Thin-layer chromatographic analysis of flower color phenotypes in Dendranthema grandiflorum Ramatuelle inbreds and clonal cultivars |
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Authors: | Neil O Anderson Peter D Ascher Richard E Widmer |
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Institution: | (1) Department of Horticultural Science and Landscape Architecture, University of Minnesota, 55108 St. Paul, MN, USA |
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Abstract: | Summary Four glasshouse and 13 garden chrysanthemum cultivars or inbred seedlings from the color groups white, yellow, pink/purple, and orange/red/bronze were analyzed with thin-layer chromatography (TLC) for qualitative and quantitative pigment constituents. TLC confirmed the presence of eight carotenoids in yellow and bronze cultivars. Qualitative differences exised only for spots 5–8. Rf values for lutein matched those of spot 4. Flavonoid analysis of purples and bronzes revealed two anthocyanidins, one of which was cyanidin, one flavone, and two phenylpropanoids. White cultivars had four phenylpropanoids, two of which were caffeic and ferulic acids. In most cases, inbred and non-inbred cultivars within a given phenotypic class did not exhibit qualitative differences. Color analysis could be pursued at any level of inbreeding, but inheritance studies would be severely hampered using non-inbred genotypes of this hexaploid floricultural crop. |
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Keywords: | Dendranthema grandiflorum garden chrysanthemums glasshouse chrysanthemums Chrysanthemum morifolijm thin-layer chromatography flower color inheritance |
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