Management of European Red Spicier Mite, Panonychus ulmi, at the Overwintering Egg Stage on Apple

摘要

Studies were carried out on the effectiveness of some oils and acaricides in the laboratory and field conditions against the overwintering eggs of Panonychus ulmi during the years 2004 and 2005. Among the treatment combinations used, diesel oil 4.76%+dicofol 0.03%; H.P.spray oil 2.5%+ azadirachtin 0.2%; diesel oil 4% +azadirachtin o.2% were found highly effective against the overwintering mite eggs on apple in the field.