Round-to-elliptical reddish-purple leaf spots with darker brown centers, often forming a V-shape toward the leaf margin; a soft, pale-pink rot at the fruit stem end with black pycnidia visible in older lesions.
Favorable conditions
•Temperatures 26-32°C with 72+ hours of leaf wetness
•Wet autumn weather favoring late-season buildup
Management
1Remove and bury infected leaves at renovation
2Plant more tolerant varieties
3Apply fungicide ahead of extended wet periods, avoiding cold-weather applications that can injure leaves