Mango AnthracnoseIdentification & Treatment Guide 2026
Colletotrichum gloeosporioides · Family: Glomerellaceae
Mango anthracnose (Colletotrichum gloeosporioides) causes flower blight, leaf spots, and dark sunken fruit rot. The fungus infects flowers, then lies dormant until fruit ripens. Manage with copper sprays during flowering, post-harvest hot water treatment (52°C for 5 min), resistant varieties, and proper orchard sanitation. Dry weather during flowering reduces losses significantly.
Scan This Plant NowQuick Diagnosis
highMango Anthracnose
- Affects
- flowersfruitleavestwigs
- Peak Season
- Flowering season through harvest; worst when flowering coincides with rain
- Spread Risk
- Fast
- Spread By
- Rain splash of conidia from infected leaves and twigs, wind-driven rain during flowering
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Symptoms: What does Mango Anthracnose look like?
Visual identification guide — tap each stage for details
Dark spots on flower panicles
Small dark brown to black spots appear on individual flowers and panicle branches. Infected flowers dry up and drop without setting fruit.
Leaf spots and twig dieback
Irregular dark brown to black spots with yellow halos appear on young leaves. Twigs may develop dark lesions leading to tip dieback. Spots may merge into large necrotic areas.
Dark sunken fruit rot at ripening
As fruit ripens, dark brown to black, sunken, circular lesions develop on the skin. Lesions may coalesce and produce pink-orange spore masses. Fruit pulp beneath lesions becomes brown and mushy. Often appears during transit or at market.
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