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首页> 外文期刊>Genetic Resources and Crop Evolution >Diversity of phenotypic (plant and grain morphological) and genotypic (glutenin alleles in Glu-1 and Glu-3 loci) traits of wheat landraces (Triticum aestivum) from Andalusia (Southern Spain)
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Diversity of phenotypic (plant and grain morphological) and genotypic (glutenin alleles in Glu-1 and Glu-3 loci) traits of wheat landraces (Triticum aestivum) from Andalusia (Southern Spain)

机译：安达卢西亚（西班牙南部）小麦地方品种（小麦）的表型（植物和谷物形态）和基因型（谷氨酸等位基因在Glu-1和Glu-3位点）性状的多样性

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Forty-six landraces from Andalusia, region in southern Spain, were characterized for plant, spike and grain morphology and for HMWGs and LMWGs composition. Up to five botanical varieties were identified among these materials based in four morphological traits. According to grain colour, nine accessions showed heterogeneity. The remaining morphological traits showed wide variation. The analysis for HMWGs and LMWGs showed that the variation of these lines indicates that up to 77 genotypes could be found in these 46 accessions. The analysis for the HMWGS, detected a novel allele for Glu-A1 (subunit 1 ''') found in four lines (BGE012113 var. aureum; BGE013163 var. hostianum; BGE012196 and BGE026948 var. lutescens), and for Glu-D1 (subunits 3*+ T2) present in only one line derived from the BGE036374, var. aestivum. For the LMWGs a new allele for the Glu-B3 locus was detected. The allelic variation at the Glu-1 and Glu-3 showed a clear risk of genetic erosion due to the low frequency of some alleles. The characterization of these landraces could permit the evaluation of the relationship between the uses of these flours and the composition of their seed storage proteins. The recovery of old varieties or landraces is significant for farmers who can plant the materials and benefit from their potential value in the marketplace.
机译：来自西班牙南部地区安达卢西亚的46种地方品种的植物，穗状花序和谷粒形态以及HMWG和LMWG的组成得到了表征。在这些材料中，根据四个形态学特征鉴定出多达五个植物学品种。根据籽粒颜色，九个种质表现出异质性。其余的形态性状表现出很大的差异。对HMWG和LMWG的分析表明，这些品系的变异表明，在这46个种质中可找到多达77个基因型。对HMWGS的分析发现了在四个品系（BGE012113变种金黄色葡萄球菌; BGE013163变种寄主; BGE012196和BGE026948变种lutescens）中发现的Glu-A1（亚基1'''）和Glu-D1（亚基3 * + T2）仅存在于BGE036374（var。小麦。对于LMWG，检测到Glu-B3基因座的新等位基因。由于某些等位基因的频率较低，在Glu-1和Glu-3处的等位基因变异显示出明显的遗传侵蚀风险。这些地方品种的特征可以评估这些面粉的用途与其种子贮藏蛋白组成之间的关系。对于能够种植材料并从市场中的潜在价值中受益的农民来说，恢复旧品种或地方品种意义重大。

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