杉木分布广、生长速度快、产量高、干形直、材质优、用途广、价值高,是我市最重要的造林树种和商品材种。1985～1990年部、省、县各种联营造杉木速生丰产林约41万亩,1991—1995年以杉木为主的国家项目造林31万亩。目前,我市杉木林面积270万亩以上,在商品材中,各县杉木占50%以上。所以,杉木在我市林业生产中占很重要的位置。杉木芽、梢枯死,在我市发生较普遍,轻 Cunninghamia lanceolata is widely distributed, fast growing, high yield, dry straight, excellent quality, wide use, high value, is the city’s most important afforestation species and commercial timber. Between 1985 and 1990, a total of 41 million mu of fast-growing and high-yielding Chinese fir forests were established in various provinces, counties and counties. In 1991-1995, a total area of ​​31 mu was afforestation of the national projects dominated by Chinese fir. At present, the area of ​​cedar forest in our city is more than 2.7 million mu, and among the commercial products, the cedar of each county accounts for over 50%. Therefore, fir in our city forestry production occupies a very important position. Fir buds, shoots die, occurred in our city more common, light