The reduction of GA3 was more than that of IAA.The endogeneous ZT contents in leaf blade and sheath and endogeneous ABA content in the whole plant increased.

 
  • ZT含量则是地上部提高,根中下降,ABA含量提高,植株各器官中(IAA+GA 3)/ABA比值均下降,IAA/GA3比值均升高,IAA/ZT 和GA3/ZT比值则是地上部降低,根中升高。
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