Characterizing barley seed macro- and micro-nutrients under multiple environmental conditions

W.T. Xue; A. Gianinetti; R. Wang; Z.J. Zhan; J. Yan; Y. Jiang; T. Fahima; G. Zhao; J.P. Cheng

doi:10.1556/0806.44.2016.031

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Cereal Research Communications

Volume/Issue:: Volume 44: Issue 4

Characterizing barley seed macro- and micro-nutrients under multiple environmental conditions

Authors:

W.T. Xue

W.T. Xue Guizhou University, Guiyang, Guizhou 550025, China

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A. Gianinetti

A. Gianinetti Genomics Research Centre, Fiorenzuola d’Arda, PC 29017, Italy

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R. Wang

R. Wang Guizhou University, Guiyang, Guizhou 550025, China

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Z.J. Zhan

Z.J. Zhan Guizhou University, Guiyang, Guizhou 550025, China

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J. Yan

J. Yan Chengdu University, Chengdu, Sichuan 610106, China

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Y. Jiang

Y. Jiang Guizhou University, Guiyang, Guizhou 550025, China

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T. Fahima

T. Fahima University of Haifa, Haifa 31905, Israel

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G. Zhao

G. Zhao Chengdu University, Chengdu, Sichuan 610106, China

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zhaogang@cdu.edu.cn

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J.P. Cheng

J.P. Cheng Guizhou University, Guiyang, Guizhou 550025, China

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Pages:: 639–649

Online Publication Date:: Dec 2016

Publication Date:: 01 Dec 2016

Article Category:: Research Article

DOI:: https://doi.org/10.1556/0806.44.2016.031

Keywords:: seed component; macro-nutrient; micro-nutrient; genotype × environments interactions; carbon/nitrogen ratio; Hvm74

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Crop seeds are the main staples in human diet, especially in undeveloped countries. In any case, the diet needs to be rich not only in macro-nutrients like carbohydrates and protein, but also in micro-nutrients. Nevertheless, both the macro- and micro-nutrients presented in seeds largely vary in consequence of field and environment conditions. In this research, 60 lines of a barley RILs population segregating for the SSR marker Hvm74, which is genetically linked to the GPC (grain protein content) locus (HvNAM-1), were studied in 4 environments (two growing years and two field managements) by carrying out a comprehensive profile of seed macro- (starch, total nitrogen and total soluble protein) and micro-nutrients (phytate, phenolics, flavonoids, P_i, Zn and Fe). Under field conditions, all the components were largely affected by the environment, but TN (total nitrogen) exhibited high genotype contribution, while micro-nutrients displayed higher genotype × environments interactions (GEI) than macro-nutrients. In order to approach the effects of carbon-nitrogen (C–N) balance on other seed components, two C/N ratios were calculated: C/TN (CNR1) and C/TSP (CNR2). CNR2 exhibited stronger negative correlations with all micro-nutrients. Hence, the significant GEI and its negative relationships with CNR2 highlighted the different characters of micro-nutrients in barley seeds.

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Cereal Research Communications A Quarterly of the Cereal Research Non-Profit Ltd. Company

Print ISSN:: 0133-3720

Online ISSN:: 1788-9170

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Cereal Research Communications
Language	English
Size	A4
Year of Foundation	1973
Volumes per Year	1
Issues per Year	4
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0133-3720 (Print)
ISSN	1788-9170 (Online)