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Chloroplast DNA (cpDNA) diversity has been examined using PCR-RFLP and RFLP strategies for phylogenetic studies in the genus Phaseolus. Twenty-two species, including 4 of the 5 cultivated species (P. lunatus L., the Lima bean; P. vulgaris L., the common bean; P. coccineus L., the runner bean and ...


Fofana, B.Baudoin, Jean-PierreVekemans, XDebouck, Daniel G.Jardin, Paul du[Molecular evidence for an Andean origin and a secondary gene pool for the lima bean (Phaseolus lunatus L.) using chloroplast DNA]Molecular evidence for an Andean origin and a secondary gene pool for the lima bean (Phaseolus lunatus L.) using chloroplast DNA
Blas, R.Ghislain, M.Herrera, M.R.Baudoin, Jean-Pierre[Genetic diversity analysis of wild Arracacia species according to morphological and molecular markers.]Genetic diversity analysis of wild Arracacia species according to morphological and molecular markers.
Schmit, VéroniqueJardin, Paul duBaudoin, Jean-PierreDebouck, Daniel G.[Diversity studies of some Phaseolus taxa using chloroplast DNA as a molecular marker]Diversity studies of some Phaseolus taxa using chloroplast DNA as a molecular marker

Seed multiplication, agronomic evaluation, and identification of parental genotypes for interspecific hybridization with Phaseolus vulgaris constitute the main research activities carried out in the P. coccineus collection (around 1600 accessions) held by CIAT. In 1985, 3 Ascochyta screening tria...


Schmit, VéroniqueBaudoin, Jean-Pierre[Evaluations for Ascochyta resistance in Phaseolus coccineus germplasm collection at C.I.A.T. (Centro International de Agricultura Tropical, Cali, Colombia)]Evaluations for Ascochyta resistance in Phaseolus coccineus germplasm collection at C.I.A.T. (Centro International de Agricultura Tropical, Cali, Colombia)

Pythium root rot constitutes a highly damaging constraint on the common bean, Phaseolus vulgaris L., grown in several areas of Eastern and Central Africa. Here, this food legume is cultivated intensively under poor conditions of crop rotation due to the exiguity of the land in the region. Yield l...


Nzungize, JGepts, Paul L.Buruchara, Robin A.Buah, S.S.J.Ragama, P.E.Busogoro, J.P.Baudoin, Jean-Pierre[Pathogenic and molecular characterization of Pythium species inducing root rot symptoms of common bean in Rwanda]Pathogenic and molecular characterization of Pythium species inducing root rot symptoms of common bean in Rwanda

The genetic variable of seven Phaseolus taxa has been evaluated on the basis of molecular data and the results have used to clarify the phyletic relationships between several taxa of the P. coccineus L. complex. Chloroplast DNA (cpDNA) from 33 populations was digested with six restriction endonuc...


Schmit, VéroniqueJardin, Paul duBaudoin, Jean-PierreDebouck, Daniel G.[Use of chloroplast DNA polymorphisms for the phylogenetic study of seven Phaseolus taxa including P. vulgaris and P. coccineus]Use of chloroplast DNA polymorphisms for the phylogenetic study of seven Phaseolus taxa including P. vulgaris and P. coccineus

Seed increase of the 1300 accessions from both the cultivated subspecies (coccineus and polyanthus) and the wild forms of Phaseolus coccineus is being carried out at 2 locations of Colombia. In Popayan (1700 m alt., 18 degrees Celsius mean temp., and 2000 mm annual rainfall), 12 plants of each ac...


Schmit, VéroniqueBaudoin, Jean-Pierre[Seed multiplication and preliminary evaluations of Phaseolus coccineus germplasm collection at C.I.A.T. (Centro Internacional de Agricultura Tropical, Cali, Colombia)]Seed multiplication and preliminary evaluations of Phaseolus coccineus germplasm collection at C.I.A.T. (Centro Internacional de Agricultura Tropical, Cali, Colombia)

The wild, red-flowered Phaseolus glabellus is generally considered either as a species of the P. coccineus complex or as a subspecies of P. coccineus. Biogeographic considerations as well as experimental hybridization, seed storage protein electrophoresis and cpDNA polymorphism point at its isola...


Schmit, VéroniqueDebouck, Daniel G.Baudoin, Jean-Pierre[Biogeographical and molecular observations on Phaseolus glabellus (Fabaceae, Phaseolinae) and its taxonomic status]Biogeographical and molecular observations on Phaseolus glabellus (Fabaceae, Phaseolinae) and its taxonomic status
Nzungize, JGepts, Paul L.Buruchara, Robin A.Male, A.Ragama, P.E.Busogoro, J.P.Baudoin, Jean-Pierre[Introgression of Pythium root rot resistance gene into Rwandan susceptible common bean cultivars]Introgression of Pythium root rot resistance gene into Rwandan susceptible common bean cultivars

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