Assessment of stability performance and G X E interaction for yield and its attributing characters in bread wheat (Triticum aestivum L.)
Abstract
The present study was undertaken to identify the stable genotypes for grain yield and yields related components with desirable performance under different environmental conditions taking forty wheat genotypes and were evaluated for two years (2017-19) with different dates of sowing. Pooled analysis of variance showed highly significant variations for genotypes, environments and genotypes x environments (G X E). Stability analysis for grain yield revealed that the genotypes LOK-1, NI-5439 and HUW-468 has a high mean value and non-significant regression coefficient (bi) and non-significant deviation from regression and found more stable across the four environments. Therefore the above mentioned genotypes were found most stable for grain yield and can be incorporated as breeding stocks in any future breeding programs aiming to produce high yielding lines of bread wheat.
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