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275 acres VEGETABLE 3/plant 40 plants 780.00/ha including consultant acephate aleurodes vaporariorum aphid Canada CENTER HEADQUARTERS commercial greenhouse control in glasshouses Control on Greenhouse Control on Poinsettia Coshocton County1 crops grown cucumber EASTERN OHIO RESOURCE Encarsia formosa Gahan Encarsia introduced FOLIAGE FOREST LABORATORY Greenhouse Crops RICHARD greenhouse tomatoes greenhouse whitefly I5 plants IIIPercent parasitism estimated insect and mite insecticides Integrated Control leaves on I5 LINDQUIST mite control Mites on Greenhouse miticides natural enemies Netherlands 780.00/ha including number of parasites OARDC Ohio Agricultural Research OHIO RESOURCE DEVELOPMENT Ohio State University ornamental plants Parasites for Whitefly Parr Percent nymphs parasitized Pest-in-First pesticide resistance Phytoseiulus mites Phytoseiulus to control plants in compartment poinsettia stock plants Pomerene Forest predators PUPA rearing Research and Development Selected pesticides spider mite populations Sweden Tetranychus urticae two-spotted spider mite U. S. GREENHOUSES vegetable crops Wayne County whitefly adults Whitefly Control Woets WOLGAMOTT Wooster