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KMID : 0903619880290010020
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Journal of the Korean Society for Horticultural Science
1988 Volume.29 No. 1 p.20 ~ p.29
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Interspecific Relationships Based on Morphological Characters and Seed Protein Patterns in Several Rhododendron Species
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Abstract
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The interspecific affinity relationships based on the results of numerical taxonomy of 17 Rhododendron accessions-three Korean native species, one Japanese species and one unidentified group-had been studied. Dendrogram based on 35 morphological characters showed 5 groups agreed with previous conventional taxonomic system.
In this dendrogram, two of the unidentified species (u1 and u2) were included in R. yedoense var. poukhanense group, the rest of the unidentified species (u3 and u4) were separated as an independent group having the closest affinity relationship with the group of R, yedoense var. poukhanense. The group of R. schlippenbachii had relatively close affinity relationship with the group of R. yedoense var. poukhanense. The group of R. japonicum (Japanese species) showed the furthest affinity relationships with the other groups.
Seed protein analysis by SDS-polyacrylamide gel electrophoresis resulted in considerably high similarity among species. Band profiles of each accessions had 7 common basic bands. Dendrogram resulted from numerical analysis of seed protein showed 5 groups; however, there were a little differences compared with the results based on morphological characters.
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KEYWORD
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