大叶樟(油樟)生长快、材质好,树冠美,是珍贵树种之一。 (一)采种:选择健壮,主干明显通直,分枝较高,树冠发达,无病虫害,结实的20年生以上的母树,在9一10月,果皮由青变紫转变为黄色时,即采取击落或上树摘取的方法收集核果,并随采随处理。方法是:将鲜果浸水2—3天,去果皮,再拌草木灰脱脂12—24小时,掏洗 Large camphor (Campanulaceae) grow fast, good material, the United States canopy is one of the precious species. (A) seed: choose robust, trunk obvious straight, higher branches, developed crown, no pests, strong 20-year-old female tree, in September-October, when the peel from blue to purple into yellow, that is taken Shoot down or pick the tree method to collect drupes, and with mining mining. The method is: the fresh fruit soaked 2-3 days, to the peel, then mix ash 12-24 hours, dig wash