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Effect of Salicylic Acid Pretreatment on Yield, Its Components and Remobilization of Stored Material of Wheat under Drought Stress

Author

Listed:
  • Mehran Sharafizad
  • Ahmad Naderi
  • Seyed Ata Siadat
  • Tayeb Sakinejad
  • Shahram Lak

Abstract

Due to higher needs of food in growing populations leads to accelerate the efforts of food production now days.  Yield which is obtained from cereal farm is not at the amount of what we expected from their genetic potential. So it is possible to use different agro-techniques to increase total yield and help the crops to reach their genetic potential. In order to investigate the effect of salicylic acid on total yield and yield component of wheat under stress condition an experiment was conducted base on split factorial design with three replications. Treatments were drought stress at three levels (control, drought stress in mid florescence and drought stress in grain filling stage). Second treatment was application of salicylic acid as a priming agent, foliar application at beginning of tillering and foliar application of salicylic acid at beginning of flowering, and the third treatment was different dosage of salicylic acid (0, 0.7, 1.2 and 2.7 mmol). Results of experiment showed that drought stress significantly decreased grain yield, efficiency of material distribution while the highest grain yield was obtained at non-stressed condition with application of 0.7 mmol Salicylic acid. The highest redistribution of stored material, redistribution efficiency and partitioning was at time of salicylic application in vegetative stage, whereas the highest proportion of the metabolism in the grain yield observed in control condition (without stress). Grain yield exhibited high and positive correlation with number of spikes in m2, number of grain in spike, biological yield and harvest index.

Suggested Citation

  • Mehran Sharafizad & Ahmad Naderi & Seyed Ata Siadat & Tayeb Sakinejad & Shahram Lak, 2012. "Effect of Salicylic Acid Pretreatment on Yield, Its Components and Remobilization of Stored Material of Wheat under Drought Stress," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 4(10), pages 115-115, August.
  • Handle: RePEc:ibn:jasjnl:v:4:y:2012:i:10:p:115
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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