Эффективность фунгицидов в защите озимой пшеницы от септориоза в Беларуси

The perennial data (20072013) of 24 fungicides efficacy ranged depend on amount of reactant for protection of winter wheat against Septoria tritici blotch are summarized. It is shown that biological and economical efficacy of fungicides does not depend on reactant amount. Choosing fungicide you should pay attention to biological threshold of harmfulness and preparation cost.