| 单词 | leaf senescence |
| 释义 | > as lemmasleaf senescence leaf senescence n. ΚΠ 1940 Progress Rep. from Exper. Stations, Season 1938–9 (Empire Cotton Growing Corporation) 59 Numbers of plants shewing symptoms of premature leaf senescence were kept under observation. 1973 R. Maksymowych Anal. Leaf Devel. ii. xxiii. 99 Many physiological and biochemical changes are associated with leaf senescence. 2004 L. D. Nooden Plant Cell Death Processes x. 158 In the course of leaf senescence, nitrogen (protein) content in the leaf gradually decreases. < as lemmas |
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