PJB-2011-30
GGE BIPLOT ANALYSIS OF ADVANCED BREAD WHEAT LINES ACROSS DIFFERENT SITES OF PAKISTAN
M. YAQUB MUJAHID*, ZAHEER AHMAD, M. ASHRAF, M. ANWAR KHAN, M. ASIF AND MAQSOOD QAMAR
Abstract
Ten advance bread wheat lines along with local check were evaluated at seven diverse sites. The environment accounted for 79% of total sum of squares while GxE interaction variance was found 8% and for genotypes 2%. Cluster analysis showed that genotypes and environments could be separated into 5 and 4 respectively of different response pattern across environments and across genotypes. The genotypes NR-310 and NR-314 were different from the remaining genotypes in their response across the environments. The genotypes NR-305 and NR-306, being in the bottom right quadrant, gave the highest average yield and were defined as widely adapted for the sites. This study provides valuable information about the performance of elite wheat lines at different sites of the country to be considered potential breeding material.
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