T. Shiferaw, Thomas Tsige, Adane Chofere, Shimles Gezahegn, K. Taye, Wami Hailu, B. Lakew
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引用次数: 0
摘要
本研究旨在评价有潜力的食用大麦基因型在籽粒产量和产量相关性状方面的表现。试验于2017年和2018年主季进行，采用随机完全区组设计，3个重复。采用方差分析和GGE双图分析了8种环境(地点和年份组合)下18种大麦基因型的产量数据中基因型与环境相互作用(G × E)的性质。综合方差分析(ANOVA)表明，所有性状的基因型、环境和环境互作效应均显著高于其他性状。因此，基因型EH1493 X HB1307 (G10)和HB1307 X ND25160 (G2)的平均产量最高，分别为4558 kgha -1和4499 kgha -1。GGE双图显示，G10在BK18、DB18和HO18环境下均为优胜基因型，在不同环境下均具有较好的产量稳定性。因此，G10是一个潜在的候选品种，可能会被纳入品种验证试验中。
Evaluation of Food Barley Genotypes for Grain Yield and Agronomic Traits in the Central Highlands of Ethiopia
The present study was undertaken to evaluate the performance of promising food barley genotypes for grain yield and yield related traits. The trial was conducted in 2017 and 2018 main cropping season using randomized complete block design with three replications. Variance analysis and GGE biplot were used to understand the nature of genotype × environment interaction (G × E) in a grain yield data collected from eighteen barley genotypes grown in eight environments (Location and year combinations). The combined analysis of variance (ANOVA) showed significantly higher genotype, environment and genotype by environment interaction effects for all the traits studied. Accordingly, genotypes EH1493 X HB1307 (G10) and HB 1307 X ND25160 (G2) showed the highest mean grain yield of 4558 kg ha -1 and 4499 kgha -1 , respectively. GGE biplot showed that G10 was the winner genotype at BK18, DB18 and HO18 environments and it has good grain yield stability across the testing environments. Therefore, G10 is a potential candidate variety to be included in the variety verification trial for possible release.
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