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The first noticeable symptoms develop on leaf blades and consists of small chlorotic spots, arranged as alternate bands of diseased and healthy tissue.
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Spots on the mid-ribs are circular and dark brown, while lesions on the laminae continue as chlorotic spots. Nodes and internodes also show brown lesions.
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In severe infections, these may coalesce and induce stalk rotting and lodging.
Management
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Planting corn early allow to escape infection.
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Removing of Saccharum spontaneoum grass growing around the crop, can minimise the disease.
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Systemic fungicides mainly based on acylalamines such as, metalaxyl .
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Resistant varieties – Ganga 11,Deccan, Deccan 103,Composite Suwan1, F-9572 A, JKMH-178-4, FH-3113
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| Healthy Leaf |
Infected Leaf |
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