2014•Indian Journal of Genetics and Plant Breeding (The)Open access
Stability analysis of cane and jaggery yield in elite sugarcane genotypes ( Saccharum spp.)
Somashekar Guddadamath, Sanjay Bandu Patil, B. M. Khadi
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Abstract
An investigation was carried out with eight sugarcane genotypes along with four checks to study the phenotypic stability of cane yield, jaggery yield and its components under four environments. The G × E component of variation was significant for single cane weight, number of millable canes, commercial cane sugar percent (CCS %), cane yield, sugar yield, jaggery yield and per cent jaggery recovery. The genotypes, SNK 07680 and SNK 07337 were found stable for cane yield (132.60 and 105.66 t/ha, respectively), sugar yield (14.44 and 12.70 t/ha, respectively) its component characters such as sucrose percentage (16.81 and 16.31, respectively). The genotype SNK 07680 was stable for CCS% (11.98). Genotype SNK 07658 showed adaptability to unfavorable environment for single cane weight, number of millable canes and sucrose percentage. SNK 07680 and SNK 07337 genotypes were stable for jaggery recovery (10.09 and 9.60% respectively) and jaggery yield (13.71 t/ha and 11.44 t/ha respectively).