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Mycorrhizal fungi enhance flooding tolerance of peach through inducing proline accumulation and improving root architecture

Author

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  • Feng-Ling Zheng

    (Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, P.R. China)

  • Sheng-Min Liang

    (Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, P.R. China)

  • Xiao-Ning Chu

    (Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, P.R. China)

  • Yong-Lu Yang

    (Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Horticulture and Gardening, Yangtze University, Jingzhou, Hubei, P.R. China)

  • Qiang-Sheng Wu

Abstract

This study aimed to evaluate the effect of an arbuscular mycorrhizal fungus (AMF) Glomus mosseae on plant growth, root architecture, and proline metabolism in roots of peach (Prunes persica L.) under non-flooding and flooding conditions. The 12-day flooding dramatically inhibited root colonisation of G. mosseae, but induced a large number of extraradical mycelia. Although the flooding treatment also relatively inhibited growth and root architecture of peach, the mycorrhizal fungal inoculation dramatically increased shoot and root biomass, plant height, stem diameter, number of 1st- and 2nd-order lateral roots, root total length (mainly 0-1 cm and > 3 cm long), root surface area, and root volume under flooding. The study also revealed distinctly higher proline accumulation in the roots of mycorrhizal plants than non-mycorrhizal plants under both non-flooding and flooding conditions, accompanied by higher Δ1-pyrroline-5-carboxylate synthase (P5CS) activity and lower δ-ornithine transaminase and proline dehydrogenase activities. In addition, the PpP5CS1 gene expression was up-regulated by flooding and mycorrhization. This study concluded that mycorrhizal fungi enhanced flooding tolerance of peach through inducing proline accumulation and improving root architecture.

Suggested Citation

  • Feng-Ling Zheng & Sheng-Min Liang & Xiao-Ning Chu & Yong-Lu Yang & Qiang-Sheng Wu, 2020. "Mycorrhizal fungi enhance flooding tolerance of peach through inducing proline accumulation and improving root architecture," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 66(12), pages 624-631.
    • Handle: RePEc:caa:jnlpse:v:66:y:2020:i:12:id:520-2020-pse
    DOI: 10.17221/520/2020-PSE
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    References listed on IDEAS

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    1. Miao-Miao Xie & Ying-Ning Zou & Qiang-Sheng Wu & Ze-Zhi Zhang & Kamil Kuča, 2020. "Single or dual inoculation of arbuscular mycorrhizal fungi and rhizobia regulates plant growth and nitrogen acquisition in white clover," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 66(6), pages 287-294.
    2. Lu-Lu Meng & Jia-Dong He & Ying-Ning Zou & Qiang-Sheng Wu & Kamil Kuča, 2020. "Mycorrhiza-released glomalin-related soil protein fractions contribute to soil total nitrogen in trifoliate orange," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 66(4), pages 183-189.
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    Cited by:

    1. Yue Wen & Li-Jun Zhou & Yong-Jie Xu & Abeer Hashem & Elsayed Fathi Abd_Allah & Qiang-Sheng Wu, 2024. "Growth Performance and Osmolyte Regulation of Drought-Stressed Walnut Plants Are Improved by Mycorrhiza," Agriculture, MDPI, vol. 14(3), pages 1-11, February.

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