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American Journal of Biochemistry and Biotechnology
Year: 2009  |  Volume: 5  |  Issue: 4  |  Page No.: 162 - 169

Effect of Drought Stress and Methanol on Yield and Yield Components of Soybean Max (L 17)

Mojtaba Mirakhori, Farzad Paknejad, Foad Moradi, Mohammadreza Ardakani, Hossein Zahedi and Parisa Nazeri    

Abstract: Problem statement: In order to evaluate drought stress and methanol on yield and yield components of soybean in field experiments with factorial experiment inform of a randomized complete block design with three replication in field faculty of agricultural of Islamic Azad University Karaj, at 2008. First factor were sprayed aqueous solutions 0 (control), 7, 14.21, 28 and 35% (v/v) methanol by 3 times during growth season of soybean with 12 days intervals on shoot of soybean. Second factor were drought stress condition in two levels 40 and 70% base of depletion available soil moisture. Approach: This study measured grain yield, biomass HI, 1000 grain weigh, high plants, number of branch, diameter of stem, number of pod on plant, number of hollow pod. Results: Results of the experiment indicated that significant differences exist (p>0.05) between sprayed of solution methanol on parameters. Results also showed that was significant (p>0.05) differences between effect of drought stress levels on measured parameters. Effect of aqueous solution 14, 21 and 28% (v/v) methanol on measured parameters was greater than other treatments. Foliar application of 14 and 21% (v/v) methanol increased leaf area index, crop growth rate, pod growth rate, leaf area duration, pod yield, seed yield, weight of 1000 kernel, mature pods per plants. Conclusion: The lowest grain yield obtained in control and 35% (v/v) methanol treatments. Interaction effects were not significant.

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