Journal of Integrative Agriculture ›› 2026, Vol. 25 ›› Issue (6): 2556-2568.DOI: 10.1016/j.jia.2025.09.003

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蔬菜通过磷养分管理缓解植物-土壤负反馈

  

  • 收稿日期:2025-04-09 修回日期:2025-09-04 接受日期:2025-08-01 出版日期:2026-06-20 发布日期:2026-05-06

Alleviating negative home plant–soil feedback in vegetables through phosphorus management

Zitian Pu1, 2*, Ruifang Zhang2, 3*, Chi Zhang2, 3, Hong Wang2, 3, Xinxin Wang1, 4#   

  1. 1 State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding 071001, China

    2 College of Resources and Environment, Hebei Agricultural University, Baoding 071001, China

    3 College of Land and Resources, Hebei Agricultural University, Baoding 071001, China

    4 College of Horticulture, Hebei Agricultural University, Baoding 071001, China

  • Received:2025-04-09 Revised:2025-09-04 Accepted:2025-08-01 Online:2026-06-20 Published:2026-05-06
  • About author:#Correspondence Xinxin Wang, E-mail: xinxinwang.wur@qq.com * These authors contributed equally to this study.
  • Supported by:

    This study was financially supported by the Earmarked Fund for Hebei Agriculture Research System, China (HBCT2023100208 and HBCT 2023100212) and the State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, China (NCCIR2021ZZ-18).

摘要:

蔬菜作物的主场植物-土壤反馈(home-PSFs)通常表现为负反馈,严重抑制蔬菜生长。磷作为植物必需的重要营养元素,其土壤有效磷水平可显著影响蔬菜的生长模式。然而,土壤有效磷如何调节蔬菜作物的home-PSFs尚不明确。本研究通过构建12种不同蔬菜组成的home-PSF系统,比较了两种磷水平(低磷:40 mg P kg⁻¹;高磷:200 mg P kg⁻¹)对蔬菜生长的影响。结果显示,低磷处理导致所有供试蔬菜生物量显著降低,且大部分蔬菜将更多生物量分配至根部。此外,低磷条件下丛枝菌根定殖率与根际酸性磷酸酶活性上升,而根长显著减小。在不同磷水平下,蔬菜home-PSFs总体上呈负效应,葱属蔬菜与非菌根蔬菜在高磷条件下表现出正反馈此外,野生番茄的反馈值变幅大于普通番茄。高磷条件下,丛枝菌根定殖率与生物量吸收量反馈值呈正相关;低磷条件下,根径和丛枝菌根定殖率与生物量吸收量反馈值表现出不同的相关性。综上所述,提高磷水平可缓解蔬菜的负home-PSFs,促进生物量积累,且高磷水平在缓解野生番茄负反馈方面效果优于普通番茄。

Abstract:

Home plant–soil feedbacks (home-PSFs) typically demonstrate negative effects in vegetable crops, substantially inhibiting their growth.  Phosphorus (P), an essential plant nutrient crucial for growth, influences vegetable crop growth patterns through soil availability levels.  However, the relationship between soil available P levels and home-PSFs in vegetable crops requires further investigation.  This study established a home PSF system incorporating 12 vegetable crops from 6 families to examine growth responses under two P conditions (low P level: 40 mg P kg–1 soil; high P level: 200 mg P kg–1 soil).  The findings revealed that low P conditions significantly decreased overall biomass across all vegetables, with preferential biomass allocation to root development.  Furthermore, low P conditions enhanced mycorrhizal colonization and rhizosphere acid phosphatase activity while notably decreasing root length.  While vegetables generally exhibited negative home PSFs, allium and nonmycorrhizal plants demonstrated positive responses under high P conditions.  Wild tomatoes displayed greater variation in feedback values across P levels compared to common tomatoes.  Under high-P conditions, mycorrhizal colonization showed positive correlations with feedback values of biomass and P concentration.  Root diameter and mycorrhizal colonization demonstrated distinct correlations with these feedback values under low-P conditions.  The research concludes that high P levels effectively mitigate negative home-PSFs in vegetables while increasing biomass production.  Additionally, high P levels demonstrated superior efficacy in alleviating negative home-PSFs in wild tomatoes compared to common tomatoes.

Key words: home plant–soil feedback , phosphorus levels , negative feedback , growth strategy , vegetable