Annual Report of The Kansai Plant Protection Society
Online ISSN : 1883-6291
Print ISSN : 0387-1002
ISSN-L : 0387-1002
Original Articles
Biological control of broccoli black rot by a nonpathogenic Xanthomonas sp. strain
Hirofumi NagaiNoriyuki MiyakeShinro KatoDaisuke MaekawaYasuhiro Inoue
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2014 Volume 56 Pages 55-59

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Abstract

We examined the potential for biological control of broccoli black rot, caused by Xanthomonas campestris pv. campestris, using a stock solution of a nonpathogenic strain, Xanthomonas sp. 11-100-01. The results are based on four times of field experiment. Our results suggest effective disease control was achieved, but at levels inferior to those obtained using a basic copper sulfate wettable powder. However, control was equal to that obtained using the Pseudomonas fluorescens wettable powder and was significantly higher than in the non-treated plants. In addition, the basic copper sulfate wettable powder induced phytotoxicity symptoms such as black spots on the leaves, whereas the 11-100-01 stock solution produced no symptoms. This is the first report of the biological control of broccoli black rot using a nonpathogenic Xanthomonas strain.

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© 2014 The Kansai Plant Protection Society
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