Abstract
Experiments were conducted during 2012-2013 with eight sugarcane genotypes along with four commercial checks to study the phenotypic stability and regression of cane 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, cane yield and sugar yield. The genotypes SNK 07680 and SNK 07337 was found stable for cane yield (132.60 and 105.66 t ha-1 respectively), sugar yield (14.44 and 12.70 t ha-1) its component characters such as sucrose (16.81 and 16.31% respectively), whereas SNK 07680 found stable for CCS (11.98%). Genotype SNK 07658 showed adoptability to unfavorable environment for single cane weight, number of millable canes and sucrose as evident by its deviation from regression and regression coefficient. Regression analysis concluded that 81.13% of total cane yield was contributed by single cane weight and number of millable canes. Key words: Sugarcane, stability, G × E interaction, sucrose %.
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