Record ID No. |
5195 |
Author(s) |
Corrêa A, Cruz C, Ferrol N , 2015 |
Affiliation |
Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín, CSIC, Granada, Spain. ambcorrea@gmail.com. |
Title |
Nitrogen and carbon/nitrogen dynamics in arbuscular mycorrhiza: the great unknown. |
Source. Vol.(no):Page |
Mycorrhiza.25(7): 499-515 |
Categories |
Ectomycorrhiza Ectendo Mycorrhiza |
Subjects |
General |
Country |
Spain |
Abstracts |
Many studies have established that arbuscular mycorrhizal fungi transfer N to the host plant. However, the role and importance of arbuscular mycorrhiza (AM) in plant N nutrition is still uncertain, as are the C/N interactions within the symbiosis. Published reports provide differing, and often contradictory, results that are difficult to combine in a coherent framework. This review explores questions such as: What makes the difference between a positive and a negative effect of AM on plant N nutrition? Is the mycorrhizal N response (MNR) correlated to the mycorrhizal growth response (MGR), and how or under which conditions? Is the MNR effect on plant growth C mediated? Is plant C investment on fungal growth related to N needs or N benefit? How is the N for C trade between symbionts regulated? The patternless nature of current knowledge is made evident, and possible reasons for this are discussed |