Enzyme-linked immunosorbent assay(ELISA) was adopted to determine the contents of endogenous ABA and GA_3 of maize embryos in their development and dehydration for studying their relationship with dehydration-tolerance formation of the embryos.The results illustrated that in the development of maize embryos,the ABA content of the embryos came to its highest point before the GA_3 content did and that its peak appeared on the twenty eighth days after pollination,which was later than the time when the water co...
植物激素是一类小分子活性物质,在种子生长、胚发育、贮藏物积累过程中具有重要的作用.ABA(ab iscisic acid)可以抑制早萌(也称胎萌)、诱导与贮藏物积累和脱水耐性获得有关的基因表达、抑制贮藏物的动员(reserve m ob ilization)、并能维持种子的休眠[1].例如玉米的ABA缺失突变
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