本报讯受降水偏多等因素影响,今年东北地区稻瘟病见病早、蔓延快,呈偏重流行趋势,对水稻生产构成较大威胁。据全国农作物病虫测报网监测,7月下旬至8月上旬,正值东北地区水稻孕穗、抽穗期,是穗颈瘟高发危害期,也是病虫防治的关键时期。为了督促指导东北水稻主产区及时落实各项防控措施,农业部近日派出3个专家组,分 By the influence of heavy rainfall and other factors, the blast disease in the northeast of China hit an early stage and spread rapidly this year, leaving prevalent trends that pose a greater threat to rice production. According to the National Crop Pest and Disease Report Network monitoring, from late July to early August, when the booting and heading date of rice in Northeast China is the high-risk period of panicle blast, and also a key period for pest control. In order to supervise and guide the northeast paddy rice producing areas in time to implement various prevention and control measures, the Ministry of Agriculture recently sent three expert groups, points