Interaction of Acaena elongata L. with Arbuscular Mycorrhizal Fungi under Phosphorus Limitation Conditions in a Temperate Forest

被引:3
作者
Vazquez-Santos, Yasmin [1 ]
Martinez-Orea, Yuriana [1 ]
Alvarez-Sanchez, Javier [1 ]
Manuel Montano, Noe [2 ]
Lucia Camargo-Ricalde, Sara [2 ]
Castillo-Arguero, Silvia [1 ]
机构
[1] Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Ecol & Recursos Nat, Ciudad De Mexico 04510, Mexico
[2] Univ Autonoma Metropolitana Iztapalapa, Dept Biol, Div Ciencias Biol & Salud, Ciudad De Mexico 09340, Mexico
关键词
Abies religiosa forest; arbuscular mycorrhizae; plant growth; soil fertilization; SOIL-PHOSPHORUS; GROWTH; PLANTS; ROOTS; DECOMPOSITION; DIVERSITY; NUTRITION; PHENOLOGY;
D O I
10.32604/phyton.2021.014208
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The aim of this study was to analyze the performance of Acaena elongata colonized by arbuscular mycorrhizal fungi (AMF) to different phosphorus (P) concentrations, as a measure of AMF dependency. A. elongata, is a species from soils where P availability is limited, such as temperate forests. Our research questions were: 1) How do different P concentrations affect the AMF association in Acaena elongata, and 2) How does the AMF association influence A. elongata's growth under different P concentrations? A. elongata's growth, P content in plant tissue, AMF colonization and dependency were measured under four P concentrations: control (0 g P kg(-1)), low (0.05 g P kg(-1)), intermediate (0.2 g P kg(-1)) and high (2 g P kg(-1)) in different harvests. A complete randomized block design was applied. A. elongata's growth was higher under -AMF in intermediate and high P concentrations, and the lowest growth corresponded to +AMF in the low and intermediate P concentration. We observed a negative effect on the root biomass under +AMF in intermediate P concentration, while the P concentration had a positive effect on the leaf area ratio. The AMF colonization in A. elongata decreased in the highest P concentration and it was favored under intermediate P concentration; while the low and the high concentrations generated a cost-benefit imbalance. Our results suggest that the performance of some plant species in soils with low P availability may not be favored by their association with AMF, but a synergy between AMF and intermediate P concentrations might drive A. elongata's growth.
引用
收藏
页码:605 / 619
页数:15
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