The relationship between dormancy and endogenous hormone inside buds scales and leaf primordium was studied in order to explore the mechanism of winter buds' dormancy in Platanus acerifolia.
为了探讨悬铃木冬芽休眠的机理，研究了悬铃木冬芽休眠过程中芽鳞及叶原基的内源激素变化与休眠的关系。
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JA content in the leaves and the flower buds in male-sterile line was lower than its normal variety, as endogenous pollen bourgeon regulator, JA might restrain the bourgeon of pollen.