Aplicarea preparatelor ecologice inofensive contra Podosphaera leucotricha la măr

The powdery mildew (Podosphaera leucotricha) can induce more than 60-80% damages of apple trees. Harmless organic preparations are proposed for reducing losses caused by the pathogen on apple fruits. The study of the microbiological products biological efficacy in the powdery mildew control were carried out on apple variety Renet Simirenco. The biological efficacy of 10.0 l/ha Rizoplan + Trichodermin-SC in the control of P. leucotricha consisted 77.1% and 80.8% after the first and the second evidence, respectively.