PERFORMANCE OF PROMISING EARLY VARIETIES OF SUGARCANE (SACCHARUM SPP. HYBRID COMPLEX) AND THEIR ROLE TO BOOST SUGAR INDUSTRY UP IN WEST BENGAL, INDIA
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Sugarcane provides raw materials to the sugar industry (Khaitan India Ltd located at Plassey, Nadia) in West Bengal having very low cane crushing ability (69,000 Metric Ton) & recovery (5.1%) during 2017-18 leading to poor paying capacity to farmers. The main objective of this study is to introduce the newly released promising varieties of sugarcane with high sucrose and high recovery of commercial cane sugar and further testing of the varieties most suitable for this region. Replacing the existing old varieties like BO 130 and promoting early promising varieties is in urgent need to boost up the sugar industry is also one of the important objectives of this study. In this context, a field experiment was conducted during 2017-‘18 and 2018-’19 crop season at Sugarcane Research Station, Bethuadahari, Nadia, West Bengal, India to assess the performance of promising early varieties of Sugarcane on yield and quality of juice. The experiment was laid out in randomized complete block design with five early varieties (viz. CoLk 94184, CoSe 01421, Co 0232, CoB 99161 &CoSe 95422) and BO 130 as check with four replications. The data were recorded on single cane weight, number of millable canes, cane yield, brix (%), sucrose (%), Commercial Cane Ssugar(CCS%) and CCS yield. There were significant difference among the varieties for yield and yield attributing characters. Pooled analysis of the results showed that the early variety CoLk 94184 recorded the maximum Commercial Cane Sugar (CCS) yield (10.23t/ha) followed by CoB 99161, CoSe 95422, CoSe 01421 and Co0232, whereas minimum CCS yield (6.28t/ha) was found with the standard variety BO 130. Therefore, the replacement ofthe existing standard varieties with the promising new early varieties would be most economic and profitable and can easily boost up the sugar factory by increasing the recovery (%) and able to produce sugar of improved quality.