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The observation of mycelial morphology revealed that these compounds possessed adverse effects on mycelial growth of <jats:italic>A. tenuissi<\/jats:italic>. Subsequently, the most potent active compounds, 3\u2032,4\u2032,5\u2032\u2010trimethoxy[1,1\u2032\u2010biphenyl]\u20104\u2010ol (<jats:bold>3<\/jats:bold>) and 3,4,4\u2032,5\u2010tetramethoxy\u20101,1\u2032\u2010biphenyl (<jats:bold>4<\/jats:bold>), were conducted to the further antifungal evaluation and showed significant activity against the other four crop pathogens, <jats:italic>Fusarium graminearum<\/jats:italic>, <jats:italic>Helminthosporium maydis<\/jats:italic>, <jats:italic>Sclerotinia sclerotiorum<\/jats:italic>, and <jats:italic>Exserohilum turcicum<\/jats:italic>. Further, the structure\u2010activity relationships and biosynthesis of these compounds were speculated in this work.<\/jats:p>","DOI":"10.1002\/cbdv.202100079","type":"journal-article","created":{"date-parts":[[2021,4,6]],"date-time":"2021-04-06T07:21:11Z","timestamp":1617693671000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Antifungal Biphenyl Derivatives from <i>Sorbus pohuashanensis<\/i> Leaves Infected by <i>Alternaria tenuissi<\/i> and Their Effect against Crop Pathogens"],"prefix":"10.1002","volume":"18","author":[{"given":"Chenggang","family":"Song","sequence":"first","affiliation":[{"name":"Laboratory of Natural Products Chemistry College of Plant Science Jilin University  Changchun 130062 P. R. 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China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuxuan","family":"Wang","sequence":"additional","affiliation":[{"name":"Zhejiang Provincial Key Laboratory of Chemical Utilization of Forestry Biomass Zhejiang A&amp;F University  Hangzhou Shi Lin'an 311300 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shengxiang","family":"Yang","sequence":"additional","affiliation":[{"name":"Zhejiang Provincial Key Laboratory of Chemical Utilization of Forestry Biomass Zhejiang A&amp;F University  Hangzhou Shi Lin'an 311300 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianchun","family":"Qin","sequence":"additional","affiliation":[{"name":"Laboratory of Natural Products Chemistry College of Plant Science Jilin University  Changchun 130062 P. R. 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