Dravy roztoc Typhlodromus pyri jako prostredek biologicke regulace fytofagnich roztocu na reve vinne

The long-term residual efficacy of 16 pesticides to the predatory phytoseiid mite, Typhlodromus pyri Scheuten, inhabiting commercial sprayed vineyards in South Moravia, Czechoslovakia, was evaluated in laboratory bioassays. Omethoate, chloropyrifos-methyl and esfenvalerate were assessed as harmful and should not be sprayed. Mancozeb-efosite-Al mixture, diazinon, dicofol, bromopropylate, anziphos-ethyl and phosmet were assessed as moderately harmful. Fenitrothion, phosalone and manzcozeb were assessed as slightly harmful and some of them had delayed detrimental effect on the predatory mites. These pesticides can be used only cautiously in IPM programs. Sulphur, penconazole, trimorfamid and endosulfan were assessed as harmless and can be recommended for vineyards with T. pyriAvailable from STL Prague, CZ / NTK - National Technical LibrarySIGLECZCzech Republi