Post harvest diseases and losses of citrus were studied in Guntur district of Andhra Pradesh, India. It was ranged from 14.73 to 34.96 per cent with the highest at wholesalers (3.7-5.67 %) level, followed by the retailers (5.24-11.99%), field level (4.29- 5.67 %), and at the consumer (1.50- 1.67%). Eight fungi viz,. Geotrichum candidum, Pestalotiopsis sp., Fusarium sp., Colletotrichum gloeosporioides, Aspergillus sp., Rhizopus sp., Bahusakala olivacea nigra, Botrytis cinerea and two bacteria: Xanthomonas sp. and Pseudomonas sp. were identified as postharvest pathogens on mandarins, sweet...