Further evidence on the origin of the cultivated winged bean,Psophocarpus tetragonolobus (L.) DC. (Fabaceae): Chromosome numbers and the presence of a host-specific fungus |
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| Authors: | Daniel K. Harder Joseph Smartt |
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| Affiliation: | 1. Missouri Botanical Garden, P.O. Box 299, 63166-0299, St. Louis, MO
2. Department of Biology, School of Biological Sciences, Medical and Biological Sciences Building, Bassett Crescent East, SO9 5NH, Southampton, UK
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| Abstract: | Further evidence on the origin of the cultivated winged bean (Psophocarpus tetragonolobus (L.) DC.) is presented. Recent evidence concerning chromosome numbers of previously unavailable species in the genus and observational evidence of false rust (Synchytrium psophocarpi (Rac.) Gäumann) onP. grandiflorus Wilczek in Zaïre is discussed. Consideration includes previously published studies on morphology and cytology to support an African center of origin and points toP. grandiflorus as the progenitor species of the cultivated winged bean. |
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| Keywords: | false rust Psophocarpus winged bean origin |
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