Browsing by Author "Stephen, W. P."

2010 Seed production research at Oregon State University, USDA-ARS cooperating

United States. Agricultural Research Service.; Oregon State University. Dept. of Crop Science; Young, William C.; Ball, Daniel A. (Daniel Allen), 1954-; Wysocki, D. J.; Anderson, N. P.; Mellbye, M. E.; Silberstein, T. B.; Walenta, D. L.; Chastain, T. G.; Curtis, D. W.; Derkatch, A. V.; Dreves, A. J.; Garbacik, C. J.; Hinds-Cook, B. J.; Hoffman, G. D.; Hulting, A. G.; Kaser, J. M.; Mallory-Smith, C. A.; Maxfield-Taylor, S.; Rao, S.; Skyrm, K. M.; Stephen, W. P.; Dugger, B. D.; Garcia, T. S.; Gerth, W. J.; Gervais, J. A.; Giannico, G. R.; Herlihy, A. T.; Li, J. L.; Wyss, L. A.; Rondon, S. I.; Alderman, S. C.; Banowetz, G. M.; Griffith, S. M.; Mueller-Warrant, G. W.; Pfender, W. F.; Whittaker, G. W. (Oregon State University. Dept. of Crop Science, 2010)

Artificial beds for alkali bee propagation

Oregon State University. Agricultural Experiment Station; Stephen, W. P. (Corvallis, Or. : Agricultural Experiment Station. Oregon State University., 1965-02)

Bees and wasps : their control about the home

Oregon State College. Federal Cooperative Extension Service; Stephen, W. P. (Corvallis, Or. :Federal Cooperative Extension Service, Oregon State College, 1958-06)

Bees and wasps : their control about the home

Oregon State College. Federal Cooperative Extension Service; Stephen, W. P. (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1954-06)

Bumble bees of Western America (Hymenoptera: Apoidea)

Stephen, W. P. (Corvallis : Agricultural Experiment Station, Oregon State College, 1957-11)

Chalk brood disease in the leafcutting bee

Oregon State University. Agricultural Experiment Station; Stephen, W. P.; Undurraga O., Jaime M. (Corvallis, Or. : Agricultural Experiment Station. Oregon State University., 1978-01)

The design and function of field domiciles and incubators for leafcutting bee management, (Megachile rotundata (Fabricius))

Oregon State University. Agricultural Experiment Station; Stephen, W. P. (Corvallis, Or. : Agricultural Experiment Station. Oregon State University., 1981-10)

Etiology and epizootiology of chalkbrood in the leafcutting bee, Megachile rotundata (Fabricius), with notes on Ascosphaera species

Oregon State University. Agricultural Experiment Station; Stephen, W. P.; Vandenberg, J. D. (John Donald); Fichter, B. L. (Corvallis, Or. : Agricultural Experiment Station. Oregon State University., 1981-10)

Field domiciles and incubators for the leafcutting bee : their form and function in management

Oregon State University. Agricultural Experiment Station; Stephen, W. P.; Undurraga O., Jaime M. (Corvallis, Or. : Agricultural Experiment Station. Oregon State University., 1979-04)

Inhibition of chalkbrood spore germination in vitro (Ascosphaera aggregata: Ascosphaerales)

Oregon State University. Agricultural Experiment Station; Stephen, W. P.; Vandenberg, J. D. (John Donald); Fichter, B. L.; Lahm, G. (Corvallis, Or. : Agricultural Experiment Station. Oregon State University., 1982-01)

Maintaining alkali bees for alfalfa seed production

Oregon State College. Agricultural Experiment Station; Stephen, W. P. (Corvallis, Or. : Agricultural Experiment Station. Oregon State College., 1959-01)

A natural light Sapyga and parasite emergence trap in leafcutting bee management (Megachile rotundata)

Oregon State University. Agricultural Experiment Station; Stephen, W. P. (Corvallis, Or. : Agricultural Experiment Station. Oregon State University., 1979-04)

Nesting media for the propagation of leaf cutter bees

Oregon State University. Extension Service.; Stephen, W. P.; Every, R. W. (Corvallis, Or. : Extension Service, Oregon State University, 1970)

Pear pollination studies in Oregon

Stephen, W. P. (Corvallis : Agricultural Experiment Station, Oregon State College, 1958-11)

Propagation of the leaf-cutter bee for alfalfa seed production

Oregon State University. Agricultural Experiment Station; Stephen, W. P. (Corvallis, Or. : Agricultural Experiment Station. Oregon State University., 1962-09)

The root insect-- black-stain root disease association in Douglas-fir : vector relationships and implications for forest management

Witcosky, Jeffrey John (1985-04-30)

Verticicladiella wageneri Kendrick is a vascular wilt pathogen of conifers, causing a black staining of colonized sapwood of roots and lower stem. In Douglas-fir, V. wageneri is intimately associated with insects. Hy ...

Stone fruit pollination

Oregon State University. Extension Service.; Stephen, W. P.; Burgett, D. Michael; Capizzi, Joseph (Corvallis, Or. : Extension Service, Oregon State University, 1981)

Stone fruit pollination

Oregon State University. Extension Service.; Stephen, W. P.; Capizzi, Joseph (Corvallis, Or. : Extension Service, Oregon State University, 1970-03)

Stone fruit pollination

Oregon State University. Extension Service; Stephen, W. P. (Corvallis, Or. : Extension Service, Oregon State University, 1972-06)

Studies in the alkali bee (Nomia melanderi Ckll.)

Stephen, W. P.; Evans, Daniel D., 1920- (Corvallis : Agricultural Experiment Station, Oregon State College, 1960-08)

Browsing by Author "Stephen, W. P."

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