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马铃薯晚疫病在世界各地马铃薯产区都有发生,在中国西南地区较为严重,东北、华北与西北多雨潮湿的年份为害也相对较重,1950年大流行,这些地区损失30%~50%。19世纪40年代爱尔兰马铃薯大量死亡,减产高达50%,使100多万人饿死,200万人移居海外。今年5月中旬,在重庆召开全国马铃薯晚疫病预警防控技术培训会,以此提高对马铃薯晚疫病的重视,并通过现代化预警防控技术来防治马铃薯晚疫病,促进马铃薯产业的健康发展。
Late blight of potato occurs in all potato producing areas around the world, and is more severe in southwest China. In the rainy and humid years of northeast, north and northwest, the relative damage is also relatively heavy. In the 1950 pandemic, these areas lost 30% to 50%. Large quantities of potato were killed in Ireland in the 1840s, cutting output by as much as 50%, leaving more than 1 million people to starve and 2 million to emigrate. In mid-May of this year, the national potato late blight prevention and control training was held in Chongqing in order to raise the awareness of potato late blight and prevent and cure potato late blight through modern early-warning prevention and control technology so as to promote the healthy development of the potato industry.