Adventitious roots inGlycine subg.Glycine (Leguminosae): Morphological and taxonomic indicators of the B genome |
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Authors: | S H Costanza T Hymowitz |
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Institution: | (1) Department of Agronomy, College of Agriculture, University of Illinois, AE 120 Turner Hall, 1102 South Goodwin Avenue, 61801 Urbana, IL, USA |
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Abstract: | Adventitious roots were observed on 3 wild perennialGlycine species, in short-poddedG. clandestina, G. latifolia and mostG. tabacina (2x, 4x, 6x), while other species lacked adventitious roots. This suggests that the adventitious roots trait is associated with B genome species. Intra- and interspecific F1 hybrids reveal that adventitious roots apparently are inherited recessively. The presence of adventitious roots or short-poddedG. clandestina, coupled with infertility with longer-poddedG. clandestina, and enzymatic and leaflet morphology differences between the twoG. clandestina subgroups, supports segregation of the short-podded form as a separate taxon. |
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Keywords: | Angiosperms Leguminosae Glycine spp Genome adventitious roots pod taxonomy |
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