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手机尾号为1246的用户问:近几年,马铃薯疮痂病发生严重,如何防治?专家解答:疮痂病是一种严重的块茎病害,茎叶没有任何症状。该病的主要危害是降低块茎质量。疮痂病有两种,即普通疮痂病和酸性疮痂病。防治措施。生产中对疮痂病主要也是采用综合措施来防治。①实行3~4年轮作。苜蓿、大麦、大豆等是较好的轮作作物。不能与块根类作物轮作。②增施酸性肥料。如硫
Mobile phone tail number 1246 users Q: In recent years, potato scab disease serious, how to control? Expert Answers: Scab disease is a serious tuber disease, stem and leaves without any symptoms. The main hazard of the disease is reducing tuber quality. There are two types of scabs, common scabs and acid scabs. Prevention. The production of scab disease is also a comprehensive approach to prevention and treatment. ① implementation of 3 to 4 years rotation. Alfalfa, barley, soybeans and other crops are better crops. Can not crop rotation with roots. ② increase the acid fertilizer. Such as sulfur