进一步较系统地研究了马铃薯癌肿病的生物学特性、宏观与微观危害特征及在我国的病害发展。对马铃薯块茎休眠芽癌肿病的早期(潜伏期)诊断、土壤休眠孢子囊及其活力测定等快速检测方法与技术进行了研究并取得预期结果。 Further more systematically studied the biological characteristics of potato disease, macroscopic and micro-hazard characteristics and disease development in our country. The rapid detection methods and techniques of early diagnosis of dormant bud cancer of potato tubers, dormancy sporangiocystis and their viability were studied and the expected results were obtained.