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As to prepare future germplasm explorations for Phaseolus in Peru and Argentina, a desk study was undertaken in the most important herbariums of Peru and Argentina. Plant identifications were made and data about phenology and distribution were recorded. Then a germplasm exploration was carried ou...
A germplasm exploration has been carried out in departments of Cochabamba, Chuquisaca and Tarija in southern Bolivia, for native species of the genera Capsicum and Phaseolus. Germplasm hs been found for the following species: C. annuum (1), C. baccatum (6), C. chaoense (3), C. eximium (2), P. aug...
The concept of plant genetic variability is studied as well as how it should be treated and presented to the researcher, especially in the management of bean genetic resources. Given the spread of some crops such as soybeans and pods, searching for variability in the available genetic resources f...
The morphological and agronomic aspects of the species Phaseolus vulgaris, Phaseolus lunatus, Phaseolus coccineus subesp. coccineus and Phaseolus acutifolius var. latifolius are described and the general characters of wild species are also presented. A list of wild species is included along with ...
Eighty-nine samples of Phaseolus germplasm were collected during a three-week exploration in the eastern slopes of the Bolivian Andes. Of particular interest are: 12 samples of lima bean, 4 samples of wild P. vulgaris and 64 samples of common bean landraces. Some problems related to the origin of...
The formation of centers of genetic diversity of Phaseolus spp. in different parts of the world is discussed. Botanical, archeological and ethnobotanical arguments are given to support the statement that the primary center of origin was in the Americas, with 2 subcenters or centers of diversity (...
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