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Mycorrhizal colonisation in plants from intermittent aquatic habitats
Sraj-Krzic, N.; Pongrac, P.; Klemenc, M.; Kladnik, A.; Regvar, M.; Gaberscik, A. (2006). Mycorrhizal colonisation in plants from intermittent aquatic habitats. Aquat. Bot. 85(4): 331-336. dx.doi.org/10.1016/j.aquabot.2006.07.001
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770, more
Peer reviewed article  

Available in Authors 

Keywords
    Amphibiotic species; Colonisation; Flooding; Rhizomes; Slovenia [Marine Regions]; Fresh water

Authors  Top 
  • Sraj-Krzic, N.
  • Pongrac, P.
  • Klemenc, M.
  • Kladnik, A.
  • Regvar, M.
  • Gaberscik, A.

Abstract
    Several plant species with amphibious characteristics from intermittent aquatic habitats were examined for colonisation with arbuscular mycorrhizal fungi (AM), dark septate endophytes (DSE) and the ratio of aerenchyma in root tissue. We studied submerged specimens of Alisma plantago-aquatica, Mentha aquatica, Myosotis scorpioides, Oenanthe fistulosa, Gratiola officinalis, Glyceria fluitans, Sium latifolium and Teucrium scordium. In the first four, we also examined the emerged growth forms, which were grown under experimental conditions. Roots of all species were mycorrhizal and showed AM and DSE colonisation. The results suggest that AM colonisation may also be abundant in plants of aquatic environment. Arbuscules were not found in submerged specimens of M. aquatica, O. fistulosa and S. latifolium. The AM colonisation was generally higher in emerged specimens as compared to submerged ones. The aerenchyma ratio in root cross-sections ranged from 10 to 50% and in most cases did not differ between submerged and emerged specimens. No clear relationship between AM colonisation and aerenchyma ratio was recognized, while a positive correlation between AM and plant available phosphorous was established.

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