兰州大学机构库
Arbuscular mycorrhiza changes plant facilitation patterns and increases resource use efficiency in intercropped annual plants
Zhu, Shuang-Guo1,2; Duan, Hai-Xia2; Tao, Hong-Yan2; Zhu, Li2; Zhou, Rui3; Yang, Yu-Miao2; Zhang, Xiao-Lin2; Wang, Wen-Ying; Zhu, Hao2; Zhang, Wei2; Wang, Ren-Qing1; Tao, Xiu-Ping4; Xiong, You-Cai2,4,5
2023-11
Online publication date2023-07
Source PublicationAPPLIED SOIL ECOLOGY   Impact Factor & Quartile
ISSN0929-1393
Volume191
page numbers11
Abstract

Arbuscular mycorrhizal fungi (AMF) play a vital role in mediating rhizosphere interactions and plant growth, especially in resource-constrained soils. However, few studies have documented the effects of AMF on plant-plant interaction patterns and resource use efficiency along stress gradients. In this study, a growth environmentcontrolled experiment was carried out to evaluate the effects of AMF inoculation on maize-grass pea intercropping along three phosphorus (P) and two water gradients. The data indicated that soil water and P availability determined the plant interspecific interaction pattern, and that interaction was strongly mediated by AMF inoculation. Grass pea and maize were mutually facilitated under low P and water conditions and transitioned to a new pattern, i.e., that maize was facilitated but grass pea was neutral role or facilitator with increasing resource availability. The facilitative effect was particularly significant under P- and water-deficient conditions. Moreover, the transition of the plant-plant interaction pattern was mechanically driven by improving rhizospheric phosphatase activities by 5.08-20.02 %, rhizospheric acidification and enhanced microbial activities under resource deficit conditions. Critically, AMF inoculation was observed to significantly improve rhizospheric soil P availability and microbial biomass (p < 0.05); however, it enhanced the complementary utilization of P and water and weakened interspecific competition under high-resource conditions. Therefore, AMF inoculation positively transformed the plant-plant interaction pattern along resource gradients for higher P, nitrogen and water use efficiency. This study validates the context-dependent interspecific interaction and the role of AMF in optimizing resource use in a nutrient-impoverished intercropping system.

KeywordIntercropping Plant -Plant Interaction Soil Moisture Phosphorus Amf
PublisherELSEVIER
DOI10.1016/j.apsoil.2023.105030
Indexed BySCIE
Language英语
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:001057935500001
Original Document TypeArticle
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/568345
Collection兰州大学
草地农业科技学院
Affiliation
1.Shandong Univ, Inst Ecol & Biodivers, Sch Life Sci, Qingdao 266237, Peoples R China;
2.Lanzhou Univ, Coll Ecol, State Key Lab Herbage Improvement & Grassland Agro, Lanzhou 730000, Peoples R China;
3.Yunnan Univ, Sch Ecol & Environm Sci, Kunming 650091, Peoples R China; Qinghai Normal Univ, Lab Biodivers Format Mech & Comprehens Utilizat Qi, Xining 810008, Peoples R China;
4.Chinese Acad Agr Sci, Inst Urban Agr, Chengdu 610095, Peoples R China;
5.Lanzhou Univ, Coll Ecol, State Key Lab Grassland Agroecosyst, Lanzhou 730000, Peoples R China
First Author AffilicationLanzhou University
Recommended Citation
GB/T 7714
Zhu, Shuang-Guo,Duan, Hai-Xia,Tao, Hong-Yan,et al. Arbuscular mycorrhiza changes plant facilitation patterns and increases resource use efficiency in intercropped annual plants[J]. APPLIED SOIL ECOLOGY,2023,191.
APA Zhu, Shuang-Guo.,Duan, Hai-Xia.,Tao, Hong-Yan.,Zhu, Li.,Zhou, Rui.,...&Xiong, You-Cai.(2023).Arbuscular mycorrhiza changes plant facilitation patterns and increases resource use efficiency in intercropped annual plants.APPLIED SOIL ECOLOGY,191.
MLA Zhu, Shuang-Guo,et al."Arbuscular mycorrhiza changes plant facilitation patterns and increases resource use efficiency in intercropped annual plants".APPLIED SOIL ECOLOGY 191(2023).
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