The first sign that a plant is entering dormancy is that it stops growing.

植物进入休眠的第一个征兆是停止生长。

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Total Ca in needles was lower during fast growing seasons, especially the first fast growing season, and higher or highest during bud flush or pre-dormancy.

速生期杉木针叶全钙较低，尤其是第一个生长高峰期，初期和末期较高或最高。

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Peroxidase activity concentrated in the narrow lamellae of the long cell walls, where lignin mainly deposited, especially in the first relative dormancy period.

长细胞壁上的过氧化物酶活性主要集中在次生壁窄层中，以第一年相对休眠期酶活性最高。

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