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African Journal of Biotechnology

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Estimation of loss due to post harvest diseases of potato in markets of different districts in Bangladesh

MMI Masum, SMM Islam, MS Islam, MH Kabir

Abstract


The storage diseases of potato at Mymensingh, Rajshahi and Dhaka town were surveyed to estimate the loss in potato due to storage diseases. In Mymensingh district, the survey revealed that 3.95, 0.91 and 0.69% of tubers were affected with soft rot, dry rot and scab, respectively. Among the cultivars, maximum loss within the three months namely July, August and September were found in cultivar Cardinal (5.55%), where losses were caused by soft rot (3.97%), dry rot (0.88%) and scab (0.70%). In Rajshahi district, the survey revealed that 3.73, 0.99 and 0.85% of tubers were affected with soft rot, dry rot and scab, respectively. Among the cultivars, maximum loss within the three months were found in Cardinal (5.55%) having soft rot (3.58%), dry rot (1.06%) and scab (0.96%). In Dhaka district, the survey revealed that 3.27, 0.96 and 0.81% of tubers were affected with soft rot and dry rot. Among the cultivars, maximum loss within the three months was found in Diamant (5.55%) due to soft rot (2.49%), dry rot (1.05%) and scab (0.97%). Loss estimated in potato was 5.84, 5.54 and 5.25%, respectively in the months of July, August and September at Mymensingh district. Similarly, in Rajshahi district, it was 5.85, 5.58 and 5.28%, respectively in the month of July, August and September. Again in Dhaka district, it was 5.58, 4.96 and 4.55%, respectively in the months of July, August and September. The study revealed the fact that potatoes were subjected to different diseases in the markets of Bangladesh.

Key words: Potato, storage diseases, months, loss, Bangladesh.




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