Black Gram Cercospora leaf spot: Cercospora canescens
Symptom:
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Spots produced are small, numerous in number with the pale brown centre and reddish brown margin. Similar spots also occur on branches and pods.
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Under favourable environmental conditions, severe leaf spotting and defoliation occurs at the time of flowering and pod formation.
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The fungus is seed-borne and also survives on plant debris in the soil.
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High humidity favours disease development.
Management:
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Spray Carbendazim 500 g/ha or Mancozeb 1000g /ha at the initiation of the disease and 10 days later.
Source-
- TamilNadu Agritech Portal
