Carbon partitioning in a split-root system of arbuscular mycorrhizal plants is fungal and plant species dependent

•   Root carbon (C) partitioning in two host plant species colonized by one of three arbuscular mycorrhizal (AM) fungal species was investigated. •   Split-root systems of barley (Hordeum vulgare) and sugar maple (Acer saccharum) were inoculated on one side with one of three AM fungi. Leaves were la...

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Veröffentlicht in:The New phytologist. - 1979. - 157(2003), 3 vom: 20. März, Seite 589-595
1. Verfasser: Lerat, Sylvain (VerfasserIn)
Weitere Verfasser: Lapointe, Line, Gutjahr, Sylvain, Piché, Yves, Vierheilig, Horst
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Gigaspora rosea Glomus intraradices Glomus mosseae arbuscular mycorrhizal (AM) fungi barley (Hordeum vulgare) carbon sink colonization levels sugar maple (Acer saccharum)
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520 |a •   Root carbon (C) partitioning in two host plant species colonized by one of three arbuscular mycorrhizal (AM) fungal species was investigated. •   Split-root systems of barley (Hordeum vulgare) and sugar maple (Acer saccharum) were inoculated on one side with one of three AM fungi. Leaves were labelled with 14 CO2 3 wk after inoculation. Plants were harvested 24 h later and the root systems from the mycorrhizal (M) and nonmycorrhizal (NM) sides were analysed separately for 14 C. •   Partitioning of 14 C between M and NM sides varied depending on the fungal and host plant species used. Gigaspora rosea showed a strong C-sink capacity with both plant species, Glomus intraradices showed a strong C-sink capacity with barley, and Glomus mosseae did not affect 14 C partitioning. The C-sink strength of the M barley roots inoculated with G. rosea or G. intraradices was linearly correlated with the degree of colonization. •   The use of three AM fungal and two plant species allowed us to conclude that C-sink strength of AM fungi depends on both partners involved in the symbiosis 
650 4 |a Journal Article 
650 4 |a Gigaspora rosea 
650 4 |a Glomus intraradices 
650 4 |a Glomus mosseae 
650 4 |a arbuscular mycorrhizal (AM) fungi 
650 4 |a barley (Hordeum vulgare) 
650 4 |a carbon sink 
650 4 |a colonization levels 
650 4 |a sugar maple (Acer saccharum) 
700 1 |a Lapointe, Line  |e verfasserin  |4 aut 
700 1 |a Gutjahr, Sylvain  |e verfasserin  |4 aut 
700 1 |a Piché, Yves  |e verfasserin  |4 aut 
700 1 |a Vierheilig, Horst  |e verfasserin  |4 aut 
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773 1 8 |g volume:157  |g year:2003  |g number:3  |g day:20  |g month:03  |g pages:589-595 
856 4 0 |u http://dx.doi.org/10.1046/j.1469-8137.2003.00691.x  |3 Volltext 
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