Inter-plant spacing on the yield of transplanted sugarcane [in Bangladesh]
1989
Uddin, M.M. | Saha, S.C. | Islam, M.J. (Sugarcane Research and Training Inst., Ishurdi, Pabna (Bangladesh). North Regional Station, Thakurgaon)
An experiment was conducted in the Old Himalayan Piedmont Plain soil under irrigated parameters in five sugarcane varieties, such as Isd-2/54, Isd-18, Isd-19, Co-63015 and Isd- 20. Forty five days old settings raised in polybag were transplanted with two interplant spacings of 30 cm and 60 cm. All the varieties produced the highest tillers in May at both the spacings which gradually declined due to tiller mortality. Closer interplant spacing resulted in higher tiller mortality than wider inter plant spacing. Tiller mortality was the highest in Isd-18, and the lowest in Isd-20. Higher cane and sugar yield number of millable canes and lower sucrose concentration were obtained at closer spacing in all the varieties. Lower sucrose concentration was found at higher population. The highest sugar yield was obtained from Isd-18 followed by Isd-20 at both the spacings. Sugar yield was directly associated with sucrose concentration, number of millable cane and cane yield.
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