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This disease is caused by fungi Botryosphaeria ribis
Symptoms:
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The disease has been identified as Botryosphaeria ribis which cause serious losses during December.
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The infection usually occurs at or near the distal end in the region of persistent calyx. The rot begins with a translucent zone around the distal end that becomes brown in colour.
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With the evolution of the disease, the lesion becomes dark black and wrinkled with dry skin, while maintaining translucent margins.
Management:
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Orchard sprays with dithane M 45 (2gms.) at 15 days interval.
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Proper and timely bagging of fruits.
