abscission layer

基本解释

Another chemical in leaves, auxin, controls a special band of cells at the base of each leaf stem, called the abscission layer.
叶子中另外一种化学元素，生长素，控制着每片叶茎低端处一组特殊的细胞，叫隔离层。
For conifers which do not form an abscission layer at the base of the cone, shakers have been partially or completely unsuccessful .
对于球果基部不能形成脱离层的针叶树，摇树机的作用不大，或者完全不起作用。
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The roof abscission layer is the biggest security hidden danger in bolting support tunnel.
顶板离层是锚杆支护巷道最大的安全隐患之一。

a layer of parenchyma cells that is formed at the bases of fruits, flowers, and leaves before abscission. As the parenchyma disintegrates, the organ becomes separated from the plant