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园艺学报 ›› 2026, Vol. 53 ›› Issue (4): 1038-1056.doi: 10.16420/j.issn.0513-353x.2025-1229

• 园艺植物丛枝菌根研究 • 上一篇    下一篇

丛枝菌根真菌与嗜松篮状菌LZ1协同缓解苹果连作障碍的机理研究

高雅文1, 孙琳佼1, 刘宇松1, 孙文泰2, 徐明娜3, 宋乐芬1, 王雪梅1, 王功帅4, 王玫1,*(), 尹承苗1,*(), 毛志泉1,*()   

  1. 1 山东农业大学园艺科学与工程学院,山东泰安 271018
    2 甘肃省农业科学院林果花卉研究所,兰州 730070
    3 烟台市龙口市农业技术推广中心,山东烟台 265700
    4 山东农业工程学院农业科技学院,山东淄博 255300
  • 收稿日期:2025-12-15 修回日期:2026-03-12 出版日期:2026-04-25 发布日期:2026-04-20
  • 通讯作者:
    *E-mail:
  • 基金资助:
    国家自然科学基金项目(32502619); 山东省重点研发项目(重大科技创新工程项目); 山东省重点研发项目(2024CXGC010903); 现代农业产业技术体系建设专项资助(CARS-27)

Mechanism of Synergistic Alleviation of Apple Replant Disease by Arbuscular Mycorrhizal Fungi and Talaromyces pinophilus LZ1

GAO Yawen1, SUN Linjiao1, LIU Yusong1, SUN Wentai2, XU Mingna3, SONG Lefen1, WANG Xuemei1, WANG Gongshuai4, WANG Mei1,*(), YIN Chengmiao1,*(), MAO Zhiquan1,*()   

  1. 1 College of Horticultural Science and Engineering,Shandong Agricultural University,Tai'an,Shandong 271018,China
    2 Institute of Forestry,Fruit and Floriculture,Gansu Academy of Agricultural Sciences,Lanzhou 730070,China
    3 Longkou Agricultural Technology Extension Center,Yantai,Shandong 265700,China
    4 College of Agricultural Science and Technology,Shandong Agriculture and Engineering University,Zibo,Shandong 255300,China
  • Received:2025-12-15 Revised:2026-03-12 Published:2026-04-25 Online:2026-04-20

摘要: 本研究旨在开发一种绿色、可持续的生物防治苹果连作障碍(apple replant disease,ARD)策略,探究联合施用丛枝菌根真菌(Paraglomus sp. SW1)与具有拮抗活性的嗜松篮状菌(Talaromyces pinophilus LZ1)对ARD的缓解效果。结果表明,从板栗根际分离的LZ1菌株不仅能够显著抑制ARD主要致病菌镰孢菌(Fusarium)的生长,还能提高连作苹果幼苗根系的菌根侵染率;通过温室、盆栽及田间试验验证发现,AMF与LZ1联合施用能显著提高连作苹果植株生物量和菌根侵染率,其株高、地径、鲜质量、干质量和菌根侵染率比不施用任何菌剂的连作土壤处理(CK-1)分别提高了85.43%、88.20%、144.4%、145.40%和62.94%;还能够显著增加土壤孢子密度和易提取球囊霉素相关蛋白(easily extractable glomalin related soil protein)含量,比CK-1分别提高了59.87%和46.98%;并提高土壤酶活性,优化土壤微生物群落结构。综上,AMF与LZ1联合施用可为缓解ARD提供可持续且生态友好的策略。

关键词: 苹果, 连作障碍, 丛枝菌根真菌, 嗜松篮状菌, 生物防治, 土壤微生物群落

Abstract:

This study aimed to develop a green and sustainable biocontrol strategy for apple replant disease(ARD)by exploring the alleviating effect of combined application of an arbuscular mycorrhizal fungi(Paraglomus sp. SW1)and an antagonistic Talaromyces pinophilus LZ1 on ARD. The results showed that the LZ1 strain isolated from the rhizosphere of chestnut not only significantly inhibited the growth of the main pathogenic Fusarium species causing ARD,but also increased the mycorrhizal colonization rate in apple seedlings grown in replant soil. Validation through greenhouse,pot,and field experiments revealed that the combined application of AMF and LZ1 significantly enhanced the biomass and mycorrhizal colonization in apple plants under replant soil. Compared with the replant control soil treatment without any microbial inoculants(CK-1),plant height,ground diameter,fresh weight,dry weight,and mycorrhizal colonization rate increased by 85.43%,88.20%,144.47%,145.40%,and 62.94%,respectively. The co-inoculation of AMF and LZ1 also significantly increased soil spore density and easily extractable glomalin-related soil protein(EE-GRSP)content,which were 59.87% and 46.98% higher than those in CK-1,respectively. Furthermore,the co-inoculation improved soil enzyme activities and optimized the soil microbial community structure. In summary,the synergistic application of AMF and LZ1 can provide a sustainable and eco-friendly strategy for alleviating ARD.

Key words: apple, replant disease, arbuscular mycorrhizal fungi, Talaromyces pinophilus LZ1, biocontrol, soil microbial community