GGE Stability Analysis of Seed Yield in Sunflower Genotypes (Helianthus annuus L.) in Western Amhara Region, Ethiopia

International Journal of Plant Breeding and Genetics Pub Date : 2016-02-01 DOI:10.3923/IJPBG.2016.104.109

C. Alem, Abebe Worku, Molla Mekonnen, Tazebachew Asres, Desalew Fentie, Esmelealem Mihiretu, Jemal Esmael

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引用次数: 6

Abstract

A suitable sunflower variety was developed with high yield and stability. A total of eleven sunflower genotypes including the standard and local checks were evaluated at Finoteselam, North Achefer and Ayehu from 2010-2013 cropping season. Randomized Complete Block Design (RCBD) with three replications was used. The results of variance analysis showed the significance of environmental variance compared to the genotype and GE interaction variances. Polygon view of GGE biplot revealed that X7 (Acc. 208768) was the genotype with the highest seed yield in five out of six environments. The Average Environment Coordinate (AEC) biplot showed that X7 (Acc. 208768) with the highest mean yield was a highly stable genotype as it was positioned close to the AEC abscissa. The biplot of comparison of the sunflower genotypes with the ideal genotype revealed that X7 (Acc. 208768) was the closest genotype to the ideal cultivar. Therefore, this genotype seems to be widely adapted across several environments and is released as an open pollinated variety for wider production in Western Amhara and similar agro ecologies.

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埃塞俄比亚西阿姆哈拉地区向日葵基因型种子产量的GGE稳定性分析

培育了一个产量高、稳定性好的向日葵适宜品种。2010-2013年种植季，在菲诺特塞拉姆、北阿切弗和阿耶胡共对11个向日葵基因型进行了标准检测和地方检测。采用随机完全区组设计(RCBD)，共3个重复。方差分析结果表明，环境方差较基因型和GE互作方差具有显著性。GGE双图的多边形图显示，X7 (Acc. 208768)是6个环境中5个环境中种子产量最高的基因型。平均环境坐标(AEC)双标图显示，平均产量最高的X7 (Acc. 208768)基因型位于AEC横坐标附近，是一个高度稳定的基因型。结果表明，X7 (Acc. 208768)基因型最接近理想品种。因此，该基因型似乎可以广泛适应多种环境，并作为开放授粉品种在西阿姆哈拉和类似的农业生态中广泛生产。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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International Journal of Plant Breeding and Genetics

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