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Mechanistic understanding of interspecific interaction between a C4 grass and a C3 legume via arbuscular mycorrhizal fungi, as influenced by soil phosphorus availability using a C-13 and N-15 dual-labelled organic patch
Liu, Hongfei1,2,3; Wu, Yang1,3; Xu, Hongwei1,3; Ai, Zemin1,3; Zhang, Jiaoyang1,3; Liu, Guobin1,3; Xue, Sha1,3
2021-08-13
Source PublicationPLANT JOURNAL
ISSN0960-7412
Pages14
Corresponding AuthorXue, Sha(xuesha100@163.com)
AbstractArbuscular mycorrhizal fungi (AMF) can improve plant nutrient acquisition, either by directly supplying nutrients to plants or by promoting soil organic matter mineralization, thereby affecting interspecific plant relationships in natural communities. We examined the mechanism by which the addition of P affects interspecific interactions between a C4 grass (Bothriochloa ischaemum, a dominant species in natural grasslands) and a C3 legume (Lespedeza davurica, a subordinate species in natural grasslands) via AMF and plant growth, by continuous C-13 and N-15 labelling, combined with soil enzyme analyses. The results of N-15 labelling revealed that P addition affected the shoot uptake of N via AMF by B. ischaemum and L. davurica differently. Specifically, the addition of P significantly increased the shoot uptake of N via AMF by B. ischaemum but significantly decreased that by L. davurica. Interspecific plant interactions via AMF significantly facilitated the plant N uptake via AMF by B. ischaemum but significantly inhibited that by L. davurica under P-limited soil conditions, whereas the opposite effect was observed in the case of excess P. This was consistent with the impact of interspecific plant interaction via AMF on arbuscular mycorrhizal (AM) benefit for plant growth. Our data indicate that the capability of plant N uptake via AMF is an important mechanism that influences interspecific relationships between C4 grasses and C3 legumes. Moreover, the effect of AMF on the activities of the soil enzymes responsible for N and P mineralization substantially contributed to the consequence of interspecific plant interaction via AMF for plant growth.
Keywordarbuscular mycorrhizal fungi (AMF) interspecific plant interaction mycorrhizal growth response N-15 P addition plant nitrogen acquisition via AMF
DOI10.1111/tpj.15434
WOS KeywordLOESS PLATEAU ; RHIZOSPHERE SOIL ; NITROGEN ; PLANT ; LIMITATION ; CARBON ; DECOMPOSITION ; NUTRITION ; GROWTH ; ROOTS
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41771557] ; Shaanxi Science Fund for Distinguished Young Scholars[2021JC-50] ; Fundamental Research Funds for the Central Universities[2452021165]
Funding OrganizationNational Natural Science Foundation of China ; Shaanxi Science Fund for Distinguished Young Scholars ; Fundamental Research Funds for the Central Universities
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000684556500001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/164660
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXue, Sha
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Univ Bayreuth, Dept Agroecol, D-95440 Bayreuth, Germany
3.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hongfei,Wu, Yang,Xu, Hongwei,et al. Mechanistic understanding of interspecific interaction between a C4 grass and a C3 legume via arbuscular mycorrhizal fungi, as influenced by soil phosphorus availability using a C-13 and N-15 dual-labelled organic patch[J]. PLANT JOURNAL,2021:14.
APA Liu, Hongfei.,Wu, Yang.,Xu, Hongwei.,Ai, Zemin.,Zhang, Jiaoyang.,...&Xue, Sha.(2021).Mechanistic understanding of interspecific interaction between a C4 grass and a C3 legume via arbuscular mycorrhizal fungi, as influenced by soil phosphorus availability using a C-13 and N-15 dual-labelled organic patch.PLANT JOURNAL,14.
MLA Liu, Hongfei,et al."Mechanistic understanding of interspecific interaction between a C4 grass and a C3 legume via arbuscular mycorrhizal fungi, as influenced by soil phosphorus availability using a C-13 and N-15 dual-labelled organic patch".PLANT JOURNAL (2021):14.
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