期刊
SOIL BIOLOGY & BIOCHEMISTRY
卷 32, 期 8-9, 页码 1319-1322出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0038-0717(00)00025-0
关键词
ericoid mycorrhiza; nitrogen utilisation; Hymenoscyphus ericae
类别
Variation in the abilities of 35 isolates of the ericoid mycorrhizal fungal endophyte Hymenoscyplus ericae from two held sites to utilise inorganic and organic nitrogen sources in axenic culture has been investigated. While most isolates showed a preference for NH4+ as a sole nitrogen source, considerable variation was observed in the abilities of isolates to utilise amino acids and protein (BSA). In particular, large intraspecific variation was observed for glutamine and BSA utilisation, with some isolates thriving on these substrates while others produced little growth. The data suggest that individual isolates of H. ericae may vary considerably in their abilities to supply their host plants with nitrogen from different substrates in soil. (C) 2000 Elsevier Science Ltd. All rights reserved.
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