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<p> The objective of this study was to investigate the effects of <i>Glomus intraradices</i> and<i>Glomus versiforme</i> inoculation and their symbiotic interactions on alleviating water-deficit stress in <i>Aloe vera</i>. The study examined how these arbuscular mycorrhizal fungi modulate growth parameters and key physiological responses under drought conditions. The findings provide a scientific basis for applying beneficial microbial associations to enhance drought tolerance in <i>Aloe vera</i>. To investigate the effect of water deficit and soil-based fungi inoculation on <i>Aloe vera,</i> a factorial experiment was conducted. Water deficit treatments included: field capacity (FC: 37.2 % volumetric water content (VWC), and irrigation at a weekly (16.5% VWC), and biweekly intervals (7.9 % VWC). Fungal treatments were <i>Glomus intraradices</i> and <i>Glomus versiforme</i>. The experiment followed a completely randomized design in the research greenhouse of Azarbaijan Shahid Madani University, Iran, in 2024. The results showed that the co-treatments affected plant biomass, fresh and dry weight of gel, leaf length, and width, carotenoids content, H<sub>2</sub>O<sub>2</sub>, malondialdehyde, total soluble solids, proline, flavonoids, zinc and iron content, and catalase activity. Irrigation at FC and weekly interval + both fungi increased fresh and dry weight of the plant and gel, and leaf diameter and length. Catalase activity improved with weekly or biweekly water deficit + both fungi, and with biweekly intervals + <i>Glomus versiforme</i>. The highest zinc and iron content was recorded at FC + both fungi<i>.</i>The highest soluble solids and proline content were seen with a weekly irrigation + both fungi or a biweekly irrigation without fungi. Biweekly irrigation without fungi or with <i>Glomus versiforme,</i> enhanced H<sub>2</sub>O<sub>2</sub>content. Both fungi elevated leaf number, root biomass, aloin B, total aloin, relative water content, total phenolics content, nitrogen, phosphorus, potassium, calcium, and magnesium content of the plants. The most recorded root weight, leaf number, chlorophyll b, nitrogen, phosphorus, and potassium content belonged to FC and weekly irrigation. Generally, a biweekly irrigation regime was detrimental to plants. The co-inoculation of fungi promisingly influenced the growth and physiological responses of plants under the FC condition and with weekly irrigation. Overall, the fungi treatments with complementary field studies would be advisable for the extension and production section.</p>

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Tackling Water Deficit Stress in Aloe Vera L. By Inoculation of Glomus Intraradices and Glomus Versiforme

  • 期刊论文

  • 发表日期：

    2026年1月3日

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  • Doaa Hatem Hussein,
  • Lamia Vojodi Mehrabani,
  • Kambiz Azizpour,
  • Mohammad Bagher Hassanpouraghdam,
  • Alireza Tarinejad

摘要

The objective of this study was to investigate the effects of Glomus intraradices andGlomus versiforme inoculation and their symbiotic interactions on alleviating water-deficit stress in Aloe vera. The study examined how these arbuscular mycorrhizal fungi modulate growth parameters and key physiological responses under drought conditions. The findings provide a scientific basis for applying beneficial microbial associations to enhance drought tolerance in Aloe vera. To investigate the effect of water deficit and soil-based fungi inoculation on Aloe vera, a factorial experiment was conducted. Water deficit treatments included: field capacity (FC: 37.2 % volumetric water content (VWC), and irrigation at a weekly (16.5% VWC), and biweekly intervals (7.9 % VWC). Fungal treatments were Glomus intraradices and Glomus versiforme. The experiment followed a completely randomized design in the research greenhouse of Azarbaijan Shahid Madani University, Iran, in 2024. The results showed that the co-treatments affected plant biomass, fresh and dry weight of gel, leaf length, and width, carotenoids content, H2O2, malondialdehyde, total soluble solids, proline, flavonoids, zinc and iron content, and catalase activity. Irrigation at FC and weekly interval + both fungi increased fresh and dry weight of the plant and gel, and leaf diameter and length. Catalase activity improved with weekly or biweekly water deficit + both fungi, and with biweekly intervals + Glomus versiforme. The highest zinc and iron content was recorded at FC + both fungi.The highest soluble solids and proline content were seen with a weekly irrigation + both fungi or a biweekly irrigation without fungi. Biweekly irrigation without fungi or with Glomus versiforme, enhanced H2O2content. Both fungi elevated leaf number, root biomass, aloin B, total aloin, relative water content, total phenolics content, nitrogen, phosphorus, potassium, calcium, and magnesium content of the plants. The most recorded root weight, leaf number, chlorophyll b, nitrogen, phosphorus, and potassium content belonged to FC and weekly irrigation. Generally, a biweekly irrigation regime was detrimental to plants. The co-inoculation of fungi promisingly influenced the growth and physiological responses of plants under the FC condition and with weekly irrigation. Overall, the fungi treatments with complementary field studies would be advisable for the extension and production section.