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    Geographical differentiation of wild pepper (Capsicum annuum L. var. glabriusculum) populations from northwestern Mexico

    López-España RG1, S Hernández-Verdugo1, S Parra-Terraza1, F Porras1, Antonio Pacheco-Olvera1, A Valdez-Ortiz2, T Osuna-Enciso3, MD Muy-Rangel3

    Phyton-International Journal of Experimental Botany, Vol.85, pp. 131-141, 2016, DOI:10.32604/phyton.2016.85.131

    Abstract Wild pepper (Capsicum annuum L. var. glabriusculum) is a valuable genetic resource for food and agriculture. The patterns of variation of 12 morphological traits of 17 populations of wild pepper collected across a latitudinal and climate gradients in northwestern Mexico were analyzed in a uniform greenhouse experiment. The morphological traits data were axamined by univariate and multivarite analysis. The relationship between phenotypic variation and latitude of population origen was tested using linear regression analysis. We found high variation within and among populations for most of the measured traits. Populations were clearly differentiated by univariate analysis of variance and principal component… More >

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