PJB-2007-100
GENETIC VARIATION AMONG PHYTOPHTHORA INFESTANS (TOMATO BLIGHT) ISOLATES FROM WESTERN TURKEY REVEALED BY INTER SIMPLE SEQUENCE REPEAT (ISSR) AND RANDOM AMPLIFIED POLYMORPHIC DNA (RAPD) MARKERS
NECIP TOSUN1 ARZU YILDIRIM2, HUSEYIN TURKUSAY1 AND BAHATTIN TANYOLAC2
Abstract
Severe late blight disease epidemics in western Turkey during the 1997 tomato growing season prompted an investigation into the genotypes and mating types of Phytophthora infestans populations. A western Turkey-wide survey was conducted from 1999 to 2000 in which isolates were collected from 25 different fields. Twenty-five isolates were amplified with 21 RAPD and 18 ISSR primers. The isolates were analyzed for mating type. Genetic variation ranged between 0.002 (M. Kemalpasa
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