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UPTAKE OF SULPHUR BY EXCISED BEECH MYCORRHIZAS
Author(s) -
MORRISON T. M.
Publication year - 1963
Publication title -
new phytologist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.742
H-Index - 244
eISSN - 1469-8137
pISSN - 0028-646X
DOI - 10.1111/j.1469-8137.1963.tb06310.x
Subject(s) - beech , sulfur , mantle (geology) , botany , absorption (acoustics) , biology , horticulture , chemistry , physics , paleontology , organic chemistry , acoustics
S ummary Excised mycorrhizas of Fagus were immersed in 35 S solution for varying periods after which fungal mantles were dissected from host roots and both components were assayed separately for activity. In general 50% of the sulphur absorbed by mycorrhizas was found in the fungal mantle after 2 hours but this percentage was higher after shorter periods of immersion. Separation of mantle and cores before immersion in the active solution made little difference to absorption by either component. A comparison was made between absorption of 32 P and 35 S in both excised and intact mycorrhizas. This showed that the two elements had different absorption patterns and it is concluded that the benefit due to possession of mycorrhizas lies in the large reservoir of phosphorus in the fungal component and in the increased rate of absorption of phosphorus even after this reservoir has been established.