锌对棚栽香椿内源激素及休眠解除的影响

Effects of Znic on Endogenous Hormones and Dormant Period in Chinese Toon Which Cultured in Plastic Green House

测定了不同锌处理香椿芽中2种形态脱落酸（ABA）、吲哚乙酸（IAA）和赤霉素（GA）的含量。锌处理极显著地改变了棚栽香椿的内源激素含量，促使自由态ABA（fABA）和结合态ABA（cABA）相互转化，促进IAA、GA含量增加，从而有效地打破了棚栽香椿的休眠。

By spraying with various concentration znic, the endogenous hormones in chinese. toon changed evidently. The alternate transformation of free AN (fABA) and c0njuct ABA (cABA ) was accelerated. The amount of indole-3-acetic (IAA ) & gibberellin 1, 3, 4, 7 (GA )increased-And the changes promoted the break of dormancy during wlnter in plastic green house.