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• Threshold systems for integrated control of foliar leaf spot diseases in sugar beet – the German ‚summarische Bekämpfungsschwelle‘ DI 5/15/45 %
  [Link: http://www.ifz-goettingen.de/media/downloads/15/iirb 2006 brussels_u kaiser et al_blattkrankheiten.pdf]
  Kaiser, U., S. Mittler, H. Rößler, B. Märländer, 69. IIRB-Kongress, 15.-16.02.2006, Brüssel, Belgien