Performance of Maize Genotypes on the Basis of Stability Analysis in Pakistan

Determination of check genotypes for maize biomass and grain production on the tidal swamp acid soil environment was randomly picked among the genotypes, regarding of the lack information about check genotypes characteristics on tidal swampland. This study aimed to analyze maize check genotype characteristics on a tidal swamp. Five check genotypes (open-pollinated variety=Sukmaraga, hybrid variety=P27, elite lines=NEI9008, elite lines=MR14, three-way cross hybrid=Bima20URI) was planted among 150 maize lines, tested on tidal swampland in three environment treatment (saturated soil culture/SSC, saturated soil culture+temporary flooding/SSC+TF, and acid dry land/DL). Augmented Randomized Complete Block Design (Augmented RCBD) with five replications was used for this experiment. Data were analyzed using PBSTAT-CL 2.1 statistic tool. The result showed that SSC was the most suitable land management technique for maize plant crops in tidal swamp acid soil. Bima20URI grain biomass production was high in SSC land management of tidal swamp environment. Meanwhile, P27 hybrid variety was ideal for all treatments and adaptable to stressed environment. Sukmaraga was unstable genotype on the and declined on SSC+TF but suitable for SSC. NEI9008 genotypes have high productivity in stressed environments, and MR14 line genotype has stable grain production in every treatment environment yet has lower grain productivity.

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The performance of true seed shallot lines under different environments of Ethiopia

Aklilu

2014

J AGR SCI BELGRADE

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Seven true seed shallot lines were evaluated for 3 years at 3 locations to determine their performance and stability. Stability differences were assessed on the basis of linear regression of the lines on environmental index and on deviation from linear function along with the mean yield. The combined analysis showed that bulb yield over 9 environments ranged from 15.1 to17.5 t ha -1 with overall mean yield of 16.5 t ha -1 , and lines Vethalam, Tropix, Dz-94 and Athlas gave the highest mean yield. The combined analysis of variance showed significant (p<0.05) genotype and genotype by environment effects on bulb yield. The regression coefficient for bulb yield ranged from 0.72 to 1.36. The regression coefficient of two high yielding lines (Vethalam and Athlas) was above 1, and was higher in environments where growing conditions were favorable. High and significant deviations were obtained for lines Tropix and Athlas and these lines were found unstable to change in environment. However, line Tropix showed specific adaptation to low yielding environments of Kulumsa and Melkassa. The best line Vethalam with a small deviation from regression was found widely adaptable to different environments and it was released with local name ‛Yeras' to be grown in Rift Valley and similar areas in Ethiopia.

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Performance of Maize Genotypes on the Basis of Stability Analysis in Pakistan

Cited by 5 publications

References 4 publications

Chemical performance of multi-environment trials in lens (Lens culinarisM.)

Chemical performance of multi-environment trials in lens (Lens culinarisM.)

Description of maize check genotypes stability for selection on tidal swamp-land for grain production

The performance of true seed shallot lines under different environments of Ethiopia

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