Japanese Journal of Phytopathology
Online ISSN : 1882-0484
Print ISSN : 0031-9473
ISSN-L : 0031-9473
Control of Bacterial Wilt of Tomato in Hydroponic Culture by 3-Indolepropionic Acid and Its Detoxification in Tomato Plants
Mitsue DOGOHideyoshi TOYODAKazuhiko MATSUDAMiki BINGOYuko NAOKIYasunari KATOYoshinori MATSUDAHiroyuki TAMPOSeiji OUCHI
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1997 Volume 63 Issue 5 Pages 406-408


A specific growth inhibitor of Pseudomonas solanacearum, 3-indolepropionic acid, was tested for its effect on bacterial wilt of tomato in a hydroponic culture system. The compound had no apparent adverse effect on tomato plants at concentrations below 10μg/ml and completely protected tomato plants from wilting at 5-10μg/ml in the presence of 108cfu/ml of the pathogen. The compound was found to be glucosylated in tomato plants, suggesting that it could be used as a control agent of bacterial wilt for large scale hydroponic tomato culture.

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