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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

Although common bean (Phaseolus vulgaris) is the most important grain legume in the developing world for human consumption, few genomic resources exist for this species. The objectives of this research were to develop expressed sequence tag (EST) resources for common bean and assess nodule gene e...


Ramírez, M.Graham, MABlanco Lopez, LSilvente, SMedrano Soto, ABlair, Matthew W.Hernández, G.Vance, CPLara, M[Sequencing and analysis of common bean ESTs. Building a foundation for functional genomics]Sequencing and analysis of common bean ESTs. Building a foundation for functional genomics

Single nucleotide polymorphism (SNP) markers are by far the most common form of DNA polymorphism in a genome. The objectives of this study were to discover SNPs in common bean (Phaseolus vulgaris L.) by comparing sequences from coding and noncoding regions obtained from the GenBank and genomic DN...


Gaitán Solís, ElianaChoi, I.Y.Quigley, CCregan, P.B.Tohme, Joseph M.[Single nucleotide polymorphisms in common bean : Their discovery and genotyping using a multiplex detection system]Single nucleotide polymorphisms in common bean : Their discovery and genotyping using a multiplex detection system

Revised reference values of available soil phosphorus by Bray I below which bean (Phaseolus vulgaris L.) and sorghum (Sorghum bicolor L.) yield response to applied P is expected, were 6 and 9 ppm, for January and July soil sampling dates, respectively. Reference values determined for interpretati...


Drechsel, PayMutwewingabo, BHagedorn, FWortmann, Charles S.[Soil and foliar phosphorus determination in Rwanda: Procedures and interpretation]Soil and foliar phosphorus determination in Rwanda: Procedures and interpretation
Galeano Mendoza, CHFernández, A.C.Gómez, M.Blair, Matthew W.[Single strand conformation polymorphism based SNP and Indel markers for genetic mapping and synteny analysis of common bean (Phaseolus vulgaris L.)]Single strand conformation polymorphism based SNP and Indel markers for genetic mapping and synteny analysis of common bean (Phaseolus vulgaris L.)

Crop simulation models have been used successfully to evaluate many systems and the impact of change on these systems, e.g. for climatic risk and the use of alternative management options, including the use of nitrogen fertilisers. However, for low input systems in tropical and subtropical region...


Delve, Robert J.Probert, MECobo Borrero, Juan G.Ricaurte Oyola, José JaumerRivera Pena, MBarrios, E.Rao, Idupulapati M.[Simulating phosphorus responses in annual crops using APSIM : Model evaluation on contrasting soil types]Simulating phosphorus responses in annual crops using APSIM : Model evaluation on contrasting soil types

This paper represents a series of in vitro iron (Fe) bioavailability experiments, Fe content analysis and polyphenolic profile of the first generation of Fe biofortified beans (Phaseolus vulgaris) selected for human trials in Rwanda and released to farmers of that region. The objective of the pre...


Glahn, Raymond P.Tako, EladHart, Jonathan J.Haas, JereLung'aho, Mercy G.Beebe, Stephen E.[Iron Bioavailability Studies of the First Generation of Iron-Biofortified Beans Released in Rwanda]Iron Bioavailability Studies of the First Generation of Iron-Biofortified Beans Released in Rwanda

Stages in the diagnosis of an interveinal leaf chlorosis in bean in the Usambara Mountains of northern Tanzania are described. Leaf tissue analysis, soil analysis, a 25 factorial trial with treatments of nitrogen, phosphorus, potassium, the trace elements copper and zinc and lime at one location ...


Smithson, James BradyEdje, O.T.Giller, Ken E.[Diagnosis and correction of soil nutrient problems of common beans (Phaseolus vulgaris) in the Usambara mountains of Tanzania]Diagnosis and correction of soil nutrient problems of common beans (Phaseolus vulgaris) in the Usambara mountains of Tanzania

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