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多效唑对猕猴桃离体试管苗生长及内源激素的影响
Effects of Paclobutrazol (PP333) on Endogenous Hormones and Growth in Kiwi Plantlets in Vitro
【摘要】 多效唑(PP(333))处理猕猴桃试管苗,降低了其生长强度;植株体内的GA3、IAA和ZT含量下降,ABA的含量上升,乙烯释放率增加;并且能降低外源的GA3和IAA促进生长的作用,而外源的GA3和IAA又能不同程度地逆转多效唑的抑制作用,使植株恢复生长。
【Abstract】 The growth potential of kiwi (Actinidia deliciosa C. F. Liang et. A. R. Ferguson, cv.Qinmei) plantlets in vitro treated with PP(333) was decreased. The content of endogenous GA3, IAA, zeatin and ethylene production in the treated plantlets decreased but that of ABA increased. If exogenous GA3 or IAA was added in the medium containing PP(333), the inhibiting effects of PP(333) would be reduced and the growth rate increased to various degrees.
【关键词】 多效唑;
猕猴桃;
赤霉素;
吲哚乙酸;
玉米素;
脱落酸;
乙烯;
【Key words】 Paclobutrazol; Kiwi; GA; IAA; Zeatin; ABA; Ethylene;
【Key words】 Paclobutrazol; Kiwi; GA; IAA; Zeatin; ABA; Ethylene;
【基金】 高等学校博士学科点专项科研基金
- 【文献出处】 园艺学报 , 编辑部邮箱 ,1994年01期
- 【分类号】S663.901
- 【被引频次】88
- 【下载频次】200