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Acta Horticulturae Sinica ›› 2026, Vol. 53 ›› Issue (4): 955-971.doi: 10.16420/j.issn.0513-353x.2026-0111

• Research on Arbuscular Mycorrhizal Fungi in Horticultural Plants • Previous Articles     Next Articles

Arbuscular Mycorrhizal Fungi in Orchard Ecosystems:Diversity,Environmental Responses,and Mechanisms in Enhancing Fruit Tree Stress Resistance

YE Guojian1, FENG Zengwei1, LIU Xiaodi1, CHEN Meng2, XIE Xiaolin1, YAO Qing2, DENG Mingrong1,**(), ZHU Honghui1,**()   

  1. 1 Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application,Key Laboratory of Agricultural Microbiome (MARA),Key Laboratory of Agricultural Microbiomics and Precision Application (MARA),State Key Laboratory of Applied Microbiology Southern China,Institute of Microbiology,Guangdong Academy of Sciences,Guangzhou 510070,China
    2 Guangdong Key Laboratory of Microbial Signaling and Disease Control Laboratory,College of Horticulture,South China Agricultural University,Guangzhou 510642,China
  • Received:2026-01-26 Revised:2026-03-17 Online:2026-04-25 Published:2026-04-20
  • Contact: DENG Mingrong, ZHU Honghui

Abstract:

A comprehensive investigation into the diversity of arbuscular mycorrhizal(AM)fungi in orchards and their mechanisms of interaction with fruit trees is of great significance for overcoming the limitations posed by biotic and abiotic stresses in fruit production and promoting the sustainable development of orchards. This paper systematically reviews AM fungal species diversity in orchard soil ecosystems,the key driving factors influencing their diversity and community assembly,and the physiological,biochemical,and molecular mechanisms underlying AM fungal enhancement of fruit tree resistance. These mechanisms include enhancing the uptake of water and mineral nutrients and activating the host's systemic resistance signaling pathways. Finally,the potential applications of AM fungi in sustainable orchard management and future research directions are discussed.

Key words: arbuscular mycorrhizal fungi, fruit trees, soil ecosystem, nutrient acquisition, stress resistance, molecular mechanisms