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An investigation was carried out at Agricultural Research Station, Pahartali, Chittagong during February to August 2002 to select suitable size of planting material and proper time of earthing-up to obtain higher yield of Mukhi Kachu. Three planting materials, primary corm (40g), half cut corm (20g), and secondary corm (10g) and four times of earthing-up, 1 month, 2 months, 3 months, and 4 months after planting were used. Different planting materials showed significant difference on weight of total corms/plot, weight of total cormels/plot and cormel yield. Different times of earthing-up showed significant effects on the parameters studied except no. of cormels/hill and weight of cormels/hill. The highest (3.71 t/ha) corm yield was obtained when primary corms were planted and earthing-up was done three months after planting. The combination of P1E ( primary corm x 3 months after planting) gave the highest (8.37 t/ha) cormel yield. Key Words: Mukhi Kachu; corm; cormel; planting material; earthing-up.  DOI: 10.3329/bjar.v34i2.5798 Bangladesh J. Agril. Res. 34(2): 263-267, June 2009

Effects of planting material and earthing-up on yield and yield contributing attributes of Mukhi Kachu