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Pak. J. Bot., 42(4): 2747-2754, 2010. |
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Updated: 09-12-10 |
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Effect of cadmium and salinity stresses on root morphology of wheat
Mohammad Shafi1*, ZHANG Guoping2, Jehan Bakht1, Mohammad Aman Khan3, EJaz-uL-Islam4, mohammad dawooD khan5 and RAZIUDDIN1
Abstract: A hydroponics
experiment was conducted in the University of Zhejiang Hangzhou, China
to investigate the effect of salinity (NaCl) and cadmium (Cd) on root
morphology of different wheat cultivars differing in salt tolerance. Cd
and NaCl stress inhibited shoot and root dry weight, number of root tips
(lateral roots), total root length, root average diameter and total root
volume. Increasing concentration of Cd and NaCl had negatively affected
root morphology of all cultivars under study. The combined effect of Cd
and NaCl on these parameters was more than both Cd and NaCl alone. There
was an obvious difference in response to both stresses among the three
cultivars with Bakhtawar-92 being less affected. 1Agricultural University Khyber Pukhtunkhwa Peshawar, Pakistan 2Agronomy Department, Zhejiang University Huajiachi Campus, Hangzhou 310029, China 3Department of Pathology, LRH. Peshawar Pakistan 4Nuclear Institute of Agriculture, Tandojam 48800, Pakistan 5Kohat University of Science & Technology (KUST), Pakistan *Corresponding author E-mail: mshafi.aup@gmail.com |
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