No 103
December 1997: Control of major diseases of potato
....Late blight...early blight...bacterial wilt...common scab
....Phytophthora infestans...Alternaria solani...
....Ralstonia solanearum...Streptomyces scabies...
....Dithane M45...Faycozeb...Ridomil MZ 70...Score 250 EC...