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

Twitter for Video -   / knowledgeofsci1   Telegram for Power Point and Video - https://t.me/knowledgeofscience Instagram -   / knowledgeofscience0909   This lecture dedicated to a unique disease of Mango that is Mango Malformation. This lecture based on following heads - History - First reported by watt in 1891 from uttar pradesh.Singh an chakravarti noticed in 1933 from varansi. Severe in northern india, moderate severe in north east and south india while free in coastal area. Symptom - Vegetative Malformation Symptom appears in young plants in nursery. Successive branching with limited growth in seedling. Inter node swell and become short. These all symptom gives bunchy top appearance. Newly produced shoot remain short and stunted. Floral Malformation Peduncle become thickened and fleshy. Profuse branching. Floral branches crowded. Whole structure turns greyish brown then black. Flowers converted into numerous small leafy structure. Structure appear as witches broom. Fertile flower are rare. Malformed panicle don’t bear fruits, if set is very small sized Etiology - Causal Organism – Fusarium moniliformae var. Subglutinans Sexual stage – Gibberlla indica Mycelium are aerial . Microconidia are septate, oval to fusiform,. Macroconidia are lacking or rare septate, falcate. No chlamydospores are produce. Phialides are conidia bearing structure. Disease cycle - MCQ #Mangomalformation #plantpathology #agriculture