From 4 d before full bloom (Bre)to 1 d after full bloom (AFB), the contents of both GAs and Z, in the ovary of 5-flower inflorescence were higher than tha of 4-flower inflorescence.

• 开花后，后者GAs仍然低于前者，但Z浓度、Z/GAs比值则迅速增加并明显高于前者。