笔者从全国农业技术推广服务中心获悉,4月23日,该中心组织召开南方春播马铃薯晚疫病发生趋势网络会商会。南方马铃薯主产区的7个省(市)测报技术人员根据马铃薯品种抗性、菌原、气候条件等因素综合分析,预计今年南方春播马铃薯晚疫病总体偏重发生,西南局部地区大发生风险高。一、发生趋势今年南方春播马铃薯主栽品种抗病性较差,马铃薯晚疫病田间菌原量大,气候条件较为有利,预计马铃薯晚 The author learned from the National Agricultural Technology Extension Service Center that on April 23, the center organized a network meeting of the Southern Spring Potato Late Blight Disease Trend Network. According to the comprehensive analysis of the resistance of potato varieties, bacteria, climatic conditions and other factors, the forecasting technicians of the seven provinces in the southern main potato producing area are expected to suffer from this year’s overall outbreak of spring potato-borne late blight and high risk of large-scale occurrence in some areas in southwest China. First, the occurrence of the trend Spring this year, the main varieties of spring potato less resistant to disease, potato late blight in the field of large amount of bacteria, climate conditions are more favorable, is expected late potato