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Pear scab in Oregon

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dc.creator Kienholz, J. R. (Jess Reuben), 1904-
dc.creator Childs, Leroy, 1888-
dc.date.accessioned 2008-05-27T17:58:20Z
dc.date.available 2008-05-27T17:58:20Z
dc.date.issued 1951-11
dc.identifier.uri http://hdl.handle.net/1957/8574
dc.description Published November 1951. 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 en
dc.description Information contained within documents may be obsolete. Please check for recent information at the OSU Extension Service website: http://extension.oregonstate.edu/catalog/results.php?cat=Agriculture en_US
dc.description.abstract The pear scab fungus (Venturia pyrina Aderh.) has been in Oregon for many years. It has become a serious economic problem in the main pear-growing districts since 1932. Of all diseases, scab causes the most consistent depreciation of Oregon's 6-million-box pear crop, although pear blight may be more spectacular during occasional seasons of epidemics. During seasons favorable for scab infestations, losses of 20 to 30 per cent of the fruit have not been uncommon, and where control practices have been neglected the losses often reach 80 to 90 per cent in individual orchards. Pear scab is common in western Oregon, occasionally severe in the Hood River and Rogue River valleys, but is rare in the drier districts of eastern Oregon. Studies were started in 1932 to develop satisfactory control measures for pear scab, particularly for the tender-skinned varieties which were subject to injury by the fungicides in general use at that time. en_US
dc.language.iso en_US en_US
dc.publisher Corvallis : Agricultural Experiment Station, Oregon State College en_US
dc.relation.ispartofseries Station technical bulletin (Oregon State College. Agricultural Experiment Station) en_US
dc.relation.ispartofseries 21 en_US
dc.subject.lcsh Pear scab -- Oregon en_US
dc.title Pear scab in Oregon en_US
dc.type Technical Report en_US
dc.description.digitization Master files scanned 600 dpi (256 Grayscale) using Capture Perfect 3.0 on a Canon DR-9080C in TIF format. PDF scanned at 300 dpi (256 Grayscale) using Capture Perfect 3.0 and OmniPage Professional 15.0 for textual OCR on a Canon DR-9080C. en_US


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