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The common bean is a tropical facultative short day legume that is now grown in tropical and temperate zones. This observation underscores how domestication and modern breeding can change the adaptive phenology of a species. A key adaptive trait is the optimal timing of the transition from the ve...


Bhakta, Mehul S.Gezan, Salvador A.Clavijo Michelangeli, Jose A.Carvalho, MelissaZhang, LiJones, James W.Boote, Kenneth J.Correll, Melanie J.Beaver, James S.Osorno, Juan M.Colbert, RaphaelRao, Idupulapati M.Beebe, Stephen E.González, AbiezerRicaurte Oyola, José JaumerVallejos, C. Eduardo[A Predictive Model for Time-to-Flowering in the Common Bean Based on QTL and Environmental Variables]A Predictive Model for Time-to-Flowering in the Common Bean Based on QTL and Environmental Variables

The base (Tb), optimum (To) and ceiling (Tce) temperature for 50% seed germination and seedling emergence, and the thermal time at sub-optimal temperatures (θ1), were examined in experiments with a range of cowpea genotypes from different habitats and latitudes. There was substantial genotypic va...


Craufurd, P.Q.Ellis, R.H.Summerfield, R.J.Menin, L.[Development in cowpea (Vigna unguiculata); l: the influence of temperature on seed germination and emergence]Development in cowpea (Vigna unguiculata); l: the influence of temperature on seed germination and emergence

Symbiotic nitrogen fixation (SNF) contributes to improve grain yield under nitrogen (N) deficiency. Climbing beans are known to be superior to bush beans in their potential for SNF. The main objectives of this study were to: (i) quantify genotypic differences in SNF ability of climbing beans usin...


Barbosa Torres, Norma ConstanzaPortilla, ElizabethBuendía Castellanos, Hector F.Raatz, BodoBeebe, Stephen E.Rao, Idupulapati M.[Genotypic differences in symbiotic nitrogen fixation ability and seed yield of climbing bean]Genotypic differences in symbiotic nitrogen fixation ability and seed yield of climbing bean

The top three senescent internodes of six genotypes of pearl millet (ICMV 155 Nor 155, ICMV 155 bmr, ICMV 221, ICMH 356, ICMH 94410, NCD 2) and sorghum (CSV 15, CSH 9, local yellow, ICSV 93046, ICSV 89057, ICSV 112) were used to asses the relationship between cell walls and wall components and in...


Zerbini, E.Krishan, C.T.Victor, X.V.A.Sharma, A.[Composition and in vitro gas production of whole stems and cell walls of different genotypes of pearl millet and sorghum]Composition and in vitro gas production of whole stems and cell walls of different genotypes of pearl millet and sorghum

Data on 1199 lambs collected over a 10 year period (1978 to 1987) on Dorper and Dorper X Red Maasai sheep at Ol'Magogo were used in this study. Lamb traits studied were weights from birth to yearling and absolute growth rates between adjacent stages of growth. In general, crossbred lambs performe...


Inyangala, B.A.O.Rege, J.E.O.Itulya, S.[The performance of the Dorper and Dorper X Red Maasai sheep]The performance of the Dorper and Dorper X Red Maasai sheep
Kahi, A.K.Thorpe, W.R.Baker, L.[Estimates of heritabilities and genetic and phenotypic correlations for preweaning traits of calves in a crossbred dairy herd in coastal lowland Kenya]Estimates of heritabilities and genetic and phenotypic correlations for preweaning traits of calves in a crossbred dairy herd in coastal lowland Kenya

Improvement of the nutritive value of dual-purpose sorghum (Sorghum bicolor (L.) Moench) stover is an important objective for the semi-arid tropics where sorghum crop residue is extensively used for livestock feed. To identify the relative importance of genetic and environmental sources of variat...


Rattunde, H.F.W.Zerbini, E.Chandra, S.Flower, D.J.[Stover quality of dual-purpose sorghums: Genetic and environmental sources of variation]Stover quality of dual-purpose sorghums: Genetic and environmental sources of variation

The selection response of a complex maize population improved primarily for quantitative disease resistance to northern leaf blight (NLB) and secondarily for common rust resistance and agronomic phenotypes was investigated at the molecular genetic level. A tiered marker analysis with 151 simple s...


Wisser, RJMurray, SCKolkman, Judith M.Ceballos, H.Nelson, R.J.[Selection mapping of loci for quantitative disease resistance in a diverse maize population]Selection mapping of loci for quantitative disease resistance in a diverse maize population

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)
Lindqvist-Kreuze, HaneleGastelo, M.Pérez, W.Forbes, G.Koeyer, D. deBonierbale, Merideth W.[Phenotypic stability and genome wide association study of late blight resistance in potato genotypes adapted to the tropical highlands.]Phenotypic stability and genome wide association study of late blight resistance in potato genotypes adapted to the tropical highlands.

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