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Analysis of agromorphological diversity of southern Tunisia faba bean (Vicia faba L.) germplasm

机译:突尼斯南部蚕豆种质的农艺多样性分析

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Forty two faba bean landraces (traditional farmers’ varieties) (Vicia faba?L.) from southern Tunisia, belonging to 8 oasis agro-ecosystems were assessed using morphological descriptors. The studied descriptors focused on?morpho-phenological and morpho-agronomical traits.?The data obtained is extracted on the basis of 35 descriptors of 42 populations from 8 localities, at a rate of 30 replications (plants) per population, in totality?of?1260 individuals. The data underwent an analysis of variance and a multivariate analysis. Significant differences among populations for the thirty five descriptors were observed. The multivariate analysis performed on averages of all parameters revealed eight main groups, and variation within the same oasis agro-ecosystems was extremely important. Particularly, the group of ‘Tozeur’ made up of five populations (P38, P39, P40, P41 and P42), and the group of ‘Medenine’ composed of seven populations (P19, P20, P21, P22, P23, P24 and P25)?showed?a special characters than the other populations especially for seedling characters. The geographical location did not seem to be the main factor structuring the variability of the studied landraces. There proved to be substantial phenotypic variability in the Tunisian faba bean germplasm.
机译:使用形态学描述子评估了来自突尼斯南部的42个蚕豆地方品种(传统农民品种)(野豌豆),它们属于8个绿洲农业生态系统。所研究的描述子集中在“形态-物候和形态-农艺性状”上。所获得的数据是根据来自8个地方的42个种群的35个描述子提取的,每个种群总共复制30(植物)。 1260个人。对数据进行方差分析和多变量分析。观察到在35个描述子之间的人群之间存在显着差异。对所有参数的平均值进行的多元分析揭示了八个主要类别,而在同一绿洲农业生态系统内的变异极为重要。特别是,“托泽尔”组由五个种群(P38,P39,P40,P41和P42)组成,“麦丁”组由七个种群(P19,P20,P21,P22,P23,P24和P25)组成)显示出比其他种群更多的特殊字符,尤其是幼苗字符。地理位置似乎并不是构成所研究的地方品种可变性的主要因素。在突尼斯蚕豆种质中已证明存在明显的表型变异。

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