PROSPECTS OF COMMERCIAL HYBRIDS OF SUGARCANE (SACCHARUM SPP.) FOR BIOMASS AND BIOENERGY PRODUCTION POTENTIAL
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Authors
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S Vasantha
ICAR-Sugarcane Breeding Institute
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S Venkataramana
ICAR-Sugarcane Breeding Institute
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K Hari
ICAR-Sugarcane Breeding Institute
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R Arun kumar
ICAR-Sugarcane Breeding Institute
Abstract
Sugarcane crop is an efficient harvester of solar energy. As a renewable energy resource crop, assessment of energy production potential of sugarcane commercial hybrids, gives an estimate of energy availability as whole biomass or bagasse alone. The energy production potential was estimated in six popular varieties, whose photosynthetic rate and, light interception were more or less similar. The biomass production varied during different phenophases of the crop. The varietal difference was smoothened for total dry matter production at harvest, indicating compensatory ability of the hybrids in partitioning of the biomass to stalk. The estimated energy production potential (116322 kcal/m2Â (Co 86032) to 18856 kcal/m2 (Co 62175)) corresponding to the biomass as a whole is very high, while the bioenergy that can be obtained from stalk bagasse (14352 kcal/m2 to 16671 kcal/m2) still indicate variation for varieties, implying, varietal variability for energy purpose is strong. The leads are clear and the data emphasizes the importance of varietal identification for higher bioenergy production, efficiency as well as sustainability of commercial hybrids as dual purpose types.
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