Record of New Race of Ascochyta rabiei on Chickpea in Against Ninevah Province

Abstract

Field survey carried out in certain regions of Ninevah Province during April and may 2002. showed that the Ascochuta blight disease incidence ranged between 10-75 %while disease score range between 2-8 using 1-9 scale, Ascochuta blight of Chickpea caused by Ascochyta rabiei (pass.) Laber.,14th isolates of A. rabiei collected in 2002 were inoculated onto 13th differential chickpea cultivars for pathogenicity testing, results indicated five races A, B, C, D and E Race E was highly virulent while race A was the lowest, and this is first record of the E race in Iraq.