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Mango Anthracnose, History, Symptom, Etiology, Disease Cycle | Plant Pathology |

This lecture dedicated to a unique disease of Mango that is Mango Anthracnose. This lecture based on following heads - Disease Name – Anthracnose Causal Organism – Colletotrichum gloeosporioides Telomorph stage – Glomerella cingulata History - Sattar and malik in 1939 observed anthracnose from several district of panjab. Symptom - Oval shaped brown to black spots with yellow halo appears on young leaves. Later these spots coalesce whole leaf get blighted. Shot hole appears at leaf by rupturing. Panicles, flowers and fruits also affected. Brown to black spots noticed on twigs. Small brown enlarge and become black spot near stem end can seen on fruits. Infected fruit drop off prematurely, latent infected fruits rotten in storage. Etiology - Anamorphic stage  Fungal colonies - dirty white or dark brown to black.  Hyphae – aerial septate and branched.  Acervuli – hemispherical and conical shaped.  Setae – dark brown to black, filiform, septate, swellen at base and tapper at apex.  Conidiophores – simple, short, hyaline to brown and coenocytic.  Conidia – hyaline but pinkish in mass, unicellular, oval round at end  Appresoria – conidia germinate by germ tube and cause the infection Telomorphic stage  Perithecia – produced on stromatic cushion are subspherical with ostiolar hair.  Asci – subclavate and fugacious .  Ascospore – hyaline, single celled oval to oblong. Twitter for Video -   / knowledgeofsci1   Telegram for Power Point and Video - https://t.me/knowledgeofscience Instagram -   / knowledgeofscience0909