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<p>In June 2024, interveinal yellowing on leaves of melon (<i>Cucumis melo</i> L.) plants was observed in Shiga Prefecture, Japan. The deduced amino acid sequences for six open reading frames (ORFs) shared over 92.9% identity with those of cucurbit aphid-borne yellows virus (CABYV) isolates from Japan, South Korea, and China. CABYV was transmitted from diseased to healthy plants by <i>Aphis gossypii</i> Glover, and the newly infected leaves developed the interveinal yellowing. This is the first report of CABYV infecting melon in Japan, and we propose the addition of CABYV as a causal agent of melon yellowing disease in Japan.</p>

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First report of cucurbit aphid-borne yellows virus causing yellowing disease on melon in Japan

  • 期刊论文

  • 发表日期：

    2026年7月15日

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  • Yoshiya Obata,
  • Daisuque Kitano,
  • Daiki Kado,
  • Toshiyuki Matsumoto,
  • Makoto Kaneko

摘要

In June 2024, interveinal yellowing on leaves of melon (Cucumis melo L.) plants was observed in Shiga Prefecture, Japan. The deduced amino acid sequences for six open reading frames (ORFs) shared over 92.9% identity with those of cucurbit aphid-borne yellows virus (CABYV) isolates from Japan, South Korea, and China. CABYV was transmitted from diseased to healthy plants by Aphis gossypii Glover, and the newly infected leaves developed the interveinal yellowing. This is the first report of CABYV infecting melon in Japan, and we propose the addition of CABYV as a causal agent of melon yellowing disease in Japan.