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The Testing of TiO2 Photocatalityc Reaction to Inhibit of Botryotinia fuckeliana

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  • Fumiyuki Kobayashi
  • Sachiko Odake
  • Hiromi Ikeura
  • Tomoka Miura
  • Yasuyoshi Hayata

Abstract

We studied the antifungal activity of the titanium dioxide (TiO2) photocatalytic reaction, which shows antibacterial effects under UVA (315 - 400 nm) irradiation, against Botryotinia fuckeliana. Under the UVA irradiation of 1.0 mW/cm, growth of B. fuckeliana treated with TiO2 solution was inhibited 55% more than that treated with sterile distilled water (SDW). Its effectiveness was almost same as chlorothalonil, a commercial fungicide. Furthermore, even TiO2 solution at lower concentration showed antifungal activity by TiO2 photocatalytic reaction under UVA irradiation, since growth of B. fuckeliana treated with TiO2 solution at 8.5 × 10-2 mg/l was significantly decreased compared to that treated with SDW. These results suggested that the TiO2 photocatalytic reaction might be available as a novel fungicide against phytopathogens generated before harvesting such as B. fuckeliana.

Suggested Citation

  • Fumiyuki Kobayashi & Sachiko Odake & Hiromi Ikeura & Tomoka Miura & Yasuyoshi Hayata, 2012. "The Testing of TiO2 Photocatalityc Reaction to Inhibit of Botryotinia fuckeliana," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 4(4), pages 274-274, February.
    • Handle: RePEc:ibn:jasjnl:v:4:y:2012:i:4:p:274
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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