Variability for grain minerals in parental lines of wheat mapping populations

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Abstract

Wheat is a staple cereal and an important source of minerals in human diets. Mineral content in the wheat grain has a genetic basis, but the trait is also influenced by environmental factors [1]. Many efforts have been devoted to increase the content of some elements such as Fe, Zn, Mn and Cu, which have a physiological function in the organism. In particular, mapping populations and genetic linkage maps have been suggested as a useful tool in breeding programs [2]. The present work was undertaken to evaluate by ICPOES the variation in macronutrients (Ca, Mg, K), micronutrients (Zn, Fe, Cu, Mn) and toxic trace elements (Cd, Pb) in the whole grains of 29 wheat accessions and cultivars, representative of old and modern wheat germplasm. All 29 lines were the parentals of existing mapping populations [3] and were grown in two different sites in Italy, in 2013/14 and in 2014/15 seasons. Multivariate Analysis (MVA) of data showed interesting differences in the mineral content for the considered sites, harvesting seasons and grain cultivars.[1] Gomez-Becerra HF, Yazici A, Ozturk L, Budak H, Peleg Z, Morgounov A, Fahima T, Saranga Y, Cakmak I. Genetic variation and environmental stability of grain mineral nutrient concentrations in Triticum dicoccoides under five environments. Euphytica 2010, 171:39-52. [2] Srinivasa J, Arun B, Mishra VK, Singh GP, Velu G, Babu R, Vasistha NK, Joshi AK. Zinc and iron concentration QTL mapped in a Triticum spelta × T. aestivum cross. Theor Appl Genet 2014, 127:1643-1651 [3] Pasqualone A, Piarulli L, Mangini G, Gadaleta A, Blanco A, Simeone R. Quality characteristics of parental lines of wheat mapping populations. Agric Food Sci 2015, 24: 118-127.

Autore Pugliese

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  • Del Coco L.; Laddomada B.; Migoni D.; Mita G.; Simeone R.; Fanizzi F.P.

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Anno di pubblicazione

2015

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ISBN

978-88-902152-7-8

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