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银杉(Cathiaya argyophylla Chunet Kuang)是世界珍稀树种之一。目前仅在我国广西、四川、贵州、湖南相继发现。它的幸存具有十分重要的研究价值。因其材质坚硬、耐腐、树姿挺拔,既是理想的用材树种又是名贵的观赏树种。该树病害至今国内外尚无报导。我们于1980—1981年对我省南川金佛山、武隆大沙河的银杉进行了调查,现报道于后:一、癌肿病又名枝(干)枯病。19世纪曾毁掉大面积欧洲落叶松,后在日本、美国发生。1975年仅在我国伊春发现此病。症状:感病枝干长出白色菌膜,后扩
Cathiaya argyophylla Chunet Kuang is one of the rare species in the world. Currently only in our country Guangxi, Sichuan, Guizhou, Hunan have been found. Its survival has very important research value. Because of its hard material, decay resistance, Shuzhu tall and straight, both timber is an ideal species is valuable ornamental tree species. The tree disease has not been reported at home and abroad so far. We conducted a survey of the silver fir of Dafisha River in Jinchuan, Nantong, and Wulong from 1980 to 1981, and are now reported later: 1. The disease of the same disease is also known as a blight (dry). The 19th century destroyed a large area of European larches, after Japan, the United States. In 1975, the disease was found only in Yichun of our country. Symptoms: the stems grow white fungi, after expansion