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Common bean (Phaseolus vulgaris L.) germplasm was screened for resistance to charcoal rot (Macrophomina phaseolina) under field conditions at Kiboko and Katumani, eastern Kenya. Of the 313 bean accessions evaluated, 50 lines were resistant and six were tolerant to M. phaseolina, the charcoal rot ...


Songa, WAHillocks, RJMwang'ombe, A.W.Buruchara, Robin A.Ronno, WK[Screening common bean accessions for resistance to charcoal rot (Macrophomina phaseolina) in Eastern Kenya]Screening common bean accessions for resistance to charcoal rot (Macrophomina phaseolina) in Eastern Kenya

While symbiotic nitrogen (N2) fixation by G. max and P. vulgaris reduces their need for combined N, N2 fixation under field conditions is rarely maximized. This paper reviews constraints to N2 fixation in these species, then examines the genetic variability recorded for traits affecting N2 fixati...


Graham, Peter H.Temple, Steven R.[Selection for improved nitrogen fixation in Glycine max (L.) Merr. and Phaseolus vulgaris L.]Selection for improved nitrogen fixation in Glycine max (L.) Merr. and Phaseolus vulgaris L.

Thomas, E.Zonneveld, M. vanLoo, J.Hodgkin, T.Galluzzi, GeaEtten, Jacob van[Present spatial diversity patterns of Theobroma cacao L. in the neotropics reflect genetic differentiation in Pleistocene refugia followed by human-influenced dispersal]Present spatial diversity patterns of Theobroma cacao L. in the neotropics reflect genetic differentiation in Pleistocene refugia followed by human-influenced dispersal

A collection trip of native Phaseolus germplasm was carried out over a 15-day period in the provinces of Jujuy, Salta, Tucuman, and Catamarca (Argentina) within the alt. range of 700-2200 m.a.s.l. Seeds of 26 wild populations of Phaseolus vulgaris var. aborigineus and of other species were collec...


Debouck, Daniel G.[Recoleccion de germoplasma nativo de Phaseolus]Recoleccion de germoplasma nativo de Phaseolus
Schoonhoven, Aart van[The Bean Program at the Centro International de Agricultura Tropical (CIAT)]The Bean Program at the Centro International de Agricultura Tropical (CIAT)
Andersson, Meike S.Schultze-Kraft, RainerPeters, MichaelHincapié Carvajal, BelisarioLascano, Carlos E.[Morphological agronomic and forage quality diversity of the Flemingia macrophylla world collection]Morphological agronomic and forage quality diversity of the Flemingia macrophylla world collection

Discusses ILCA's forage legume work in the Ethiopian highlands with particular reference to trifolium including germplasm collection. Presents data on DM yield, CP percentage and DM digestibility of four trifolium spp. and vicia villosa grown at Shola (Ethiopia) in 1981.


Kahurananga, J.[ILCA's forage legume work in the Ethiopian highlands]ILCA's forage legume work in the Ethiopian highlands

Results are given from a Phaseolus germplasm field study carried out in Southern Nuevo Leon, Mexico: 143 samples of 8 different species. The presence of each one of the species in this part of the country is discussed. (CIAT)


Rodríguez C, M.Rodríguez T, S.Aguilar S., M.Debouck, Daniel G.[Phaseolus germplasm collection in Mexico]Phaseolus germplasm collection in Mexico

Bean germplasm was evaluated at CIAT for resistance to BCMV strains NL-4, NL-3, and NL-5 in order to use them in the national breeding and selection programs in Africa, Europe, USA, and Chile. Ninety-eight lines were selected for an international Bean Common Mosaic/Black Root resistance nursery. ...


Davis, J.H.C.Morales, Francisco JoséCastaño, M.[Resistance to black root]Resistance to black root

During a 3-wk. trip to western Guatemala to collect bean germplasm, 88 seed samples were collected, representing 10 species in different forms. The germplasm involves 3 cultivated species (coccineus, polyanthus, and vulgaris), the ancestral forms of coccineus, lunatus, and polyanthus, and 3 wild ...


Debouck, Daniel G.Soto D., J.J.[Recoleccion de germoplasma de Phaseolus (frijol) en el Occidente de Guatemala]Recoleccion de germoplasma de Phaseolus (frijol) en el Occidente de Guatemala

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