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Total seed protein variability in a sample of 163 entries of year-bean (Phaseolus polyanthus), including wild, feral and cultivated forms of the whole range of distribution in Latin America was studied using 1-dimensional SDS/PAGE and 2-dimensional IEF-SDS/PAGE. Ten different patterns were observ...


Schmit, VéroniqueDebouck, Daniel G.[Observations on the origin of Phaseolus polyanthus Greenman]Observations on the origin of Phaseolus polyanthus Greenman
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)

A geographic frequency distribution of seed protein patterns of 306 individuals belonging to Phaseolus polyanthus is presented. Plant material covered the range of distribution of P. polyanthus from Veracruz, Mexico to Cajamarca, Peru. (CIAT)


Debouck, Daniel G.Schmit, VéroniqueLibreros, DimaryRamírez, Hernando[Biochemical evidence for a fifth cultigen within the genus Phaseolus]Biochemical evidence for a fifth cultigen within the genus Phaseolus

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

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