senesce

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senesce

(sə-nĕs′)
intr.v. se·nesced, se·nescing, se·nesces
1. To grow old; age.
2. To stop dividing, as certain cells.
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References in periodicals archive ?
As a leaf senesces, there is an increase in the reflectance of visible radiation presumably due to the degradation of chlorophyll (Knipling, 1967).
In temperate conditions, photosynthetic activity in asparagus is maintained for approximately 4 mo from late spring to late summer and then all cladophyll tissue senesces within a few weeks in the fall.
torreyi, is suitable for resident populations, but senesces too soon to be used by immigrants from outcrops.