Contrasting roles of abundant and rare root-associated fungi in wheat: Community assembly, heritability and agronomic impacts

IF 4.8 2区 农林科学 Q1 SOIL SCIENCE Applied Soil Ecology Pub Date : 2025-03-15 DOI:10.1016/j.apsoil.2025.106032
Xia Kang , Yuyin Zheng , Zhihan Feng , Minjie Yao , Xiangzhen Li , Dejun Han , Qingdong Zeng , Hao Tan , Yumin Yang , Jiabao Li
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引用次数: 0

Abstract

Root-associated fungal communities of wheat have a great impact on plant health, crop productivity and quality. However, little is known about the relationships among wheat varieties, fungal communities, and wheat productivity. In this study, we analyzed fungal communities in the endosphere and rhizosphere across 95 wheat varieties during two important wheat growth stages, i.e., the regreening stage and the heading stage. The results showed that abundant and core subcommunities played a prominent role in shaping the overall fungal community composition and structure. Stochastic processes including undominated process and dispersal limitation were the main assembly mechanisms in both endosphere and rhizosphere. Rhizosphere fungi at the regreening stage contained the most low-abundance keystone taxa, which contributed to maintaining community stability and functionality. Wheat quality and yield were positively affected by rare taxa in the rhizosphere at the regreening stage. Wheat yield showed significant positive correlations with keystone taxa and Glomeromycota at the heading stage. Abundant and core taxa exhibited higher heritability than rare and non-core taxa. In the rhizosphere, abundant subcommunity was enriched with taxa of low/moderate heritability at regreening stage, while rare subcommunity recruited taxa with higher heritability at heading stage. While abundant and core taxa strongly influenced overall community structure and composition, the importance of less abundant rhizosphere species should be emphasized for the keystone status, the relationships with wheat quality/yield, and the higher heritability. This study enhances our understanding of wheat-fungal interactions and their implications for sustainable agriculture, guiding wheat breeding and management practices to improve productivity.
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来源期刊
Applied Soil Ecology
Applied Soil Ecology 农林科学-土壤科学
CiteScore
9.70
自引率
4.20%
发文量
363
审稿时长
5.3 months
期刊介绍: Applied Soil Ecology addresses the role of soil organisms and their interactions in relation to: sustainability and productivity, nutrient cycling and other soil processes, the maintenance of soil functions, the impact of human activities on soil ecosystems and bio(techno)logical control of soil-inhabiting pests, diseases and weeds.
期刊最新文献
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