Control of Fusarium wilt of melon by combined treatment with biocontrol, plant-activating, and soil-alkalizing agents
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Fusarium wilt of melon is one of the destructive diseases of melon worldwide. To develop a method to control the soilborne disease Fusarium wilt of melon, we applied various combinations of a crop-protective microbe, a plant activator, and a soil pH increaser during seedling cultivation in preliminary greenhouse tests and chose the crop-protective Fusarium oxysporum strain SL0037, plant activator probenazole (PBZ), and soil-alkalizer slag fertilizer (SFR) for further tests in the field. From 2012 to 2014, the effects of treatment combinations with SL0037, PBZ, and SFR were tested in a field that was amended with the melon wilt pathogen F. oxysporum f. sp. melonis. Although disease incidence varied among the 3 years of the study, the main stem of melon plants was longer than that of the untreated control plants or those treated with one or two of the three agents. Results suggest a combination of SL0037, PBZ, and SFR treatments can be used to control Fusarium wilt of melon and improve growth of melon plants.
KeywordsFusarium wilt of melon Fusarium oxysporum Probenazole Converter slag
We are grateful to Drs. Yoshiro Mikoshiba, Seiji Kanematsu, Takashi Kobayashi, Ryo Yamamoto, Koya Sugawara, and Megumi Yoshida for valuable suggestions; Kazuhiro Hayasaka, Yoichi Kodate, and Masayuki Goto for technical assistance in the field experiments; and the members of the Department of Planning and General Administration for their cooperation.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no competing interests.
This article does not contain any studies with human participants or animals performed by any of the authors.
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