DETECTION OF SEED-BORNE PSEUDOMONAS-SYRINGAE PV SYRINGAE IN WHEAT

Certified seeds of the widely cultivated wheat variety Sonalika collec ted from different wheat growing areas of Bangladesh were used in the detection of the wheat bacterial leaf blight pathogen, Pseudomonas syr ingae pv. syringae. Different techniques and diagnostic strategies wer e employed. The pathogen seemed to be internally located in the seed a nd was easily detected by the ground-up liquid assay method. The resul ts indicated the Meed for screening wheat seed samples in the certific ation programme for presence of this pathogen because it causes losses in wheat in the field.