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Phyton (Buenos Aires)

On-line version ISSN 1851-5657

Abstract

OCHOA-FUENTES, YM et al. RAPD-determined genetic diversity of Phytophtora cinnamomi Rands of aguacate, Michoacán, Mexico. Phyton (B. Aires) [online]. 2009, vol.78, n.1, pp.25-30. ISSN 1851-5657.

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.

Keywords : Persea americana; Root rot on Avocado; RAPDs.

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