在自然休眠期的落叶期、初休眠期、深休眠期、休眠解除期等阶段对花芽内的生理生化变化作了测定。
In the experiment the physiological and biochemistry changes of flower buds were determined during defoliating period, dormancy initial period, deep dormancy period and the dormancy release period.
这些德克萨斯州枫树是在足够远的南部，它们的憔悴期迟于美国的许多其他地方的落叶乔木。
These Texas maples are far enough south that they peak much later than many other deciduous trees in the United States.
冬季干旱休眠期正常落叶。
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