Induction of antiviral responses by acibenzolar-s-methyl against cucurbit chlorotic yellows virus in Melon

Minoru Takeshita, Mitsuru Okuda, Shiori Okuda, Ayaka Hyodo, Kaori Hamano, Naruto Furuya, Kenichi Tsuchiya

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Cucurbit chlorotic yellows virus (CCYV) (family Closteroviridae, genus Crinivirus) is an emerging virus which causes severe diseases on melon (Cucumis melo) plants. CCYV-infected melon plants display yellowing, mottling, chlorosis, or chlorotic spots on leaves. To develop a new control strategy, the potential for 1,2,3-benzothiadiazole-7-thiocarboxylic acid-S-methyl-ester (ASM) to suppress CCYV infection was evaluated. ASM treatment on melon plants greatly increased the expression levels of pathogenesis-related 1a gene, a marker gene for systemic acquired resistance. ASM treatment on melon plants before inoculation of CCYV suppressed systemic symptoms and decreased CCYV accumulation. ASM treatment on melon even after inoculation of CCYV reduced disease severity and accumulation levels of CCYV. The results show the potential for ASM treatment on attenuation of the CCYV disease symptoms.

Original languageEnglish
Pages (from-to)960-965
Number of pages6
JournalPhytopathology
Volume103
Issue number9
DOIs
Publication statusPublished - Sep 1 2013

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Plant Science

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