Fusarium oxysporum f. sp. ciceri chickpea wilt, PCR, ITS Eight variants of Fusarium oxysporum f. sp. ciceri were isolated from wilt infected chickpea plants from diverse locations of northern Karnataka. Genetic variability was studied by polymerase chain reaction (PCR) amplification with specific primer and genetic identity among each variant was calculated and results depicted that there was minimum genetic variation among the variants collected from the diverse locations. At similarity coefficient the variants separated into two clusters. Cluster A contained six variants viz., Foc V, Foc Ku, Foc B, Foc S, Foc Ka and Foc H and cluster B contained two variants Foc R and Foc J. | ITS rDNA analyses in the identification and differentiation of isolates of Fusarium oxysporum f. sp. ciceri causing chickpea wilt