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Journal of Zhejiang University SCIENCE B 2007 Vol.8 No.1 P.20~26


Effect of calcium and light on the germination of Urochondra setulosa under different salts

Author(s):  SHAIKH Faiza, GUL Bilquees, LI Wei-qiang, LIU Xiao-jing, KHAN M. Ajmal

Affiliation(s):  Department of Botany, University of Karachi, Karachi 75270, Pakistan; more

Corresponding email(s):   liweiq59@hotmail.com

Key Words:  Calcium, Germination, KCl, MgSO4, NaCl, Na2SO4, Urochondra setulosa

SHAIKH Faiza, GUL Bilquees, LI Wei-qiang, LIU Xiao-jing, KHAN M. Ajmal. Effect of calcium and light on the germination of Urochondra setulosa under different salts[J]. Journal of Zhejiang University Science B, 2007, 8(1): 20~26.

@article{title="Effect of calcium and light on the germination of Urochondra setulosa under different salts",
author="SHAIKH Faiza, GUL Bilquees, LI Wei-qiang, LIU Xiao-jing, KHAN M. Ajmal",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Effect of calcium and light on the germination of Urochondra setulosa under different salts
%A GUL Bilquees
%A LI Wei-qiang
%A LIU Xiao-jing
%A KHAN M. Ajmal
%J Journal of Zhejiang University SCIENCE B
%V 8
%N 1
%P 20~26
%@ 1673-1581
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.B0020

T1 - Effect of calcium and light on the germination of Urochondra setulosa under different salts
A1 - SHAIKH Faiza
A1 - GUL Bilquees
A1 - LI Wei-qiang
A1 - LIU Xiao-jing
A1 - KHAN M. Ajmal
J0 - Journal of Zhejiang University Science B
VL - 8
IS - 1
SP - 20
EP - 26
%@ 1673-1581
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.B0020

Urochondra setulosa (Trin.) C.E. Hubbard is a coastal halophytic grass thriving on the coastal dunes along the Pakistani seashore. This grass could be useful in coastal sand dune stabilization using seawater irrigation. The purpose of this investigation was to test the hypothesis that Ca2+ (0.0, 2.5, 5.0, 10.0 and 50.0 mmol/L) alleviates the adverse effects of KCl, mgSO4, naCl and na2SO4 at 0, 200, 400, 600, 800 and 1000 mmol/L on the germination of Urochondra setulosa. Seed germination was inhibited with increase in salt concentration with few seeds germinated at and above 400 mmol/L concentration. No seed germinated in any of the KCl treatments. Inclusion of CaCl2 substantially alleviated the inhibitory effects of all salts. germination was higher under photoperiod in comparison to those seeds germinated under complete darkness. Among the CaCl2 concentrations used, 10 mmol/L was most effective in alleviating salinity effects and allowing few seeds to germinate at 1000 mmol/L KCl, mgSO4, naCl and na2SO4 solution.

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


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