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红松是我省的主要造林树种之一,生长快、材质好,同时种子含油率高,又是一种很好的木本油料树种。因此,颇受群众欢迎。解放后,广大贫下中农和林业职工,响应毛主席“绿化祖国”的伟大号召,营造了大面积的红松人工林。长势良好,有些已郁闭成林。但随着红松的扩大栽培,相继而来的毁灭性病害——红松疱锈病,亦迅速蔓延,严重的影响了红松的正常生长,重者整株枯死,给林业生产带来极大的威胁。为了摸清病害的发生情况,于一九七一年至一九七五年我所有关同志到发病严重的
Korean pine is one of the main afforestation species in our province, grow fast, good material, high seed oil rate, but also a good woody oil tree species. Therefore, popular among the masses. After the liberation, the broad masses of poor and middle-level peasants and forestry workers responded to Chairman Mao’s great call for “greening the motherland” and created a large area of Korean pine plantation. Good growth, some have closed forest. However, with the expansion of Korean pine cultivation, the successive devastating diseases - red blister rust, also spread rapidly and seriously affected the normal growth of Korean pine. In severe cases, the whole plant died and brought great forestry production Threats. In order to find out the incidence of the disease, from 1975 to 1975, all my comrades went to seriously ill