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
Beschreibung
Zusammenfassung:•  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
Beschreibung:Date Revised 20.04.2021
published: Print
Citation Status PubMed-not-MEDLINE
ISSN:1469-8137
DOI:10.1046/j.1469-8137.2003.00654.x