Concentration dynamics of SBI and QoI fungicides in sugar beet leaves

Vittorio Rossi, Luca Languasco, Francesca Moggi, Giancarlo Beltrami, Giangranco Maines, Pierluigi Meriggi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A three-year trial was carried out in order to study the long-term dynamics of foliar concentration of two fungicides belonging to the SBI (Sterol Biosysnthesis Inhibitor) and QoI (Quinone outside Inhibitor) groups, the most important active substances used in controlling Cercospora leaf spot. Fungicides were applied following the usual schedule, with three sprays per season at 20-day intervals. Foliar concentrations of both fungicides were tested after 1, 3, 9 and 18 days after application. Results showed that the foliar concentration of these substances changes according to fungicide characteristics, application time, time elapsed after distribution, and size of sugar beet canopy. These results suggest new approaches for applying fungicides to control Cercospora leaf spot epidemics.
Original languageEnglish
Title of host publicationProceedings of the 69th IIRB Congress
Pages269-277
Number of pages9
Publication statusPublished - 2006
Event69th IIRB Congress - Bruxelles, Belgium
Duration: 15 Feb 200616 Feb 2006

Conference

Conference69th IIRB Congress
CityBruxelles, Belgium
Period15/2/0616/2/06

Keywords

  • Cercospora beticola
  • Foliar concentration
  • QoI
  • SBI

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