{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T05:31:13Z","timestamp":1780723873888,"version":"3.54.1"},"reference-count":55,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2025,5,27]],"date-time":"2025-05-27T00:00:00Z","timestamp":1748304000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Plant Cell &amp;amp; Environment"],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Fusarium wilt, caused by <jats:italic>Fusarium oxysporum<\/jats:italic> (Fo), is a destructive fungal disease that reduces crop yield and quality. Hydrogen sulphide (H<jats:sub>2<\/jats:sub>S), a critical signalling molecule, modulates plant defence responses; however, its role and mechanism in combating Fo remain elusive. This study reveals that exogenous NaHS (an H<jats:sub>2<\/jats:sub>S donor) enhances watermelon resistance to <jats:italic>Fusarium oxysporum<\/jats:italic> f. sp. <jats:italic>niveum<\/jats:italic> race 2 (FON2), accompanied by elevated hydrogen peroxide (H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub>) and methyl jasmonate (MeJA) levels. Exogenous H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> and MeJA also enhance FON2 resistance. Conversely, silencing <jats:italic>respiratory burst oxidase homologue F<\/jats:italic> (<jats:italic>ClRBOHF<\/jats:italic>) and <jats:italic>jasmonic acid carboxyl methyltransferase<\/jats:italic> (<jats:italic>ClJMT<\/jats:italic>), key genes for H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> and MeJA biosynthesis, respectively, inhibits NaHS\u2010induced resistance to FON2. Deletion of <jats:italic><jats:sc>l<\/jats:sc>\u2010cysteine desulfhydrase<\/jats:italic> (<jats:italic>ClLCD<\/jats:italic>), a pivotal gene for H<jats:sub>2<\/jats:sub>S generation, reduces FON2 resistance, but this reduction is restored by H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> or MeJA supplementation. Upon FON2 infection, exogenous H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> elevates MeJA levels; however, silencing <jats:italic>ClRBOHF<\/jats:italic> suppresses NaHS\u2010induced MeJA accumulation. Furthermore, silencing <jats:italic>ClClJMT<\/jats:italic> inhibits H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub>\u2010induced FON2 resistance, while MeJA supplementation rescues the reduced resistance caused by <jats:italic>ClRBOHF<\/jats:italic> silencing. Collectively, these findings demonstrate that H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub>\u2010dependent MeJA plays a crucial role in regulating H<jats:sub>2<\/jats:sub>S\u2010induced watermelon resistance to FON2. The growing focus on reducing pesticide use highlights the potential of this mechanism for combating Fo sustainably.<\/jats:p>","DOI":"10.1111\/pce.15654","type":"journal-article","created":{"date-parts":[[2025,5,27]],"date-time":"2025-05-27T06:48:25Z","timestamp":1748328505000},"page":"6618-6631","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["H<sub>2<\/sub>O<sub>2<\/sub>\u2010Dependent Methyl Jasmonate Regulates H<sub>2<\/sub>S\u2010Induced Resistance to <i>Fusarium oxysporum<\/i> f. sp. <i>niveum<\/i> Race 2 in <i>Citrullus lanatus<\/i>"],"prefix":"10.1111","volume":"48","author":[{"given":"Shiyu","family":"Li","sequence":"first","affiliation":[{"name":"College of Horticulture Northwest A&amp;F University Yangling China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tongshu","family":"Zhao","sequence":"additional","affiliation":[{"name":"College of Horticulture Northwest A&amp;F University 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