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香蕉小茎尖培养中芽产生的细胞学观察
邹琦丽; 姚军; 林荣;
1.广西植物研究所;2.广西植物研究所 桂林 541006;3.桂林 541006
摘要:
报道6个香蕉品种的小茎尖离体繁殖无病苗中芽产生的细胞学观察。小茎尖在改良MS附加BA 3.0 mg/l的培养基上培养,5天后可以看见外植体基部膨大,10天后叶原基伸长、转绿,20天后长出叶子形成苗。20—30天左右,所形成苗的两侧表皮下的薄壁细胞转化为分生细胞,形成芽原基,继续分化形成芽,一般芽数为2—3个。
关键词:  香蕉  茎尖培养  细胞学观察  芽形成  
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