Colombia and Venezuela 1992 wild potato (Solanum sect. Petota) germplasm collecting expedition: taxonomy and new germplasm resources |
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| Authors: | David M. Spooner Raúl Castillo T. Luis López J. Ramón Pineda Raúl León P. Alvaro Vargas Maria L. García John B. Bamberg |
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| Affiliation: | (1) Vegetable Crops Research Unit, USDA, Agricultural Research Service, Department of Horticulture, University of Wisconsin, 1575 Linden Drive, 53706-1590 Madison, Wisconsin, USA;(2) Apartado Aéreo 2497, Armenia;(3) Dept. Quindio, Colombia;(4) Tibaitatá Experimental Station, Instituto Colombiano Agropecuario (ICA), km. 14 via Mosquera, Apartado Aéreo 151123, El Dorado, Bogotá, Colombia;(5) Centro de Investigaciones Agropecuarias del Estado Mérida (CIAE-Mérida), Fondo Nacional de Investigaciones Agropecuarias (FONAIAP), Ave. Urdaneta, Edificio MAC, 5101 Mérida, Venezuela;(6) CIAE-Táchira, FONAIAP, 5029 Bramón, Estado Táchira, Venezuela;(7) Centro Nacional de Recursos Fitogenéticos, Ministerio del Ambiente y de los Recursos Naturales Renovables, El Limón, Estado de Aragua, Venezuela;(8) National Research Support Program-6 (NRSP-6), Vegetable Crops Research Unit, Agricultural Research Service, USDA, 4312 Hwy. 42, 54235-9620 Sturgeon Bay, WI, USA |
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| Abstract: | ![]()
Summary We conducted a joint Colombia/United States/Venezuela wild potato (Solanum sect. Petota Dumort.) germplasm collecting expedition in Colombia from June 27–August 24, and in Venezuela from August 17–September 15, 1992. The goals of the expedition were to collect germplasm and study the species boundaries of all of the 23 Colombian and Venezuelan taxa accepted by current taxonomists. We made 128 collections of 16 of these taxa, 96 as true seed collections. We collected the first available germplasm collections of S. cacetanum, S. cuatrecasasii, S. estradae, S. lobbianum, S. orocense, S. paramoense, and S. sucubunense, and obtained germplasm collections of S. neovalenzuelae and S. pamplonense as a germplasm exchange from the Colombian national germplasm collection. We had problems identifying some of our collections, and currently are investigating them for species status and interrelationships. We summarize the state of germplasm collections for Colombia and Venezuela, provide our field data regarding the taxonomy of Colombian and Venezuelan wild potatoes, and provide recommendations for future collecting. |
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| Keywords: | Colombia genebank germplasm Solanum sect. Petota taxonomy Venezuela |
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