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On-line Access: 2014-01-28

Received: 2013-01-31

Revision Accepted: 2013-05-07

Crosschecked: 2014-01-13

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Journal of Zhejiang University SCIENCE B 2014 Vol.15 No.2 P.181-193


Response of seed tocopherols in oilseed rape to nitrogen fertilizer sources and application rates* #

Author(s):  Nazim Hussain, Hui Li, Yu-xiao Jiang, Zahra Jabeen, Imran Haider Shamsi, Essa Ali, Li-xi Jiang

Affiliation(s):  . Key Laboratory of Crop Gene Resources of Zhejiang Province, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China

Corresponding email(s):   jianglx@zju.edu.cn

Key Words:  Oilseed rape (Brassica napus L.), Nitrogen rate, Urea, Ammonium nitrate, Tocopherol

Nazim Hussain, Hui Li, Yu-xiao Jiang, Zahra Jabeen, Imran Haider Shamsi, Essa Ali, Li-xi Jiang. Response of seed tocopherols in oilseed rape to nitrogen fertilizer sources and application rates[J]. Journal of Zhejiang University Science B, 2014, 15(2): 181-193.

@article{title="Response of seed tocopherols in oilseed rape to nitrogen fertilizer sources and application rates",
author="Nazim Hussain, Hui Li, Yu-xiao Jiang, Zahra Jabeen, Imran Haider Shamsi, Essa Ali, Li-xi Jiang",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Response of seed tocopherols in oilseed rape to nitrogen fertilizer sources and application rates
%A Nazim Hussain
%A Hui Li
%A Yu-xiao Jiang
%A Zahra Jabeen
%A Imran Haider Shamsi
%A Essa Ali
%A Li-xi Jiang
%J Journal of Zhejiang University SCIENCE B
%V 15
%N 2
%P 181-193
%@ 1673-1581
%D 2014
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1300036

T1 - Response of seed tocopherols in oilseed rape to nitrogen fertilizer sources and application rates
A1 - Nazim Hussain
A1 - Hui Li
A1 - Yu-xiao Jiang
A1 - Zahra Jabeen
A1 - Imran Haider Shamsi
A1 - Essa Ali
A1 - Li-xi Jiang
J0 - Journal of Zhejiang University Science B
VL - 15
IS - 2
SP - 181
EP - 193
%@ 1673-1581
Y1 - 2014
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B1300036

tocopherols (Tocs) are vital scavengers of reactive oxygen species (ROS) and important seed oil quality indicators. Nitrogen (N) is one of the most important fertilizers in promoting biomass and grain yield in crop production. However, the effect of different sources and application rates of N on seed Toc contents in oilseed rape is poorly understood. In this study, pot trials were conducted to evaluate the effect of two sources of N fertilizer (urea and ammonium nitrate). Each source was applied to five oilseed rape genotypes (Zheshuang 72, Jiu-Er-1358, Zheshuang 758, Shiralee, and Pakola) at three different application rates (0.41 g/pot (N1), 0.81 g/pot (N2), and 1.20 g/pot (N3)). Results indicated that urea increased α-, γ-, and total Toc (T-Toc) more than did ammonium nitrate. N3 was proven as the most efficient application rate, which yielded high contents of γ-Toc and T-Toc. Highly significant correlations were observed between Toc isomers, T-Toc, and α-/γ-Toc ratio. These results clearly demonstrate that N sources and application rates significantly affect seed Toc contents in oilseed rape.




Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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