Japanese Journal of Phytopathology
Online ISSN : 1882-0484
Print ISSN : 0031-9473
ISSN-L : 0031-9473
A New Variety of Verticillium sphaerosporum, an Endoparasite of Nematodes and Its Antagonism to Soil-borne Plant Pathogens
Tsuneo WATANABE
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1980 Volume 46 Issue 5 Pages 598-606

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Abstract

A new variety of Verticillium sphaerosporum Goodey isolated from conidia produced on dead nematodes on water agar originally plated with decaying strawberry root tissues, showed endoparasitic effects against some nematodes tested, including Aphelenchoides, Cephalobus, and Panagrolaimus sp. This fungus in dual culture on potato-dextrose agar with each of 91 isolates of various soil-borne plant pathogens and saprophytic soil fungi caused more than 50% inhibition of radial mycelial growth in Alternaria sp., Phoma sp., Pithomyces sp., Pythium splendens, P. sylvaticum, Rhizoctonia solani, and Trichocladium sp.

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