Symptoms :

• It incites a stem end rot and a surface fruit rot.
• It usually induces a wider and softer water-soaked margin and greater internal discolouration.
• Sporulating lesions of B.theobromae are black and have a rough surface caused by the erumpent, confluent arrangement of pycnidia.
• The disease development is more rapid on ripe and half ripe fruits.
• The rot begins as dark green, water-soaked spots.
• Later, the affected portion becomes shriveled and turns dark brown.
• Numerous pycnidia of the pathogen appear on the diseased portion.
• The infection of fruit stalk results in fruit drop.

Management :

• Hot water treatment 49°C for 20 minutes.

Image source: http://postharvest.ucdavis.edu/PFfruits/PapayaPhotos/?repository=29612&a=83507 http://www.ctahr.hawaii.edu/nelsons/papaya/1_stem_end_rot_botryodiplodia1.jpg