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Further suppression ofBotrytis cinerea disease in cucumber seedlings by chitosan-copper complex as compared with chitosan alone

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Abstract

Chitosan-copper complex compared with chitosan alone enhanced suppression ofBotrytis cinerea rot development on four-true-leaf cucumber seedlings in controlled growth chambers. This paper constitutes the first report of such enhancement. The optimal concentrations for the most effective suppression ofBotrytis development were 0.2 gl −1 chitosan and 1.6 mmole copper. After 12 days’ incubation, marked and significantly better disease suppression was obtained with chitosan-copper complex (75% suppression) than with chitosan alone. The chitosan-copper complex could be a very promising decay control agent for use in both conventional and organic agriculture.

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Author information

Correspondence to E. Fallik.

Additional information

http://www.phytoparasitica.org posting Dec. 18, 2002.

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Ben-Shalom, N., Fallik, E. Further suppression ofBotrytis cinerea disease in cucumber seedlings by chitosan-copper complex as compared with chitosan alone. Phytoparasitica 31, 99 (2003). https://doi.org/10.1007/BF02979773

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Key words

  • Cucumis sativus
  • gray mold
  • Botrytis cinerea suppression
  • chitosan
  • copper