Summary
Anatomy and ultrastructure of the arbutoid mycorrhiza of Arbutus unedo-Laccaria amethystea from axenic culture are described. In comparison to non-inoculated roots, the rhizodermal cells of mycorrhizas are of greater volume, their nuclei are enlarged and show an irregular shape, plasmalemma and cytoplasm with mitochondria, plastids, endoplasmic reticulum and dictyosomes are increased. Several ontogenetical states are documented. The arbutoid mycorrhiza as a connecting link between ectomycorrhiza and ericoid mycorrhiza is discussed.
Similar content being viewed by others
References
Atkinson MA (1975) The fine structure of mycorrhizas. D. Phil. thesis, University of Oxford
Barroso J, Pais MS (1990) Nuclear features in infected roots of Ophrys lutea Cav. (Orchidaceae). New Phytol 115: 93–98
Brand F, Agerer R (1986) Studien an Ektomykorrhizen VIII — Die Mykorrhizen von Lactarius subdulcis, Lactarius vellereus und Laccaria amethystina an Buche. Z Mykol 52: 287–320
Carrapiço F, Martins A, Pais MS (1982) The use of alkaline iodidesosmium tetroxide mixtures on the study of plant cell structures. Proc 10th Int Congr Electron Microsc 3: 289–290
Dexheimer J, Gérard J, Boudarga K, Jeanmaire C (1990) Les plastes des cellules-hôtes des mycorhizes à vésicules et arbuscules. Can J Bot 68: 50–55
Duddridge JA (1980) A comparative ultrastructural analysis of a range of mycorrhizal associations. D. Phil. thesis, University of Sheffield
Fusconi A, Bonfante-Fasolo P (1984) Ultrastructural aspects of host-endophyte relationships in Arbutus unedo L. mycorrhizas. New Phytol 96: 397–410
Kottke I, Guttenberger M, Hampp R, Oberwinkler F (1987) An in vitro method for establishing mycorrhizae on coniferous tree seedlings. Trees 1: 191–194
Kottke I, Oberwinkler F (1986) Mycorrhiza of forest trees — structure and function. Trees 1: 1–24
Kreisel H (1987) Pilzflora der Deutschen Demokratischen Republik. Basidiomycetes (Gallert-, Hut- und Bauchpilze). Fischer, Jena
Largent DL, Sugihara N, Wishner C (1980) Occurrence of mycorrhizae on ericacous and pyrolaceous plants in northern California. Can J Bot 58: 2274–2279
Molina R, Trappe JM (1982) Lack of mycorrhizal specificity by the ericaceous hosts Arbutus menziesii and Arctostaphylos uva-ursi, New Phytol 90: 495–509
Münzenberger B (1991) Lösliche und zellwandgebundene Phenole in Mykorrhizen und nicht mykorrhizierten Wurzeln der Fichte (Picea abies [L.] Karst.) und des Erdbeerbaumes (Arbutus unedo L.) und ihre Bedeutung in der Pilz-Wurzel-Interaktion. Diss, Tübingen
Read DJ (1983) The biology of mycorrhiza in the Ericales. Can J Bot 61: 985–1004
Rivett MF (1924) The root tubercles in Arbutus unedo. Ann Bot 38: 661–677
Robertson DC, Robertson JA (1985) Ultrastructural aspects of Pyrola mycorrhizae. Can J Bot 63: 1089–1098
Scannerini S, Bonfante-Fasolo P (1983) Comparative ultrastructural analysis of mycorrhizal associations. Can J Bot 61: 917–943
Spurr AR (1969) A low viscosity epoxy resin embedding medium for electron microscopy. J Ultrastruct Res 26: 31–43
Williamson B (1970) Induced DNA synthesis in orchid mycorrhiza. Planta 92: 347–354
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Münzenberger, B., Kottke, I. & Oberwinkler, F. Ultrastructural investigations of Arbutus unedo-Laccaria amethystea mycorrhiza synthesized in vitro. Trees 7, 40–47 (1992). https://doi.org/10.1007/BF00225230
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00225230