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CLC number: S634.3

On-line Access: 2013-04-03

Received: 2012-08-05

Revision Accepted: 2012-12-04

Crosschecked: 2013-03-19

Cited: 2

Clicked: 4975

Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE B 2013 Vol.14 No.4 P.309-317


Variation in glucosinolates in pak choi cultivars and various organs at different stages of vegetative growth during the harvest period

Author(s):  Biao Zhu, Jing Yang, Zhu-jun Zhu

Affiliation(s):  Department of Horticulture, Zhejiang University, Hangzhou 310058, China; more

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

Key Words:  Glucosinolate, Pak choi, Cultivar, Organ, Growth stage

Biao Zhu, Jing Yang, Zhu-jun Zhu. Variation in glucosinolates in pak choi cultivars and various organs at different stages of vegetative growth during the harvest period[J]. Journal of Zhejiang University Science B, 2013, 14(4): 309-317.

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author="Biao Zhu, Jing Yang, Zhu-jun Zhu",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

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%T Variation in glucosinolates in pak choi cultivars and various organs at different stages of vegetative growth during the harvest period
%A Biao Zhu
%A Jing Yang
%A Zhu-jun Zhu
%J Journal of Zhejiang University SCIENCE B
%V 14
%N 4
%P 309-317
%@ 1673-1581
%D 2013
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1200213

T1 - Variation in glucosinolates in pak choi cultivars and various organs at different stages of vegetative growth during the harvest period
A1 - Biao Zhu
A1 - Jing Yang
A1 - Zhu-jun Zhu
J0 - Journal of Zhejiang University Science B
VL - 14
IS - 4
SP - 309
EP - 317
%@ 1673-1581
Y1 - 2013
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B1200213

glucosinolates (GSs) play an important role in plant defense systems and human nutrition. We investigated the content and composition of GSs in the shoots and roots of seven cultivars of pak choi. We found that ‘Si Yue Man’ had the highest total and aliphatic GS contents in the shoots and the highest benzenic GS content in the roots, ‘Shanghai Qing’ contained the highest amounts of benzenic and total GS contents in the roots, while ‘Nanjing Zhong Gan Bai’ had the lowest benzenic, indole, and total GS contents in both the shoots and roots. Therefore, the ‘Si Yue Man’ cultivar appears to be a good candidate for future breeding. Variation between the shoots and roots was also examined, and a significant correlation among the total, aliphatic, and some individual GSs was found, which is of value in agricultural breeding. GS concentrations of the leaf, petiole, and root increased dramatically during the period of rapid growth of the dry matter of the plant 10 to 20 d after transplantation, reaching peak values on Day 20 and decreasing on Day 25. We conclude that the pak choi should be harvested and consumed from 20 to 25 d after transplantation to take advantages of the high GS content in the plant.

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


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