Effects of Spraying Ozonated Water on the Severity of Powdery Mildew Infection on Cucumber Leaves

Effects of spraying ozonated water on the severity of powdery mildew infection, visible disorder/injury occurrence, and net photosynthesis in cucumbers were investigated. The severity in the ozonated water treatment was contained to almost the same level throughout the 14-day period of the experimen...

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Bibliographic Details
Published in:Ozone: science & engineering 2002, Vol.24 (6), p.463-469
Main Authors: Fujiwara, Kazuhiro, Fujii, Takuya
Format: Article
Language:English
Subjects:
Agricultural Applications
Biological and medical sciences
Control
Cucumber
Fundamental and applied biological sciences. Psychology
Fungal plant pathogens
Other methods
Ozone
Phytopathology. Animal pests. Plant and forest protection
Powdery Mildew
Sphaerotheca fuliginea
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Summary:Effects of spraying ozonated water on the severity of powdery mildew infection, visible disorder/injury occurrence, and net photosynthesis in cucumbers were investigated. The severity in the ozonated water treatment was contained to almost the same level throughout the 14-day period of the experiment, while the severity steadily increased in the non-treated control and distilled water treatment. Neither visible disorder/injury on the leaves nor a large difference in net photosynthesis between before and after spraying the ozonated water was observed. The results indicate that ozonated water can be at least a partial alternative to agricultural chemical fungicides for powdery mildew on cucumber leaves.
ISSN:0191-9512
1547-6545
DOI:10.1080/01919510208901635