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A total of 20,144 common bean (Phaseolus vulgaris) accessions were evaluated in the field at CIAT-Popayan, Colombia, with a mixture of local isolates of the anthracnose pathogen, Colletotrichum lindemuthianum. Of these, 4,939 (24.5%) accessions were resistant, and another 4,410(2l .9%) showed an ...


Pastor Corrales, Marcial A.Otoya, María MercedesMolina Castaneda, A[Resistance to Colletotrichum lindemuthianum isolates from middle America and Andean South America in different common bean races]Resistance to Colletotrichum lindemuthianum isolates from middle America and Andean South America in different common bean races

Advanced backcross QTL analysis was used to identify quantitative trait loci (QTL) for agronomic performance in a population of BC2F3:5 introgression lines created from the cross of a Colombian large red-seeded commercial cultivar, ICA Cerinza, and a wild common bean accession, G24404. A total of...


Blair, Matthew W.Iriarte Solórzano, G.A.Beebe, Stephen E.[QTL analysis of yield traits in an advanced backcross population derived from a cultivated Andean x wild common bean (Phaseolus vulgaris L.) cross]QTL analysis of yield traits in an advanced backcross population derived from a cultivated Andean x wild common bean (Phaseolus vulgaris L.) cross

The relationship between root-hair growth, acid exudation and phosphorus (P) uptake as well as the quantitative trait loci (QTLs) associated with these traits were determined for a recombinant inbred line (RIL) population derived from the cross of two contrasting common bean (Phaseolus vulgaris L...


Yan, XLiao, HBeebe, Stephen E.Blair, Matthew W.Lynch, Jonathan P.[QTL mapping of root hair and acid exudation traits and their relationship to phosphorus uptake in common bean]QTL mapping of root hair and acid exudation traits and their relationship to phosphorus uptake in common bean

African yam bean, AYB (Sphenostylis stenocarpa Hochst. ex. A. Rich Harms), is a tuberous legume of tropical Africa. AYB has the potential to significantly boost food security due to its considerable nutritional qualities. However, the crop is underutilized. To efficiently utilize AYB genetic reso...


Shitta, N.S.Abberton, M.T.Adesoye, A.I.Adewale, D.B.Oyatomi, O.[Analysis of genetic diversity of African yam bean using SSR markers derived from cowpea]Analysis of genetic diversity of African yam bean using SSR markers derived from cowpea
Bhattacharjee, R.López Montes, A.Abberton, M.T.Kumar, P.L.Asiedu, Robert[Advanced genomic technologies for genetic enhancement of yam (Dioscorea spp.)]Advanced genomic technologies for genetic enhancement of yam (Dioscorea spp.)

Understanding the distribution of genetic diversity within and among individuals, populations, species and gene pools is crucial for the efficient management of germplasm collections. Molecular markers are playing an increasing role in germplasm characterization, yet their broad application is li...


Xia, LPeng, KYang, SWenzl, PeterVicente, M.C. deFregene, Martin A.Kilian, A[DArT for high-throughput genotyping of cassava (Manihot esculenta) and its wild relatives]DArT for high-throughput genotyping of cassava (Manihot esculenta) and its wild relatives

Micromolar calcium activated neutral protease (CAPN1) was evaluated as a candidate gene for a quantitative trait locus (QTL) on BTA29 affecting meat tenderness by characterization of nucleotide sequence variation in the gene. Single-nucleotide polymorphisms (SNP) were identified by sequencing a...


Page, B.T.Casas, E.Heaton, M.P.Cullen, N.G.Hyndman, D.L.Morris, C.A.Crawford, A.M.Wheeler, T.L.Koohmaraie, M.Keele, J.W.Smith, T.P.L.[Evaluation of single-nucleotide polymorphisms in CAPN1 for association with meat tenderness in cattle]Evaluation of single-nucleotide polymorphisms in CAPN1 for association with meat tenderness in cattle

Assembled germplasm has provided breeders with valuable traits for the improvement of common beans. Molecular markers such as phaseolin and isozymes have facilitated understanding of the genus Phaseolus thus enabling breeders to develop more effective strategies. However, there are still gaps in ...


Tohme, Joseph M.[Existing bean variability and breeding activities at CIAT for new genetic combinations]Existing bean variability and breeding activities at CIAT for new genetic combinations

Many parasite species are known to show high levels of genetic diversity, yet the consequences of this diversity for host-parasite interactions are not well understood. Variation in phenotypic traits such as growth rates and the ability to form transmission stages are raw material for natural a...


Taylor, L.H.Katzer, F.Shiels, B.R.Welburn, S.C.[Genetic and phenotypic analysis of Tunisian Theileria annulata clones]Genetic and phenotypic analysis of Tunisian Theileria annulata clones
Ortega Arreola, R.González Tous, Daniel I.Berrío Orozco, Luis EduardoGuimaraes, Elcio PerpétuoCuevas Pérez, Federico E.[Rice varieties in Mexico and their genetic diversity]Rice varieties in Mexico and their genetic diversity

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