Growth and phosphorus nutrition of a Paris-type arbuscular mycorrhizal symbiosis

•  Paris -type arbuscular mycorrhizas (AM) are reportedly the most common morphological type of AM; however, most research has focused on the Arum -type. Asphodelus fistulosus , a common weed in southern Australia, forms Paris -type AM when colonised by Glomus coronatum . It is often found in sites...

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Veröffentlicht in:The New phytologist. - 1979. - 157(2003), 1 vom: 20. Jan., Seite 127-134
1. Verfasser: Cavagnaro, T R (VerfasserIn)
Weitere Verfasser: Smith, F A, Ayling, S M, Smith, S E
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Arbuscular mycorrhizas Asphodelus fistulosus (Onion Weed) Glomus coronatum Paris-type Phosphorus structural diversity
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520 |a •  Paris -type arbuscular mycorrhizas (AM) are reportedly the most common morphological type of AM; however, most research has focused on the Arum -type. Asphodelus fistulosus , a common weed in southern Australia, forms Paris -type AM when colonised by Glomus coronatum . It is often found in sites with low nutrient levels, and may therefore be dependent on its AM associations for growth and phosphorus (P) nutrition. •  A. fistulosus was inoculated with G. coronatum and grown in pots containing a soil/sand mixture with P added to give five soil P concentrations. The plants were grown in a glasshouse and harvested 6 and 9 wk after planting, at which times growth, P nutrition and colonisation were measured. •  At low soil P, A. fistulosus showed very marked positive responses to colonisation both in P uptake and growth; both responses decreased with increasing P supply. Colonisation was not greatly reduced by increasing P supply. •  This study appears to be one of the first detailed investigations of P responses in a Paris -type AM, providing insight into what is reportedly the more common but less well studied morphological type of AM 
650 4 |a Journal Article 
650 4 |a Arbuscular mycorrhizas 
650 4 |a Asphodelus fistulosus (Onion Weed) 
650 4 |a Glomus coronatum 
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650 4 |a Phosphorus 
650 4 |a structural diversity 
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700 1 |a Ayling, S M  |e verfasserin  |4 aut 
700 1 |a Smith, S E  |e verfasserin  |4 aut 
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