Increasing and decreasing of stored starch are closely related to the periodicity of cambial activity.
淀粉储量的消长与形成层活动周期有很强的相关关系。
The variability of esterase isozyme activity in the vascular tissues was in consistent with the periodicity of cambial activity.
酯酶同工酶的酶谱和酶活性亦随形成层的活动状态发生变化。
Starch grains decreased progressively after cambial activity was resumed in early spring until they disappeared in all the stem tissues.
早春形成层恢复活动后，淀粉贮量逐渐减少直至消失。
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