The effects of different concentrations of 2,4--D, NAA and KT on the callus formation and somatic embryogenesis of Cymbidium hybridum were investigated using an orthogonal design.

• 采用正交试验设计方法研究了3种激素2；4-D、萘乙酸(NAA)和激动素(KT)不同浓度对4个不同品种大花蕙兰茎段愈伤组织诱导和体胚发生频率的影响.