The following treatments were prepared:(1) Control (soil without T-GRAN and Trichoderma)(2) T-GRAN (granulates T-GRAN)(3) T-GRAN + TRS 106 (granulates T-GRAN overgrowing by T. virensTRS 106)(4) T. virens TRS 106(5) T-GRAN + TRS 59 (granulates T-GRAN overgrowing by T.harzianum TRS 59)(6) T. harzianum TRS 59(7) T-GRAN + TRS 43 (granulates T-GRAN overgrowing by T. atro-viride TRS 43)(8) T. atroviride TRS 43(9) Seed dressing (T 75DS/WS).