北美乔柏、北美香柏、美国扁柏及其5个变型在昆明的引种试验初报

通过对引种于昆明树木园的北美乔柏、北美香柏、美国扁柏等3个树种,以及美国扁柏的银色扁柏、金色扁柏、垂枝兰花扁柏、塔形扁柏、凯旋扁柏等5个变异类型的苗期及种植21年林木生长状况的分析比较,发现上述各引种树种及变型林木的生长整体正常,在引种地表现出适应能力较强,利用价值较高的状态,可作为昆明地区优美的绿化造林树种及用材林树种,且值得在条件相似的地区推广种植。

A Preliminary Report on Introduction Experiments of Thuja plicta, Thuja occidentalia, Chamaecyparis lausoniana and Its Five Forms in Kunming

The growth of seedling stage and 21 years old trees of Thuja plicata,T.occidentalia,Chamaecyparis lawsoniana and five forms of Chamaecyparis lawsoniana introduced and cultivated in Kunming arboretum were studied.It was found that all the studied species or forms showed promising adaptability to natural conditions of Kunming arboretum.These valuable tree species could be used as reforestation species and timber use species,it was suggested to develop planting in similar areas.