Effects of sterile and non-sterile leachates extracted from composted eucalyptus bark and pine-bark container media on Phytophthora spp

G.E.St.J. Hardy; K. Sivasithamparam

doi:10.1016/0038-0717(91)90158-G

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Effects of sterile and non-sterile leachates extracted from composted eucalyptus bark and pine-bark container media on Phytophthora spp

Journal article

Peer reviewed

Effects of sterile and non-sterile leachates extracted from composted eucalyptus bark and pine-bark container media on Phytophthora spp

G.E.St.J. Hardy and K. Sivasithamparam

Soil Biology and Biochemistry, Vol.23(1), pp.25-30

1991

DOI: https://doi.org/10.1016/0038-0717(91)90158-G

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Abstract

Production of sporangia by Phytophthora cinnamomi. Phytophthora cryptogea, Phytophthora citricola, Phytophthora drechsleri and Phytophthora nicotianae var. nicotianae on Miracloth discs was compared in filter-sterilized and non-sterile lcachates extracted from a pine-bark based container medium (NM) and a composted Eucalyptus-bark medium (CEB). Sporangial production of all species was suppressed in non-sterile CEB leachate; whereas, in sterile CEB leachate it was stimulated in comparison to the NM leachate. P. drechsleri and P. cryptogea appeared to require the presence of certain microorganisms to induce zoospore release. Chlamydosporc production by P. cinnamomi was suppressed in CEB lcachates. On cornmcal and water agar mixed with filtcr-stcrilized or non-sterile leachate from NM and CEB. mycelial growth varied with leachate. agar type and Phytuphthora species. Isolates within P. drechsleri and P. cinnamomi responded differently to the extracts.

Details

Title: Effects of sterile and non-sterile leachates extracted from composted eucalyptus bark and pine-bark container media on Phytophthora spp
Authors/Creators: G.E.St.J. Hardy (Author/Creator) - The University of Western Australia
K. Sivasithamparam (Author/Creator) - The University of Western Australia
Publication Details: Soil Biology and Biochemistry, Vol.23(1), pp.25-30
Publisher: Elsevier BV
Identifiers: 991005542411607891
Copyright: © 1991 Published by Elsevier Ltd.
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Citation topics: 3 Agriculture, Environment & Ecology; 3.97 Plant Pathology; 3.97.556 Microbial Biocontrol
Web Of Science research areas: Soil Science
ESI research areas: Agricultural Sciences