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Journal of Plant Sciences
Year: 2015  |  Volume: 10  |  Issue: 3  |  Page No.: 108 - 115

Yield, Dry Matter, Specific Gravity and Color of Three Bangladeshi Local Potato Cultivars as Influenced by Stage of Maturity

Abul Hasnat Muhammad Solaiman, Takashi Nishizawa, Tuhin Suvra Roy, Mahfuzar Rahman, Rajesh Chakraborty, Jannath Choudhury, Md. Dulal Sarkar and Mirza Hasanuzzaman    

Abstract: Stage of maturity often affects the yield, dry matter, specific gravity and color of potato tubers. Comparative account of some processing traits of three local varieties of potato (viz., ‘Fata Pakri’, ‘Sada Pakri’ and ‘Rumana)’ harvested at 80, 90, 100 and 110 days after planting with those of True Potato Seed variety ‘BARI TPS-I’ is given in this study tuber samples were harvested after 10 -days of tuber skin-curing in the soil. Yield increased significantly up to the last date of harvest. Mature tubers exhibited significantly higher dry matter and specific gravity compared to immature ones. Tuber color was also significantly affected by time of harvest irrespective of varieties. The ‘BARI TPS-I’ gave highest tuber yield. ‘Fata pakri’ exhibited highest specific gravity and dry matter content. On basis of flesh color, ‘BARI TPS-I’, ‘Fata pakri’ and ‘Sadapakri’ were found suitable for chips. Bangladeshi potato farmers and processors will get benefited from the information generated regarding the appropriate harvesting time of local potatoes for processing industries.

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