通过2007年对玉渊潭公园6种早樱的调查发现，受到冻害的芽均为花芽，表现为芽死亡或发育不完全；冻害程度与早樱品种、树势以及发生冻害时所处的物候发育期有关。

By investigating 6 kinds of Cerasus subhirtella in Beijing Yuyunatan Park in 2007, it is discovered that all frozen injured buds are flower buds, which behave as death and incompletion development.

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