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Using horticultural spray oils to control orchard pests Öffentlichkeit Deposited

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https://ir.library.oregonstate.edu/concern/administrative_report_or_publications/6m311p50d

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  • Petroleum oils have been used to suppress insect and mite pests for 100 years. Beginning in the 1880's, when kerosene was first used to control scale and aphids, to the present use of highly refined petroleum derivatives, these products have provided growers with a unique tool in their battle against the ravages of pest attack unique because no target pest species has developed resistance to them. Despite the broad-spectrum insect control that spray oils can provide, many growers have refused to use them, especially in the foliar period, because of concerns about possible plant damage and incompatibility with other chemicals. In addition, growers have tended to view all oils, diverse as they may be, as one product with a single set of chemical and physical attributes. Our purpose in this publication is to outline the characteristics of spray oils and to discuss their uses and potential misuses. We will emphasize oils as they may be used on tree fruit grown in the Pacific Northwest.
  • Published September 1988. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
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  • File scanned at 300 ppi (Monochrome, 256 Grayscale) using Capture Perfect 3.0.82 on a Canon DR-9080C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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