نهمین کنفرانس ملی و اولین کنفرانس بین المللی فیزیولوژی گیاهی

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کد مقاله 1058

عنوان Enzymatic and non-enzymatic reactions of grapevine (Vitis vinifera L.) antioxidant system in response to Streptomyces and mycorrhizal application under salinity

نویسندگان Arefeh Noori - Rouhollah Karimi

چکیده Arbuscular mycorrhizal fungi (AMF) and plant growth-promoting rhizobacteria (PGPR) have positive impacts on growth and production of plants under saline condition. However, their interactive effects on plant behavior under salt stress remained unclear. To address this, a glasshouse experiment was conducted to elucidate the effect of the single and combined (co-inoculation) application of Glomus mosseae (Gm) AMF and Streptomyces rimosus (Sr) PGPR on enzymatic and non-enzymatic antioxidant system of Sultana grapevine (Vitis vinifera L.) under salt tolerance. Based on results, among salt stressed plants, the single inoculated vines with Gm AMF showed the highest total phenol and flavonoid content compared to control plants. Under saline condition, co-inoculation with Gm AMF and Sr PGPR increased catalase and guaiacol peroxidase activity by 45%, 26%, 30% and 53% compared with control uninoculated plant. Therefore, combined application of Gm AMF and Sr PGPR assisted host plants to uptake higher nutrients during salt stress; confer salt tolerance to vines by increase in morphometric traits.

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