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  1 - Effects of PGPR application methods on biological yield and Chl a+b content of Yarrow (Achilea millefolium L.) under drought stress conditions
  ahmad mirjalili
  In order to study the effects of PGPR application methods on biological yield and Chl a+b content of Yarrow (Achilea millefolium L.) under drought stress conditions an experiment was performed at Islamic Azad University, Yadegar-e-Imam Khomeini (RAH) Shahre-Rey Branch. More

  In order to study the effects of PGPR application methods on biological yield and Chl a+b content of Yarrow (Achilea millefolium L.) under drought stress conditions an experiment was performed at Islamic Azad University, Yadegar-e-Imam Khomeini (RAH) Shahre-Rey Branch. This experiment was carried out as a split plot based on randomized completely randomized block design with three replications. Experimental factors were included irrigation regimes as the main plot in three levels (50, 90 and 130 mm evaporation from a class pan) and PGPR application methods in four levels (Non application, root inoculation, application in irrigation water, and root inoculation+ application in irrigation) as the subplot. The results indicated that, simple effect of irrigation and PGPRS were significant on experimented traits but the interaction effects were meaningful only on biological yield content at 5% level of Probability. In this case, drought stress decrease both biological yield and Chl a+b content of yarrow. The treated plants with PGPRS had more evaluated traits compare to control. The results revealed that root inoculation + PGPR application in irrigation were more effective than the other application methods for decreasing harmless effects of drought. So the highest biological yield content (7142 kg/hec) belonged to the normal irrigation condition (50 mm irrigation regime) and 4th level of PGPR application method (root inoculation+ application in irrigation). and the highest Chl a+b content (3.7767 Mg per gram of fresh weight) belonged to the normal irrigation condition (50 mm irrigation regime) and 4th level of PGPR application method (root inoculation+ application in irrigation). Manuscript profile
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  2 - Effects of PGPR application methods on Proline and soluble sugars content of Yarrow (Achileamillefolium L.) under drought stress conditions
  Ahmad Mirjalili Alireza Pazoki Abolfazl Rashidi Asl
    In order to study the Effects of PGPR application methods on Proline and soluble sugars content of Yarrow (Achillea millefolium L.) under drought stress conditions an experiment was performed at Islamic Azad University, Yadegar-e-Imam Khomeini (RAH) Shahre-Rey Br More

    In order to study the Effects of PGPR application methods on Proline and soluble sugars content of Yarrow (Achillea millefolium L.) under drought stress conditions an experiment was performed at Islamic Azad University, Yadegar-e-Imam Khomeini (RAH) Shahre-Rey Branch. This experiment was carried out in a split plot arrangement with randomized complete block design in three replications. Experimental factors were included irrigation regimes as the main plot in three levels including 50, 90 and 130 mm evaporation from A class pan, and PGPR application methods in four levels including, Non application, root inoculation, application in irrigation water, and root inoculation+irrigation in irrigation water methods as the subplot. The results indicated that, simple effects of irrigation and PGPRS were significant on experimented traits but the interaction effects were meaningful only on Proline content at 5% level of Probability. In this case, drought stress increased Proline and soluble sugars in yarrow. The treated plants with PGPRS had less Proline and soluble sugars compare to control. The results revealed that root inoculation + application in irrigation water were more effective than without application methods for decreasing harmless effects of drought. So the lowest Proline (2.0833 mg/g FW) belonged to non-stress and root inoculation+irrigation PGPR application methods treatment and the lowest soluble sugars (8.663 mg/g FW( belonged to non-stress and PGPR application in irrigation water methods treatment Manuscript profile