Tests to assess the damage caused by the olive psyllid Euphyllura olivina Costa (Homoptera, Psyllidae): preliminary data on the harmfullness threshold

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Bibliographic Details
Main Authors: Jardak, T. (Institut de l'Olivier de Tunisie, Sfax (Tunisia)), Commission of the European Communities, Brussels (Belgium). Directorate-General for Agriculture eng, Smiri, H., Moalla, M., Khalfallah, H., Cavallaro, R. (ed.), Crovetti, A. (ed.), International Organization for Biological Control, Paris (France). West Palearctic Regional Section eng, FAO, Rome (Italy) eng
Format: Texto biblioteca
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Published: Rotterdam (Netherlands) Balkema for CEC 1985
Subjects:PSYLLA, PESTS OF PLANTS, OLEA EUROPAEA, PEST INSECTS, ANIMAL POPULATION, INFESTATION, FLOWERS, FERTILITY, CROP LOSSES, RAVAGEUR DES PLANTES, PLAGAS DE PLANTAS, INSECTE NUISIBLE, POPULATION ANIMALE, FLEUR, FERTILITE, PERTE DE RECOLTE, INSECTOS DANINOS, POBLACION ANIMAL, INFESTACION, FLORES, FERTILIDAD, PERDIDAS DE LA COSECHA,
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