• Typical rot symptoms of this disease are nearly round, brown to black lesions, often centred around a skin break or weakened tissue.
• The spots are firm, dry and shallow.
• The surface of spots becomes dark brown to black and in the advanced stages, the rotted tissues become spongy and the affected flesh turns black.

• Practice orchard sanitation and “soft handling” of fruit.
• Harvest fruit at proper maturity.
• Careful handling during picking, washing, and packing
• Store fruits at temperatures of 0° to 4 °C.

Image source : http://postharvest.tfrec.wsu.edu/marketdiseases/alternaria.html