Abstract:
:Boron (B) is an essential micronutrient for plants but it is thought not to be essential for fungi. We studied whether the extraradical mycelia of Paxillus involutus in symbiosis with silver birch (Betula pendula) take up B and transport it to the host plant. We grew mycorrhizal plants in flat microcosms with a partitioning wall, below which there was only extraradical mycelium. A boric acid solution enriched in 10B was applied to these mycelia. Increased 10B/11B isotope ratios were subsequently measured in birch leaves, stems, and roots plus mycorrhizas in the upper compartment. Boron was therefore taken up by the mycorrhizal mycelia and transported to the host plant in this species combination.
journal_name
Mycorrhizajournal_title
Mycorrhizaauthors
Lehto T,Lavola A,Kallio E,Aphalo PJdoi
10.1007/s00572-003-0290-1subject
Has Abstractpub_date
2004-07-01 00:00:00pages
209-12issue
3eissn
0940-6360issn
1432-1890journal_volume
14pub_type
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