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红皮云杉(Picea koraiensis N akai)是黑龙江省绥棱林业局的主要造林树种,该局地处小兴安岭西南坡、诺敏河两岸,属北温带气候。1985年7月在红皮云杉人工林中发现了毡枯病(Rosellinia herportrichioides Hepting et vavidson),发病面积600公顷以上,发病率为37.8～100%,感病指数为11.6～75.2,使大片云杉林树势衰弱,生长量大幅度下降,有的已经死亡,严重地威胁着云杉人工林的生长与成林。
Picea koraiensis N akai is the main afforestation species of Suailian Forestry Bureau in Heilongjiang Province. It is located in the southwestern slope of Xiaoxing’an Mountains and on both sides of the Nomin River. It belongs to the northern temperate climate. In July 1985, it was found that there was more than 600 hectares of infected Rosellinia herportrichioides Hepting et Vavidson in the spruce plantations, with the incidence of 37.8-100% and the susceptible index of 11.6-75.2. Cunninghamia lanceolata weakness, a substantial decline in growth, and some have died, a serious threat to the growth of spruce plantations and forest.