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Plant root development can be largely affected through the association of roots with plant growth-promoting rhizobacteria (PGPR). However, little is known about the identity of plant genes enabling such PGPR-plant root associations. Differences in the responsiveness to PGPR among cultivars sugges...


Remans, RBeebe, Stephen E.Blair, Matthew W.Manrique, GTovar Luque, ERao, Idupulapati M.Croonenborghs, ATorres Gutierrez, REl-Howeity, MMichiels, JVanderleyden, J[Physiological and genetic analysis of root responsiveness to auxin-producing plant growth-promoting bacteria in common bean (Phaseolus vulgaris L.)]Physiological and genetic analysis of root responsiveness to auxin-producing plant growth-promoting bacteria in common bean (Phaseolus vulgaris L.)

The study aimed to investigate the in vivo digestion of Phaseolus vulgaris phaseolin types differing in their subunit pattern composition. Diets contained either casein as the sole source of protein or a mixture (1:1) of casein and pure Sanilac (S), Tendergreen (T) or Inca (I) phaseolin either un...


Montoya Marmolejo, CALeterme, PBeebe, Stephen E.Souffrant, WBMolle, DLalles, JP[Phaseolin type and heat treatment influence the biochemistry of protein digestion in the rat intestine]Phaseolin type and heat treatment influence the biochemistry of protein digestion in the rat intestine

Legumes provide essential micronutrients that are found only in low amounts in the cereals or root crops. An ongoing project at CIAT has shown that the legume common bean is variable in the amount of seed minerals (iron, zinc, and other elements), vitamins, and sulfur amino acids that they contai...


Blair, Matthew W.Astudillo, CarolinaRengifo, JBeebe, Stephen E.Graham, R[QTL analyses for seed iron and zinc concentrations in an intra-genepool population of Andean common beans (Phaseolus vulgaris L.)]QTL analyses for seed iron and zinc concentrations in an intra-genepool population of Andean common beans (Phaseolus vulgaris L.)

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

Host plant resistance in common bean (Phaseolus vulgaris L.) is a promising component in an integrated cropping system for managing thrips (Thrips palmi Karny) infestation. This study was conducted to identify quantitative trait loci (QTLs) for resistance to thrips in common bean, using F5:7 reco...


Frei, AMBlair, Matthew W.Cardona Mejía, CésarBeebe, Stephen E.Gu, HDorn, S.[QTL mapping of resistance to Thrips palmi karny in common bean]QTL mapping of resistance to Thrips palmi karny in common bean

Low soil P availability is a primary constraint to common bean (Phaseolus vulgaris L.) production in Latin America and Africa. Substantial genotypic variation in bean adaptation to low phosphorus (LP) availability has been linked with root traits that enhance the efficiency of soil foraging. The ...


Beebe, Stephen E.Rojas, MYan, XBlair, Matthew W.Pedraza García, FabioMuñoz Arboleda, FernandoTohme, Joseph M.Lynch, Jonathan P.[Quantitative trait loci for root architecture traits correlated with phosphorus acquisition in common bean]Quantitative trait loci for root architecture traits correlated with phosphorus acquisition in common bean

An estimated 60% of common bean (Phaseolus vulgaris L.) production worldwide is at risk of drought. A breeding program was developed at the International Center of Tropical Agriculture (CIAT) to create drought resistant breeding lines with varietal potential in the small red, small black, cream (...


Beebe, Stephen E.Rao, Idupulapati M.Cajiao V., César HernandoGrajales, Miguel A.[Selection for drought resistance in common bean also improves yield in phosphorus limited and favorable environments]Selection for drought resistance in common bean also improves yield in phosphorus limited and favorable environments

The work assessed the relative importance of production and consumption attributes of different wealth groups of households and tested the effect of attribute preference and that of other factors on common bean variety demand in the drought areas of Eastern Kenya. Variety demand was conceptualize...


Katungi, ESperling, L.Karanja, D.Farrow, AndrewBeebe, Stephen E.[Relative importance of common bean attributes and variety demand in the drought areas of Kenya]Relative importance of common bean attributes and variety demand in the drought areas of Kenya

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

It is widely accepted that two major gene pools exist in cultivatedcommon bean, one Middle American and one Andean. Recently another gene pool,designated as North Andean and a fourth group (not considered to be adistinct gene pool) have been reported by the senior author and hiscolleagues. Many o...


Islam, F.M.A.Basford, KEJara, Carlos E.Redden, RJBeebe, Stephen E.[Seed compositional and disease resistance differences among gene pools in cultivated common bean]Seed compositional and disease resistance differences among gene pools in cultivated common bean

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