ISWC OpenIR  > 水保所科研产出--SCI  > 2018--SCI
Nutrient allocation and photochemical responses of Populus x canadensis 'Neva' to nitrogen fertilization and exogenous Rhizophagus irregularis inoculation
Fei Wu1,2; Haoqiang Zhang2; Fengru Fang2; Ming Tang1,2; Tang, M (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Xianyang 712100, Shaanxi, Peoples R China.; Tang, M (reprint author), Northwest A&F Univ, Coll Forestry, Xianyang 712100, Shaanxi, Peoples R China.
SubtypeArticle
2018
Source PublicationACTA PHYSIOLOGIAE PLANTARUM
ISSN0137-5881
description.correspondentemailtangmingyl@163.com
Volume40Issue:8
AbstractArbuscular mycorrhizal fungi (AMF) can promote plant growth performance, but their effectiveness varies depending on soil nitrogen (N) availability. To clarify the effectiveness of exogenous AMF along an N-fertilization gradient (0, 2, 10, 20, and 30 mM), the impacts of exogenous Rhizophagus irregularis and N on the growth, photochemical activity, and nutritional status of Populus x canadensis 'Neva' in natural soil were evaluated in a pot experiment. The results showed that the 10 mM N level was the optimal fertilization regime with the highest promotion effect on plant growth and the maximum quantum yield of photosystem II (PSII) (F (v)/F (m)). Excess N (20 and 30 mM) fertilization reduced the actual quantum yield of PSII (DPSII) and the F (v)/F (m) of the plants. Regardless of the N availability, inoculated plants exhibited greater F (v)/F (m) values than did non-inoculated plants. The biomass of inoculated plants was significantly higher compared with the control under low N levels (0 and 2 mM). Under high N levels, inoculated plants showed significant increases in DPSII. Moreover, the nutrient imbalance of plants inoculated with exogenous R. irregularis was eased by increasing P, Fe, Mn and Cu uptake in roots and higher P, Ca, Mg, Fe, Mn and Zn concentrations in leaves. Moreover, the F (v)/F (m) and DPSII exhibited positive correlations with P, Ca, Mg and Zn concentrations in leaves. In conclusion, inoculation with exogenous R. irregularis can benefit plant fitness by improving the photochemical capacity and nutrient composition of poplar under different N levels.
KeywordNitrogen Fertilization Arbuscular Mycorrhiza Poplar Chlorophyll Fluorescence Nutrient Allocation
Subject AreaPlant Sciences
DOI10.1007/s11738-018-2728-2
Indexed BySCI
Publication PlaceTIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
Language英语
WOS IDWOS:000440143600003
PublisherSPRINGER HEIDELBERG
Funding OrganizationNational Natural Science Foundation of China [41671268, 31270639] ; National Natural Science Foundation of China [41671268, 31270639] ; Shaanxi Science and Technology Innovation Project Plan [2016KTCL02-07] ; Shaanxi Science and Technology Innovation Project Plan [2016KTCL02-07]
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Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8198
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorTang, M (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Xianyang 712100, Shaanxi, Peoples R China.; Tang, M (reprint author), Northwest A&F Univ, Coll Forestry, Xianyang 712100, Shaanxi, Peoples R China.
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Xianyang 712100, Shaanxi, Peoples R China
2.Northwest A&F Univ, Coll Forestry, Xianyang 712100, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Fei Wu,Haoqiang Zhang,Fengru Fang,et al. Nutrient allocation and photochemical responses of Populus x canadensis 'Neva' to nitrogen fertilization and exogenous Rhizophagus irregularis inoculation[J]. ACTA PHYSIOLOGIAE PLANTARUM,2018,40(8).
APA Fei Wu,Haoqiang Zhang,Fengru Fang,Ming Tang,Tang, M ,&Tang, M .(2018).Nutrient allocation and photochemical responses of Populus x canadensis 'Neva' to nitrogen fertilization and exogenous Rhizophagus irregularis inoculation.ACTA PHYSIOLOGIAE PLANTARUM,40(8).
MLA Fei Wu,et al."Nutrient allocation and photochemical responses of Populus x canadensis 'Neva' to nitrogen fertilization and exogenous Rhizophagus irregularis inoculation".ACTA PHYSIOLOGIAE PLANTARUM 40.8(2018).
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