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今年7月,科技人员在对甘薯生产检查时发现,由于受到温度、湿度等方面的影响,北京地区小面积发生甘薯根腐病,田间表现的症状较严重。甘薯根腐病又称烂根病或烂根开花病,属于甘薯的3大病害之一。近几年主要发生在华北、华东等甘薯主产区。对甘薯产量和品质影响的较大,可造成减产
In July this year, science and technology personnel in the sweet potato production inspection found that due to temperature, humidity and other aspects of the small area of sweet potato root rot occurred in Beijing, the field performance of the more serious symptoms. Sweet potato root rot, also known as rotten root rot or flowering disease, is one of the three major diseases of sweet potato. In recent years, mainly occurred in North China, East China and other sweet potato producing areas. The greater impact on the yield and quality of sweet potato, can lead to reduced production