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    RAPD-determined genetic diversity of Phytophtora cinnamomi Rands of aguacate, Michoacán, Mexico

    Ochoa-Fuentes YM1, E Cerna2, J Landeros2, O Vazquez1, V Olalde3, A Flores2

    Phyton-International Journal of Experimental Botany, Vol.78, pp. 25-30, 2009, DOI:10.32604/phyton.2009.78.025

    Abstract Forty two Mexican isolates of Phytophthora cinnamomi Rands were examined for genetic diversity by the random amplified polymorphic DNA assay. The amount of genetic variation was evaluated by polymerase chain reaction amplification with a set of twenty one random 10-mer primers. All amplifications revealed scorable polymorphisms among the isolates, and a total of 23 band positions were scored for the 21 primers tested. Genetic distances among the isolates were calculated, and cluster analysis was used to generate a dendogram which showed relationships between them. These results suggest that the geographic groups were strong. More >

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