ANGULAR LEAF-SPOT OF IRON WOOD INCITED BY A PATHOVAR OF PSEUDOMONAS-SYRINGAE

A fluorescent pseudomonad inciting brown angular leaf spots on iron wo od (Parotia persica) in Mazandaran forest was isolated and identified as a pathovar of Pseudomonas syringae. Strains assimilated adonitol an d L-tartrate but not lactate or D-tartrate as carbon sources for growt h. The electrophoretic profiles of cell proteins of strains isolated f rom iron wood were very similar but differred markedly from protein pr ofile of P. syringae pv. syringae.