Journal of the Japanese Society for Horticultural Science
Online ISSN : 1880-358X
Print ISSN : 0013-7626
ISSN-L : 0013-7626
Dry Powder and Extract of Posidonia australis Hook. F., a species of Seagrass, Stimulate the Germination of the Pathogen Plasmodiophora brassicae and Control Clubroot of Chinese Cabbage
Shuichi HataYorinori SumiMichio Ohi
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2002 Volume 71 Issue 2 Pages 197-202

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Abstract

The germination of spores of Plasmodiophora brassicae was stimulated by the treatment with the dry powder and extract of Posidonia australis, a species of Seagrass, collected from the coast of southern Australia. The formation of clubroots in Chinese cabbage was prevented by a treatment with the dry powder and extract, attributed to the stimulation of the germination of Plasmodiophora spores, indicating that the preparations are useful to control clubroot.

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