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<p>Gray mold disease caused by <i>Botrytis cinerea</i> is a significant problem in many crops, including cut roses. Electrolyzed water has been developed to address this problem by applying dip or spray treatment. However, the efficiency of electrolyzed water applications has been one of the main focuses. This study investigated a novel volatilized slightly acidic electrolyzed water (SAEW) concerning its ability to suppress the disease development in a commercial packaging arrangement. Conidial germination tests using conidia on a petri dish and petal medium were assessed with SAEW concentrations of 0, 5000, 10,000, 15,000, and 20,000&#xa0;µg/m<sup>2</sup>. Two main rose arrangement tests, a randomized arrangement and a wrapped arrangement utilizing a porous oriented-polypropylene (OPP) film of commercial use with a maximum rose density of 50 flowers were conducted. The cut rose flowers were prepared and treated with volatilized SAEW inside a wide plastic chamber. The results showed that by applying 20,000&#xa0;µg/m<sup>2</sup> volatilized SAEW, the conidial germination of <i>B. cinerea</i> was inhibited by 97.7% and 84.2% on average in petri dish medium and rose petal medium, respectively. Furthermore, volatilized SAEW at concentrations of 10,000 and 20,000&#xa0;µg/m<sup>2</sup> effectively suppressed the disease lesions in a randomized or wrapped rose arrangement. Our study demonstrated that using an OPP film, volatilized SAEW can still inhibit <i>B. cinerea</i> development even under compact density and/or wrapped packaging. This study suggests that volatilized SAEW could be a promising tool as a practical method for treating cut roses during storage under commercial packaging conditions.</p>

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Evaluating the suppressive effect of volatilized slightly acidic electrolyzed water against gray mold disease, Botrytis cinerea, on cut rose flowers under different flower arrangements

  • 期刊论文

  • 发表日期：

    2025年10月25日

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  • Alvian Nur Hidayat,
  • Mareto Hamatani,
  • Takashi Soejima,
  • Takashi Kobayashi,
  • Shu Hase

摘要

Gray mold disease caused by Botrytis cinerea is a significant problem in many crops, including cut roses. Electrolyzed water has been developed to address this problem by applying dip or spray treatment. However, the efficiency of electrolyzed water applications has been one of the main focuses. This study investigated a novel volatilized slightly acidic electrolyzed water (SAEW) concerning its ability to suppress the disease development in a commercial packaging arrangement. Conidial germination tests using conidia on a petri dish and petal medium were assessed with SAEW concentrations of 0, 5000, 10,000, 15,000, and 20,000 µg/m2. Two main rose arrangement tests, a randomized arrangement and a wrapped arrangement utilizing a porous oriented-polypropylene (OPP) film of commercial use with a maximum rose density of 50 flowers were conducted. The cut rose flowers were prepared and treated with volatilized SAEW inside a wide plastic chamber. The results showed that by applying 20,000 µg/m2 volatilized SAEW, the conidial germination of B. cinerea was inhibited by 97.7% and 84.2% on average in petri dish medium and rose petal medium, respectively. Furthermore, volatilized SAEW at concentrations of 10,000 and 20,000 µg/m2 effectively suppressed the disease lesions in a randomized or wrapped rose arrangement. Our study demonstrated that using an OPP film, volatilized SAEW can still inhibit B. cinerea development even under compact density and/or wrapped packaging. This study suggests that volatilized SAEW could be a promising tool as a practical method for treating cut roses during storage under commercial packaging conditions.