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一环腐病是毁灭性很大的病害。1952年在黑龙江省的男爵和多籽白,品种上开始发现,随着大规模的北薯南调,现已成为全国性的病害。几年来,由于我省采取了全面防治措施,已使环腐病基本得到控制,产量不断提高。如以1972年与1969年相比较,全省面积增加5.8％,总产增长83.3％,平均单产将近翻了一番。但是最近一两年,随着新品种的推广、普及,由于检疫制度不够健全和忽视必要的防治措施,以致病害又有回升。据1974年对部分社队的调查,高原1、2、4、
A rot is a devastating disease. In 1952 in Heilongjiang Province Baron and more seeds white, began to discover varieties, with the large-scale north of potato transfer, has now become a national disease. Over the past few years, due to the comprehensive prevention and control measures taken in our province, the control of ring rot has been basically achieved and the output has been continuously raised. As compared with 1969 in 1972, the area of the province increased by 5.8% and the total output increased by 83.3%. The average yield nearly doubled. However, with the promotion and popularization of new varieties in the past year or two, the disease recovered again due to the imperfect quarantine system and neglect of the necessary prevention and control measures. According to a survey of some of the communes and brigades in 1974, the plateaus 1, 2, 4,