ON CHLOROPHYLL TURNOVER IN MONOCOTYLEDONS AND DICOTYLEDONS

1 February 1963

journal article
Published by Canadian Science Publishing in Canadian Journal of Botany

Vol. 41 (2) , 221-226
https://doi.org/10.1139/b63-019

Abstract

Sodium acetate-1-C¹⁴ or (in one case) succinic-2,3-C¹⁴ acid was fed to both immature and mature leaves of four monocotyledons (lily, oats, philodendron, and tradescantia), three dicotyledons (red clover, petunia, geranium), a gymnosperm (spruce), and a pteridophyte (Boston fern). These experiments have indicated that chlorophyll synthesis and thus chlorophyll turnover in the mature leaves of the monocotyledons is very slow or non-existent. On the other hand, considerable amounts of C¹⁴ were incorporated into the dihydroporphyrins isolated from the mature leaves of the dicotyledons, the gymnosperm, and the pteridophyte.

Keywords

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