Effects of Nitrogen and Exogenous Rhizophagus irregularis on the Nutrient Status, Photosynthesis and Leaf Anatomy of Populus × canadensis ‘Neva’
作者： Fei Wu , Haoqiang Zhang , Fengru Fang , Na Wu , Yongxin Zhang
DOI: 10.1007/S00344-017-9686-6
关键词: Nutrient 、 Botany 、 Rhizophagus irregularis 、 Plant physiology 、 Photosynthetic capacity 、 Human fertilization 、 Arbuscular mycorrhiza 、 Plant nutrition 、 Photosynthesis 、 Biology
摘要: The productivity of poplar is associated with large nitrogen (N) requirements. Exogenous arbuscular mycorrhizal fungi (AMF) show potential for use as bio-fertilizers. Understanding the interaction between N and exogenous AMF has theoretical practical significance plantation. A pot experiment was conducted to assess effects Rhizophagus irregularis on plant growth, nutrient uptake, photosynthesis, water status, leaf anatomical properties Populus × canadensis ‘Neva’ in natural soil. results showed that fertilization increased net status conduit diameter midribs. concentrations carbon (C) leaves were increased, but phosphorus (P) concentration decreased by fertilization. effectiveness R. varied under different levels. Under low levels, irregularis-inoculated plants grew faster exhibited superior photosynthetic capacity, diameters than non-inoculated plants. high C, P enhanced inoculation. Furthermore, average midribs presented a significant positive correlation growth parameters, relative content (RWC) C concentrations. It concluded exerted strongest levels promoting fungus promoted nutrition decoupled from level Moreover, improvement physiological traits due or inoculation accompanied changes internal properties.
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