大白杜鹃种子无菌萌发及幼苗生长条件研究  

Research on Seeds Aseptic Germination and Seedling Growth Condition of Rhododendron decorumFranch

作　　者：郑晟 邓赞[2] 张凌云[2] 

机构地区：[1]黔西国有林场,贵州黔西551500 [2]贵州师范大学地理与环境科学学院,贵州贵阳550001

出　　处：《北方园艺》2014年第11期77-80,共4页Northern Horticulture

基　　金：贵州省科学技术基金资助项目(黔科合J字LKS[2011]29号);国家科技支撑计划资助项目(2012BAD14B02-6)

摘　　要：以自然风干的多年生大白杜鹃种子为试材,采用双因子试验设计方法,研究了培养基和赤霉素浓度对种子萌发率以及幼苗生长的影响,以探讨大白杜鹃种子无菌萌发和幼苗生长的条件。结果表明:以1/2MS培养基,添加2.0mg/L GA,在25℃温度条件下,大白杜鹃种子无菌萌发率最高,达77%,且幼苗生长状况良好。In order to explore optimum conditions of seeds aseptic germination and seedling growth on Rhododendron decorum Franch,the double-factor design was adopted,the effect of gibberellin and medium on seed germination rate and seedling growth were studied. The results showed that medium dominated by 1/2MS modified with 2. 0 mg/L GA at 25℃ was the best conditions for aseptic germination and seeding growth of R. decorum Franch,the germination rate could reach 77%.

关 键 词：大白杜鹃 无菌萌发 幼苗生长 赤霉素 培养基 

分 类 号：S685.21[农业科学—观赏园艺]