11 Danish Institute of Agricultural Sciences Flakkebjerg French data from strobilurin trials T1 and T2Yield increase from adding strobe or Opus hkg/ha + 2 x 0.2 strobi + 2 x 0.2 Opus + 2 x 0.2 Comet 3.3 3.0 - 3.2 3.9 4.0 3.4 1.5 5.4 No of trials825230 Resistant levelHigh >30%Low <30% Kilde: Claude Maumene Arvalis Basic treatments with 2 x (0.2-0.6 l Opus)