Responses of potato tuber to infection by Fusarium sambucinum

作者: H Ray , R Hammerschmidt

DOI: 10.1006/PMPP.1998.0165

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摘要: Abstract Fusarium sambucinum causes dry rot in tubers of Solanum tuberosum . Since relatively little is known about the nature disease development, infection F. on tissue discs prepared from potato varieties that are susceptible or moderately resistant to this was studied. Increases lignin content, and polyphenol oxidase peroxidase activities were detected after infection. Peroxidase increased most strongly tuber just ahead advancing hyphae. Constitutive activity highest more as compared varieties. Polyphenol well content chorogenic acid sesquiterpenes rishitin, lubimin, phytuberin phytuberol a result These increases correlated with amount infected rather than resistance

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