一、概述香椿(Toona Sinensis Roem.)是优良用材树种,生长迅速,树干通直,木材坚重而富弹性,耐腐,有“万年椿”之称。木材纹理直而美观,色泽褐黄至紫红。木材不翘,原木在干燥过程中易沿髓心附近纵向开裂,如及时制材可免此缺点,椿材是上等的家具和造船材料,也可作建筑、桥梁、农具等用。嫩芽(椿芽)芳香,如按嫩芽或叶总柄颜色可分为二个类型,贵州关岭群众称为红椿与白椿。红椿的叶总柄梢带红色,香味浓郁,白椿的叶总柄呈 First, an overview Toona Sinensis Roem. Is a good species of timber, rapid growth, straight trunk, wood is strong and flexible, decay resistant, “Wannian Chun” said. Straight and beautiful wood texture, color brown yellow to purple. Wood is not Alice, logs in the drying process along the pulp near the longitudinal cracking, such as timely material can be free of this shortcoming, Chun is the finest furniture and shipbuilding materials, but also for construction, bridges, farm tools and so on. Buds (Chunya) aroma, such as by bud or leaf total handle color can be divided into two types, Guizhou Guanling masses known as red toon and white toon. The total leaf tip of red toon with red, rich flavor, white Tsubaki leaves total handle was