Australian Journal of Botany Australian Journal of Botany Society
Southern hemisphere botanical ecosystems
RESEARCH ARTICLE

An Immunofluorescence Technique for Detecting Phytophthora cinnamomi Rands

N Malajczuk, AJ Mccomb and CA Parker

Australian Journal of Botany 23(2) 289 - 309
Published: 1975

Abstract

Fluorescein-labelled antibodies were prepared for 'cell-wall' and 'soluble' antigens from P. cinnamomi. Those prepared against the cell wall fraction were superior for observing P. cinnamomi hyphae with the fluorescence microscope. Antibody-stained hyphae could be distinguished among hyphae from a wide range of fungal groups. P. cinnamomi hyphae could be seen on root surfaces and, although definition was hampered by plant tissue fluorescence, in infected roots. P. cinnamomi could not be detected in forest soil shown by baiting techniques to contain the pathogen, but was detected, and assayed quantitatively, in samples from laboratory soil cultures.

https://doi.org/10.1071/BT9750289

© CSIRO 1975


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