influence of predatory mites on the population development of Panonychus ulmi Koch on apple; effect of some pesticides on the predatory bugs Anthocoris nemorum L. and Orius spec. and on the woolly aphid parasite Aphelinus Mali Hald

M. van de Vrie, D. Kropczynska

    Research output: Book/ReportReportProfessional

    Original languageEnglish
    Place of PublicationWageningen
    Number of pages15
    Publication statusPublished - 1967

    Publication series

    NameMededelingen / Instituut voor plantenziektenkundig onderzoek
    No.no. 431-432

    Keywords

    • trombidiidae
    • tetranychus urticae
    • bryobia
    • plant pests
    • biological control
    • invertebrates
    • beneficial organisms
    • fruit growing
    • apples
    • malus
    • mesostigmata
    • dermanyssidae
    • phytoseiidae
    • plant protection
    • insecticides
    • acaricides
    • molluscicides
    • pesticides
    • adverse effects
    • nontarget effects
    • nontarget organisms

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