A survey of natural parasitism of mirid bugs by parasitoids on apples and pears in Norway

Autor: Jaastad, G., Trandem, N., Hovland, B., Djønne, R. T.
Přispěvatelé: Boos, Markus
Jazyk: němčina
Rok vydání: 2008
Předmět:
Popis: Mirid bugs are important pests in both integrated and organic fruit production. In a survey in 2006 the proportion of mirids parasitized by parasitoids was investigated in 18 Norwegian orchards. More than 50 beating samples were collected from apple and pear orchards under integrated and organic management in different areas of Norway. About 30% of nymphs of the most abundant mirid bug species, Lygocoris pabulinus, Ortholylus marginalis and Psallus ambiguus, were parasitized. Important factors for enhancing biological control in organic fruit production are discussed.
Databáze: OpenAIRE