Comparison of winter wheat genotypes differing in zinc efficiency and origin: the zinc uptake and enzyme activity
Zhang, Yue-Qiang and Yazıcı, Mustafa Atilla and Gökmen, Özay Özgür and Çakmak, İsmail and Zhang, Fu-Suo and Zou, Chun-Qin (2013) Comparison of winter wheat genotypes differing in zinc efficiency and origin: the zinc uptake and enzyme activity. Communications in Soil Science and Plant Analysis, 44 (19). pp. 2875-2883. ISSN 0010-3624 (Print) 1532-2416 (Online)
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Official URL: http://dx.doi.org/10.1080/00103624.2013.823983
Zinc (Zn)-efficient wheat genotypes yield well on Zn-deficient soil. In this study, two Chinese wheat genotypes, Kenong9204 and Han6172, and two reference genotypes, Bezostaja (Zn efficient) and BDME10 (Zn inefficient), from Turkey were conducted to measure their physiological responses to Zn deficiency in the greenhouse. Results showed obvious genetic variation among the genotypes with Zn efficiency from 76% to 105%. Bezostaja and Kenong9204 had greater shoot dry weight and accumulated more shoot Zn content than BDME10 and Han6172 without Zn application. In one aspect of enzyme activities, Bezostaja and Kenong9204 presented significantly greater activities of superoxide dismutase while maintaining similar activities of catalase, ascorbate peroxidase, and glutathione reductase compared with inefficient genotypes BDME10 and Han6172 under Zn-deficient condition. Zinc-efficient genotypes are recommended to satisfy the sustainable grain yield in China and other areas, where Zn deficiency in soil is spread and multiple stresses may happen at times.
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