Effects of Mycorrhizal Fungi on Root-Hair Growth and Hormone Levels of Taproot and Lateral Roots in Trifoliate Orange Under Drought Stress

December 2018 in “ Archives of Agronomy and Soil Science ”

Fei Zhang, Peng Wang, Ying‐Ning Zou, Qiang‐Sheng Wu, Kamil Kuča

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Research cited in this study

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research Auxin Modulates Root-Hair Growth Through Its Signaling Pathway in Citrus

28 citations , March 2018 in “Scientia Horticulturae”

research Mycorrhiza Stimulates Root-Hair Growth and IAA Synthesis and Transport in Trifoliate Orange Under Drought Stress

131 citations , January 2018 in “Scientific Reports”

The study investigated the effects of arbuscular mycorrhizal (AM) fungal inoculation on root-hair growth in trifoliate orange under drought stress. It was found that AM seedlings exhibited significantly greater root-hair density, length, and diameter, along with increased levels of root indoleacetic acid (IAA), compared to non-AM seedlings, regardless of soil moisture conditions. The mycorrhizal inoculation up-regulated genes involved in IAA biosynthesis and modulated the expression of auxin transporters, enhancing auxin influx and reducing efflux. These changes facilitated greater root-hair growth, which improved the plant's drought tolerance, demonstrating the beneficial role of mycorrhiza in auxin-mediated root development under stress conditions.

Related Research

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research Effects of Mycorrhizal Fungi on Root-Hair Growth and Hormone Levels of Taproot and Lateral Roots in Trifoliate Orange Under Drought Stress

128 citations , December 2018 in “Archives of Agronomy and Soil Science”