Fungi invading roots of perennial ryegrass (Lolium perenne L.) in pasture
作者： R. A. Skipp , M. J. Christensen
DOI: 10.1080/00288233.1989.10421762
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摘要: Abstract Fungal invasion of roots in perennial ryegrass turf samples taken during Autumn, from 18 sites New Zealand, was investigated by microscopy and plate culture isolation techniques. The most frequently encountered fungi were Phialophora radicicola Cain sterile with dark or hyaline mycelium. Other deuteromycetes, particularly Codinaea fertitis Hughes … Kendrick, Fusarium oxysporum Schlecht., Periconia macrospinosa Lefebvre A.G. Johnson, Penicillium spp., Trichoderma basidiomycetes, vesicular-arbuscular mycorrhizal also common. Two additional sampled over a 7-month period to examine the effects root age, season, fungicide treatment. Fungi not affected season treatment (benomyl triadimefon plus iprodione), but brown (old) colonised more than white (young) roots. Fifty 51 isolates commonly found invaded seedlings grown axenica1ly on water agar. Gaeumannomy...
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