Research note: Inactivation efficiency of ozonated water for fusarium oxysporum conidia under hydroponic greenhouse conditions

Noriyuki Igura, Masatoshi Fujii, Mitsuya Shimoda, Isao Hayakawa

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Ozonated water was used for inactivation of Fusarium oxysporum conidia in sterilized water and inorganic soil-less nutrient medium at different treatment temperatures. F. oxysporum conidia were effectively inactivated in both water and nutrient media and the inactivation curves were almost same at 15°C, 25°C and 30°C. Approximate 4-log orders of F. oxysporum conidia were killed when the ozonated water with initial ozone concentration of 1.0 ppm had been used. The surviving curves, however, were characterized by a tailing-off effect, and the effect was related to the residual ozone concentration in the ozone treated suspensions.

Original languageEnglish
Pages (from-to)517-521
Number of pages5
JournalOzone: Science and Engineering
Volume26
Issue number5
DOIs
Publication statusPublished - Nov 8 2004

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hydroponics
Greenhouses
Ozone
ozone
Water
Nutrients
tailings
water
Tailings
Suspensions
Soils
soil
temperature
effect
nutrient medium
Temperature

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry

Cite this

Research note : Inactivation efficiency of ozonated water for fusarium oxysporum conidia under hydroponic greenhouse conditions. / Igura, Noriyuki; Fujii, Masatoshi; Shimoda, Mitsuya; Hayakawa, Isao.

In: Ozone: Science and Engineering, Vol. 26, No. 5, 08.11.2004, p. 517-521.

Research output: Contribution to journalArticle

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