Abstract
This study was executed to assess the twenty-one single cross maize hybrid with three local checks (BHM-12, BHM-13 and BHM-14) in five locations of Bangladesh for its adaptability and stability and also to study the genotypes and environment interaction. Yield data of twenty-four maize hybrids was analyzed through the additive main effects and multiplicative interaction (AMMI) and GGE biplot methods. Considering the grain yield, bi~1 and S2di~0 value it was observed that G10 and G16 were the higher yielder and suitable across the environments. On the other hand, G20 & G14 were higher yielder but were responsive to favorable environments. Among the five locations, the environment of Hathazari was the poorest, where as Barishal and Dinajpur were the most favorable environmental for maize production. When hybrids were compared with ideal genotypes it was observed that G14, G16, G10 and G20 were the close to the ideal genotypes so it was more desirable than other tested hybrids. The AMMI biplot indicated that G24, G16, G13, G17 and G14 were positioned adjacent to the biplot’s origin which indicated their stability in performance across environments. Finally, stability analysis with the help of GGE and AMMI statistics identified two hybrids G14 and G16 that could be used as reference for future crop improvement program.
Published Version
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