Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 65, AP15
Reaction of indicator tobacco cultivars to races of Pseudomonas syringae pv tabaci Tox+
Tobacco Research Board, Harare, Zimbabwe.
Three races of Pseudomonas syringae pv tabaci Tox+ (wildfire) (races 0, 1 and 2) and two races of Tox- (angular leaf spot) (races 1 and 2) have been confirmed on tobacco in Zimbabwe. Very few cultivars with no resistance to Ps. syringae pv...