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The International Bean Rust Nursery (IBRN) is in charge of testing promising Phaseolus vulgaris cv. and lines for their resistacne to rust (Uromyces phaseoli). In 1975-76 132 bean lines were tested, among which there were 28 potential rust-race differentials. In 1977-78, 26 trials were planted wi...
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 (...
Activities carried out by the Instituto Colombiano Agropecuario (ICA)-CIAT collaborative project on beans for cold climates in ICA`s regional center in Obonuco and in the dept. of Narino (Colombia) are reported. On the exptl. farm, 6233 materials were evaluated in bush bean trials, of which 103 w...
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