Evaluation of physiological indices of salinity tolerance in forage Sorghum (Sorghum bicolor) lines
Journal Title: International Research Journal of Applied and Basic Sciences - Year 2012, Vol 3, Issue 2
Abstract
This experiment was conducted to evaluate salt tolerance of elit forage Sorghum (Sorghum bicolor) lines were KFS1, KFS2, KFS3, KFS4, MFS1, MFS2 and LFS56. In this experiment the varieties cultivated in saline and non-saline field conditions as factorial based on randomized complete block design with three replications during 2 years. Electrical conductivity of irrigation water were 2 and 11 dS.m-1 in non-saline and saline conditions, respectively. The effect of Year was significant in saline farm condition where as forage yield decreased in the second year compare to the first year. This reduction in total fresh yield was 6.5% and 39% for non-saline and saline condition, respectively. The KFS2 variety produced the maximum forage yield in non-saline condition by mean’s of 77.25 ton.ha-1 and then ordered KFS3 and KFS4 varieties. The KFS3 variety also produced the maximum forage yield in saline condition by mean’s of 55.63 ton.ha-1. Total forage yield of KFS2 variety was 49.44 ton.ha-1 in this condition and it had the highest yield in non-saline condition. The yield decreasing of KFS2 and KFS3 varieties were 36% and 24% in saline condition relative to non-saline condition, respectively. In addition, the KFS3 is the sustainable variety on upon of susceptible and tolerant indices and the KFS2 is the same as it.
Authors and Affiliations
Tabatabaei, S. A. | Faculty member, Agriculturale and Natural Resources Research Center of Yazd,Yazd, Iran., G. H. Ranjbar| Faculty member of Iranian National Salinity Research Center, Yazd, Iran. Corresponding, A. Anagholi| Faculty member of Iranian National Salinity Research Center, Yazd, Iran.
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