The Third Naturally Occurring Attractant toward Zoospores of Phytopathogenic Aphanomyces cochlioides from the Spinacia oleracea Host Plant(Organic Chemistry)

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概要

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• A bioassay-guided survey of spinach leaf constituents resulted in 5,4'-dihydroxy-3,3'-dimethoxy-6,7-methylenedioxyflavone being identified as the third naturally-occurring attractant in the host plant toward the zoospores of its pathogen, Aphanomyces cochlioides. The isolate showed attracting activity around Chromosorb W AW particles (60-80 mesh) coated with a 10^<-5> M solution in a zoospore suspension. However, this activity was 1/100-1/1000 less than that of cochliophilin A, an attractant in the roots of spinach. Bioassays with the present isolate and related compounds revealed that 5,3',4'-trihydroxy-3-methoxy-6,7-methylenedioxyflavone did not possess attractant activity, but rather weak antagonistic activity toward the former two attractants from spinach.

• 社団法人日本農芸化学会の論文
• 2001-08-23

著者

• Ogawa Y

  Division Of Applied Bioscience Graduate School Of Agriculture Hokkaido University

• Tahara Satoshi

  Division Of Applied Bioscience Graduate School Of Agriculture Hokkaido University:crest Japan Scienc

• Ogawa Yuko

  Division Of Applied Bioscience Graduate School Of Agriculture Hokkaido University

• OHKAWA Kaori

  Division of Applied Bioscience, Graduate School of Agriculture, Hokkaido University

• TAKAYAMA Tomohiko

  Division of Applied Bioscience, Graduate School of Agriculture, Hokkaido University

• Ohkawa Kaori

  Division Of Applied Bioscience Graduate School Of Agriculture Hokkaido University

• Takayama Tomohiko

  Division Of Applied Bioscience Graduate School Of Agriculture Hokkaido University

• Tahara Satoshi

  Division Of Applied Bioscience Graduate School Of Agriculture Hokkaido University:crest Japan Scienc

• Tahara Satoshi

  Division Of Applaied Bioscience Graduate School Of Agriculture Hokkaido University

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