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Aluminum (Al) toxicity is a major limiting factor of crop production in acid soils, which are found mostly in developing countries of the tropics and sub-tropics. Common bean (Phaseolus vulgaris L.) is particularly sensitive to Al toxicity; and development of genotypes with better root growth in ...


López Marin, H.D.Rao, Idupulapati M.Blair, Matthew W.[Quantitative trait loci for root morphology traits under aluminum stress in common bean (Phaseolus vulgaris L.)]Quantitative trait loci for root morphology traits under aluminum stress in common bean (Phaseolus vulgaris L.)

Low phosphorus availability is a primary constraint to crop production in developing countries. Adventitious roots play an important role in phosphorus acquisition, as they are localized near the soil surface where phosphorus is relatively abundant. A population of recombinant inbred lines of Pha...


Ochoa, IEBlair, Matthew W.Lynch, Jonathan P.[QTL analysis of adventitious root formation in common bean under contrasting phosphorus availability]QTL analysis of adventitious root formation in common bean under contrasting phosphorus availability

Fifty-three bean (Phaseolus vulgaris) accessions were evaluated for their reactions to infection by Macrophomina phaseolina under field and greenhouse conditions. A field nursery was established on an experimental farm near Santander de Quilichao, Colombia. All accessions were evaluated in paired...


Pastor Corrales, Marcial A.Abawi, G.S.[Reactions of selected bean accessions to infection by Macrophomina phaseolina]Reactions of selected bean accessions to infection by Macrophomina phaseolina

The genus Phaseolus includes important cultivated species as well as wild species with diverse ecological adaptations. Characterization of the ecological adaptations of the wild species would be useful for improved understanding, conservation, and utilization of these genetic resources. Salinity ...


Bayuelo Jiménez, Jeannette SofiaDebouck, Daniel G.Lynch, Jonathan P.[Salinity tolerance in Phaseolus species during early vegetative growth]Salinity tolerance in Phaseolus species during early vegetative growth

A Brazilian isolate of Fusarium oxysporum f. sp. phaseoli (F. o. f. sp. phaseoli) was used to determine the reactions of 66 lines of beans to the Fusarium yellows pathogen in greenhouse tests. The distal 1 cm of root tips of 1-wk-old seedlings grown in sterilized sand were removed, roots were dip...


Pastor Corrales, Marcial A.Abawi, G.S.[Reactions of selected bean germ plasm to infection by Fusarium oxysporum f. sp. phaseoli]Reactions of selected bean germ plasm to infection by Fusarium oxysporum f. sp. phaseoli
Mundel, HHKiehn, FASaindon, GHuang, HCConner, R.L.Singh, Shree P.[Registration of 'alert' great Northern common bean]Registration of 'alert' great Northern common bean

A literature review is presented of the different concepts related to biological N fixation (BNF) in beans as well as the procedures to establish breeding programs leading to increase BNF. The N requirements of bean plants are determined as well as the sources from which it can be obtained; the b...


Rosas, J.C.Kipe-Nolt, Judith A.Henson, R.A.Bliss, Fredrick A.[Estrategias de mejoramiento para incrementar la capacidad de fijacion biologica de nitrogeno del frijol comun en America Latina]Estrategias de mejoramiento para incrementar la capacidad de fijacion biologica de nitrogeno del frijol comun en America Latina
Singh, Shree P.Gutiérrez, J.A.Terán Santofimio, Henry[Registration of indeterminate tall upright small black-seeded common bean germplasm A 55]Registration of indeterminate tall upright small black-seeded common bean germplasm A 55
Blair, Matthew W.Hoyos, A.Cajiao V., César HernandoKornegay, Julia L.[Registration of two mid-altitude climbing bean germplasm lines with yellow grain color, MAC56 and MAC57]Registration of two mid-altitude climbing bean germplasm lines with yellow grain color, MAC56 and MAC57

Although direct selection for seed yield under water deficit can result in genetic gains in the common bean (Phaseolus vulgaris L.), progress could be enhanced through selection for additional traits that are related to underlying mechanisms of adaptation to water deficit. Carbon isotope discrimi...


White, Jeffrey W.Castillo Franco, JAEhleringer, JRGarcía, J.A.Singh, Shree P.[Relations of carbon isotope discrimination and other physiological traits to yield in common bean (Phaseolus vulgaris) under rainfed conditions]Relations of carbon isotope discrimination and other physiological traits to yield in common bean (Phaseolus vulgaris) under rainfed conditions

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