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Pakistan Journal of Biological Sciences

Year: 2000  |  Volume: 3  |  Issue: 12  |  Page No.: 2055 - 2057

Salinity Tolerance of Rice as Affected by Zn Application

Iqbal M., M. Aslam, A. M. Ranjha and J. Akhtar

Abstract

In a solution culture study two rice varieties i.e. KS-282 (salt tolerant) and BG 402-4 (salt sensitive) were grown to determine the effect of Zn applied @ 1, 10, 100 and 1000 nM ZnSO4 on shoot fresh weight and concentration of Na, K, Cl, Zn and P, when exposed to NaCl salinity (0 and 70 mol m-3 NaCl). Addition of Zn caused increase in shoot fresh weight under both saline and non-saline conditions, however growth was higher under O salinity. Concentration of Zn, P and K were increased while those of Na and Cl decreased in shoot under saline conditions. Salt tolerance rice maintained low concentration of Na, Cl and P but higher that of Zn and K.

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