马铃薯是我省主要粮食作物之一,也是群众的主要口粮,川山地区均有广泛种植,是营养丰富、增产潜力大的高产作物。近年来,由于马铃薯病害繁多,特别是病毒侵染而引起的种薯退化,严重影响和阻障了马铃薯生产的发展。种薯一旦被病毒感染,就会世代传递,逐代加重,结果造成产量下降、品质变劣。以往为了控制和减轻病毒病的为害,曾采用向高寒 Potato is one of the main grain crops in our province and also the main rations of the masses. Both are widely planted in the area of ​​Chuanshan and are high-yield crops with rich nutrition and large yield potential. In recent years, the potato degeneration caused by the multiplication of potato diseases, especially the virus infection, has seriously affected and hindered the development of potato production. Once the seed potato is infected by the virus, it will be passed from generation to generation, increasing from generation to generation, resulting in a decline in output and a deterioration in quality. In the past in order to control and reduce the damage caused by the virus, had used to cold