日多、雨量大利其降落,迁入时易大发生 Rice Blast Rice Blast is a major disease on rice in Ningxia Autonomous Region and occurs annually. According to Qingtongxia Agricultural Technology Promotion Center survey, this year some of the rice fields found seedling blast in seedling stage, but the other kinds of rice has yet to find rice blast. Planthopper Origin of the area was originally relocated from the south, moved to the peak in July, moved into the season when there is more rain, rain, rainfall, its fall, easy to happen when moving in