Changes in morphological and biochemical properties of Celtis caucasica L. mycorrhizal fungi-inoculated under drought stress condition
سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 131
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شناسه ملی سند علمی:
JR_CAS-2-4_001
تاریخ نمایه سازی: 25 بهمن 1400
چکیده مقاله:
Zagros forest in west of Iran have been destroying recently due to climate changes, dust, pests, local people using, grazing livestock and used more than ecosystem capacity. Accordingly these regions need to be recovering by reforestation resistance seedlings. For this purpose, influence of different arbuscular mycorrhizal fungi (AMF) included; Rhizophagus intraradices and Funneliformis mosseae as exotic fungi and two native, Funneliformis geosporum and Claroideoglomus etunicatum, as well as non-mycorrhizal(control) investigate to produced resistance seedling of Celtis caucasica L. under three water regimes (optimal irrigation, ۷۵ % of field capacity and water deficit, ۵۰% and ۲۵ % of field capacity) as factorial in a completely randomized design with ten replications. Mycorrhizal seedlings especial natives one, reveals that AMF significantly raised morphological and physiological traits sach as the fresh and dry weight of above and underground biomass, the length of the root, seedling height, colonization percentage, H۲O۲ and MDA content, CAT, SOD, POD activity, the content of chlorophyll a, b, total chlorophyll, and carotenoid. The concentration of H۲O۲ and MDA in inoculated plants was less than non-mycorrhizal plants under all irrigation regimes. The activity of antioxidant enzymes simultaneously increased with increasing drought stress, application of AMF caused a further increase in activity of them. The content of chlorophyll a, b, total chl, and carotenoid decreased with increasing water deficit. In AMF treatments, the content of these pigments was more in respect to control (non- mycorrhizal plants). Generally, we suggest that the effect of native mycorrhizal fungi was more and better than the exotic fungi and control. Thus, identifying the symbiosis between native mycorrhizal fungi and trees could be considered as an eminent step towards the restoration of degraded areas of plantations and forests.
کلیدواژه ها:
نویسندگان
Delnia Sepahvand
Department of Forestry, Faculty of Natural Resources, University of Tehran, Karaj, Iran
Mohammad Matinizadeh
Department of Forest, Research Institute of Forest and Rangeland, AREEO, Tehran, Iran
Vahid Etemad
Department of Forestry, Faculty of Natural Resources, University of Tehran, Karaj, Iran
Anoshirvan Shirvany
Department of Forestry, Faculty of Natural Resources, University of Tehran, Karaj, Iran
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