Seedlings from 20 families representing 9 species of ornamental Eucalyptus were established at 3 experimental field sites .At age two -year these trials were analyzed for growth and survival - including caus-es of mortality -and this provided the basis for evaluating families and species on their ornamental value . The species with acceptable survival and growth were then further investigated in a second assessment , with traits being analyzed , in order to provide a scientific basis for introduction of ornamental Eucalyptus in future .% 通过育苗与栽种，对9种20个家系的观赏性桉树在3个试验地进行引种试验，经过调查，分析栽种2年来的生长情况，总结引种桉树成活率不高的原因，初步筛选出具观赏价值的树种，进行第2次调查，分析其性状，为今后观赏桉树的继续引种提供依据。
展开▼
