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摘要:
This study was conducted to determine the performance of wheat landraces cultivated under organic conditions and to analyze their stability across diverse environments. Six wheat landraces with specific characteristics (high protein content, drought tolerance, stay green) were tested under organic growing environment. The experiments were applied in three locations (Larisa (LAR), Thessaloniki (THES), Kilkis (KIL)) for three growing seasons. The role of specific agronomic traits (stay green, lodging) and their correlation with yield components were analyzed. Stability and genotypic superiority for grain yield were determined using ANOVA and genotype × environment (GGE) biplot analysis. Furthermore, the interrelationships among wheat traits and genotype-by-trait using regression analysis, coefficient of variation and (GT)-biplot technique were studied. Significant differences were found in yield among wheat landraces tested, and also in yield components, as related to specific traits expressed into organic environment. Best varieties in terms of yield were the medium statured landraces Skliropetra and M. Argolidas, characterized by lowest weight of 1000 grains, large number of spikes per m2 meter and the highest number of grains per spike as compared to the other landraces. The statistical model GGE biplot provides useful information for experimentation of wheat landraces when grown under organic environment. It identifies clearly the ideal and representative environment for experimentation and underlines the effect of specific traits for each wheat cultivar on yield performance and stability across environments.
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篇名 Multienvironmental evaluation of wheat landraces by GGE Biplot Analysis for organic breeding
来源期刊 农业科学(英文) 学科 医学
关键词 WHEAT LANDRACES Stay Green LODGING GGE BIPLOT ANALYSIS
年,卷(期) 2012,(1) 所属期刊栏目
研究方向 页码范围 66-74
页数 9页 分类号 R73
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研究主题发展历程
节点文献
WHEAT
LANDRACES
Stay
Green
LODGING
GGE
BIPLOT
ANALYSIS
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
农业科学(英文)
月刊
2156-8553
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
1151
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