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The Chloroplast Pigments of Certain Soybean Mutants

Frederick T. Wolf
Bulletin of the Torrey Botanical Club
Vol. 90, No. 2 (Mar. - Apr., 1963), pp. 139-143
Published by: Torrey Botanical Society
DOI: 10.2307/2483012
Stable URL: http://www.jstor.org/stable/2483012
Page Count: 5
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The Chloroplast Pigments of Certain Soybean Mutants
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Abstract

A soybean mutant, when crossed with a normal plant, gives rise to an F2 progeny in which segregation occurs to produce yellow, light green, and dark green plants in a 1:2:1 ratio. The chloroplast pigment content of these plants has been examined. These three types of plants differ in total chlorophyll content and in chlorophyll a/chlorophyll b ratio. The total chlorophyll content and xanthophyll content of the dark green plants are approximately double those of light green plants, but this is not true of the carotenes. The yellow plants are characterized by a higher carotenoid/chlorophyll ratio and a lower carotene/xanthopyll ratio than the other types

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