abscission

UK:  [æb'sɪʒən]

US:  [æb'sɪʒən]

n.

1.切断

2.【医学】切除;【植物;植物学】脱离,(幼果)脱落

3.【修辞学】顿断法

1 . Born toxicity led to early abscission of the older leaves, reducing total photosynthesis leaf area, but did not influence SLA or LWR.
硼中毒导致成熟叶片过早脱落，使光合面积变小；过量供硼对比叶面积和叶重比没有影响。

2 . 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。

3 . Room competition resulted from plant density was the main reason leading to deadwood, withered leaves, bark abscission, deflection crown.
樟子松的栽植密度引起空间竞争是树木产生枯枝、枯叶，树皮剥离，树木偏冠的主要原因。

4 . Roof abscission layer monitoring is one of important part of integrated monitoring in the full-anchor support roadway tunneling process.
顶板离层监测是全锚支护巷道掘进过程中综合监测的重要内容。

5 . It was found that deficient or excessive soil moisture led to increase in abscission of squares and bolls and decrease in fiber quality.
研究发现，土壤水分不足或过大，均易造成蕾铃脱落增加和品质下降。