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    SCAR molecular markers to identify disease resistance sources in ayocote beans (Phaseolus coccineus)

    Ruíz-Salazar R1, JS Muruaga-Martínez2, MLP Vargas-Vázquez2, G Alejandre-Iturbide4, G Castañón-Nájera3, S Hernández-Delgado1, N Almaraz-Abarca4, N Mayek-Pérez1,5

    Phyton-International Journal of Experimental Botany, Vol.85, pp. 184-193, 2016, DOI:10.32604/phyton.2016.85.184

    Abstract In order to identify genes of resistance to four diseases that affect Phaseolus sp. [i.e, Common Bacterial Blight (CBB), Bean Common Mosaic Virus (BCMV), Bean Golden Mosaic Virus (BGMV) and angular leaf spot (ALS)], we amplified nine SCAR (Sequence Characterized Amplified Regions) markers: four linked to resistance to common blight, two for BCMV, two for BGMV and one for ALS. The genetic material included 16 ayocote bean (P. coccineus) populations collected from different locations at Veracruz and Puebla, Mexico. Populations from Veracruz showed greater number of SCARs for BGMV and ALS compared with populations from Puebla. The best P. coccineusMore >

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