Abstract: The germination of seeds of 10 species of Cymbidium (native of Yunnan Province) was studied. The 10 species include cpiphytic, semi-epiphytic and terrestrial species. The sceds of epiphytic and semi-epiphytic species are easy to germinate and sensitive to hormone treatment. The combination of NAA and BA promotes the bud formation of the protocorms. Whereas the seeds of terrestrial species are difficult to germinate and must be treated first with some chemicals, such as 0.1 N NaOH or 1.5% H,O, or cut with a pair of scissors. Under the influence of hormone and seed treatment, the percentage of seed germination of certain terrcstrial species amounts to 40%.

Key words: effects, hormones, treatment, germination, condition

摘要： 研究了NAA和BA的配合使用以及种子处理对十种兰属植物种子萌发的影响。找到了使难萌发的地生兰种子较快萌发的方法，可使个别种的地生兰种子在三个月内萌发率达到百分之四十。讨沦了难萌发种子不易萌发的原因。

关键词: 无菌, 激素, 种子, 处理, 兰属, 萌发