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前言自1956年在辽宁省草河口发现疱锈病以来,仅仅经过二十多年的时间,本病已在辽宁、吉林、黑龙江3省许多地方的红松原始林和人工林中蔓延起来,病区逐年扩大,病势渐趋加重,对红松人工林的成长,已成为极大的威协。 1977—1978年,本组对本病进行了研究,现将东北林学院与鸡东县林木病虫害防治站等各单位2年的研究结果,报道如下。
Preface Since blister rust was found in Caohe Estuary of Liaoning Province in 1956, it has spread in both the virgin and forested forests in many places in Liaoning, Jilin and Heilongjiang Provinces after just over 20 years. The ward Expand year by year, the disease gradually aggravate, the growth of Korean pine plantation, has become a great prestige. 1977-1978, the group conducted a study of the disease, now Northeast Forestry College and Jidong County Forest Disease Control Station and other units 2 years of research results are reported below.