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首页> 外文期刊>Turkish Journal of Agriculture & Forestry >The relationships of some traits in Turkish winter bread wheat landraces
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The relationships of some traits in Turkish winter bread wheat landraces

机译：土耳其冬面包小麦地方品种某些性状的关系

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In this study, 42 bread wheat pure lines obtained from 340 landraces, collected from 35 provinces of 7 regions in Turkey, and 7 modern bread wheat cultivars were evaluated under rainfed conditions in Konya, in 2005-2006 and 2006-2007 growing seasons. Experiments were conducted in a 7 x 7 lattice design in 3 replicates. Both genotype-traits (GT) biplot analysis and path analysis were used to investigate the relationships between grain yield and 12 traits. Applying both types of analyses to the multiple traits data revealed that GT biplot graphically displayed the interrelationships among traits (breeding objectives), identified traits that are positively or negatively associated, and facilitated visual comparison trait profiles (strength and weakness) of genotypes, which is important for parent as well as variety selection. Vast variations existed in traits (number of grains m(-2), harvest index, number of spikes m(-2), number of grains spike(-1), and weight of grains spike(-1) and biological yield) and grain yield. It was found that either pure lines or cultivars with the highest grain yield had the highest biological yield, number of grain m(-2), and harvest index. The results showed that pure lines combined with favorable traits G43 (Kars-TR15796-7), G33 (Kars-TR15796-4), G20 (Kutahya-TR55167-3), and G11 (Kutahya-TR55212-4) can be evaluated in multi-environment trials for a candidate winter bread wheat registration trial. Some pure lines that had high quality traits G26 (Samsun-TR37926-3), G45 (Erzurum-TR32881-6) and G49 (Erzurum-TR32668-1) might be good parents for enhancing quality in bread wheat. In conclusion, for the short-term improvement of Turkish bread wheat landraces may be possible through an indirect selection of the number of grain m(-2) and biological yield, or direct selection for grain yield per se. In the long-run, crossing programs between indigenous and introduced exotic germplasm may be necessary for high industrial quality characters of bread wheat.
机译：在这项研究中，在2005-2006年和2006-2007年生长季节，在雨育条件下，评估了从土耳其7个地区的35个省收集的来自340个地方品种的42个面包小麦纯系和7个现代面包小麦品种。实验以7 x 7格子设计进行，一式三份。基因型性状（GT）双图分析和路径分析均用于研究谷物产量与12个性状之间的关系。将这两种类型的分析应用于多种性状数据后发现，GT双谱图以图形方式显示了性状（育种目标）之间的相互关系，确定了正相关或负相关的性状，并促进了基因型的视觉比较性状概况（强度和弱点），即对于父母以及品种选择都很重要。性状（籽粒的数量m（-2），收获指数，穗数的数量m（-2），穗粒的数量（-1），穗粒的重量（-1）和生物学产量）存在很大的差异，并且谷物产量。结果发现，无论是纯系还是籽粒产量最高的品种，其生物产量，籽粒m（-2）数量和收获指数都最高。结果表明，可以在纯系中评估具有良好性状的G43（Kars-TR15796-7），G33（Kars-TR15796-4），G20（Kutahya-TR55167-3）和G11（Kutahya-TR55212-4）候选冬小麦注册试验的多环境试验。一些具有优良品质特性的纯系G26（Samsun-TR37926-3），G45（Erzurum-TR32881-6）和G49（Erzurum-TR32668-1）可能是提高面包小麦品质的良好亲本。总之，为了短期改善土耳其面包小麦的地方品种，有可能通过间接选择谷物m（-2）的数量和生物产量，或直接选择谷物本身的产量。从长远来看，本地化和引进的外来种质之间的杂交计划对于面包小麦的高工业品质特性可能是必要的。

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