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Honey bee diseases and their control

Creator:: Johansen, C. A. (Carl A.), Burgett, D. M., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, and United States. Department of Agriculture
Abstract:: Published January 1981. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: most of the healthy, young house bees. Dysentery While this is not a disease in the pathological sense

Bees of northwestern America : Halictus (Hymenoptera : Halictidae)

Creator:: Roberts, Radclyffe B. (Radclyffe Burnand), 1938-
Abstract:: Diagnoses, synonymies, range maps, and an illustrated key are provided for the six species of Halictus found in the Northwest: H. confusus, H. farinosus, H. ligatus, H. rubicundus, H. tripartitus, and H. virgatellus. Observations by Chandler, Dolphin, and Roberts on nesting and foraging behavior is combined with a review of...
Resource Type:: Technical Report
Full Text:: -------------------------------------------------------------------------------------------------------- 4 Key to the Halictus Species of the Pacific Northwest

Bees of northwestern America : Agapostemon (Hymenoptera : Halictidae)

Creator:: Roberts, Radclyffe B. (Radclyffe Burnand), 1938-
Abstract:: Diagnoses, synonymies, range maps, and an illustrated key are provided for the six species of Agapostemcn found in the Northwest: A. angelicus, A. coloradinus, A. femoratus, A. melliventris, A. texanus, and A. virescens. Adults of both sexes of A. virescens share a nest. Peculiar linearly paired male-female cells in nests...
Resource Type:: Technical Report
Full Text:: American Halictinae. Key words: Bees, Agapostemon, synonymy, key, Pacific Northwest, biology

Bees of the Pacific Northwest : key to Lasioglossum species for females of the subgenera Hemihalictus, Sphecodogastra, and Evylaeus in Oregon (Hymenoptera : Halictidae)

Creator:: Engler, Joseph D., Gorman, Mark, Cappaert, David, Stanton, Marek, Best, Lincoln R., and Jackson, August S.
Abstract:: The following taxonomic keys are adapted in part from the subgeneric and species descriptions and keys produced by McGinley (2003), Gibbs et al. (2013) and Gardner and Gibbs (2022). Additional identification information was provided by Jason Gibbs, Thilina Hettiarachchi (University of Manitoba), and Joel Gardner (Washington State University). While these...
Resource Type:: Technical Report
Full Text:: Stanton Lincoln R. Best August S. Jackson Bees of the Pacific Northwest: Key to Lasioglossum species

The curly top disease of vegetables in the Pacific Northwest

Creator:: Oregon State College. Agricultural Experiment Station and Dana, B. F. (Bliss F.), 1891-
Abstract:: Published June 1942. 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
Resource Type:: Technical Report
Full Text:: No. lEO) June 1942 THE CURLY TOP DISEASE OF VEGETABLES IN THE PACIFIC NORTHWEST by B. F. Dana

The curly top disease of vegetables in the Pacific Northwest

Creator:: Oregon State College. Agricultural Experiment Station and Dana, B. F. (Bliss F.), 1891-
Abstract:: Published March 1938. 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
Resource Type:: Technical Report
Full Text:: * The curly top disease was a major factor in sugar beet production in the Pacific Northwest until

The curly-top disease of vegetables in the Pacific Northwest

Creator:: Oregon State College. Agricultural Experiment Station and Dana, B. F. (Bliss F.)
Abstract:: Published March 1932. 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
Resource Type:: Technical Report
Full Text:: PACIFIC NORTUgEST by B. F. Dana* The curly-top disease which is widely distributed and well known on

The raspberry fruit worm

Creator:: Oregon State College. Agricultural Experiment Station and Mote, Don C. (Don Carlos), 1887-
Abstract:: Published March 1928. 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
Resource Type:: Technical Report
Full Text:: worm, prevalent for some time but relstive1y inactive in the Pacific Northwest, last year did more

Pathogenic characteristics of Fusarium solani isolated from inland Pacific Northwest forest nurseries

Creator:: James, Robert L., Perez, R., United States. Forest Health Protection, and United States. Forest Service. Northern Region
Abstract:: Forty-seven isolates of Fusarium solani obtained from the roots of diseased and healthy conifer seedlings and forest nursery soil were tested for pathogenicity on young Douglas-fir germinants under controlled laboratory conditions. Isolate virulence varied widely; a few were highly virulent whereas many were classified as non-pathogenic. Isolates from the roots...
Resource Type:: Technical Report
Full Text:: CHARACTERISTICS OF FUSARIUM SOLANI ISOLATED FROM INLAND PACIFIC NORTHWEST FOREST NURSERIES R.L. James, Plant

Identification and distribution of the mating-type locus and development of cleistothecia of Podosphaera macularis

Creator:: Wolfenbarger, Sierra N.
Abstract:: Podosphaera macularis, causal agent of hop powdery mildew, is known to produce cleistothecia (syn. chasmothecia) in eastern North America and Europe, but ascocarps are not reported from the Pacific Northwestern region of North America. Reasons for the apparent absence of cleistothecia in the Pacific Northwest are unknown. We established that...
Resource Type:: Masters Thesis
Full Text:: Pacific Northwest (Ocamb et al., 1999; Mahaffee et al., 2003). The disease now occurs annually in all

ScholarsArchive@OSU

Honey bee diseases and their control

Bees of northwestern America : Halictus (Hymenoptera : Halictidae)

Bees of northwestern America : Agapostemon (Hymenoptera : Halictidae)

Bees of the Pacific Northwest : key to Lasioglossum species for females of the subgenera Hemihalictus, Sphecodogastra, and Evylaeus in Oregon (Hymenoptera : Halictidae)

The curly top disease of vegetables in the Pacific Northwest

The curly top disease of vegetables in the Pacific Northwest

The curly-top disease of vegetables in the Pacific Northwest

The raspberry fruit worm

Pathogenic characteristics of Fusarium solani isolated from inland Pacific Northwest forest nurseries

Identification and distribution of the mating-type locus and development of cleistothecia of Podosphaera macularis

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