Index Catalog // ScholarsArchive@OSU

Creator:: Smith, Gordon Kent
Resource Type:: Masters Thesis
Full Text:: . Swenson, Professor of Entornology, oregon state university, for his he1p, guidance, and encouragernent

Creator:: Adlerz, W. C. (Warren Clifford)
Resource Type:: Dissertation
Full Text:: for the help and uidance of Dr. K .G. Swenson, Associate Professor in the Agricultural Experiment

Creator:: Carpenter, Gene Paul
Resource Type:: Masters Thesis
Full Text:: is due. First among these is Dr. K. G. Swenson to whom I am grateful for the help and patient

Creator:: Ascerno, Mark E.
Abstract:: The use of petroleum oil prevented, to varying degrees: the transmission of three stylet-borne viruses in three different crops. The use of oils resulted in a marked improvement in the number of lily bulbs harvested from treated plots as compared to the number of lily bulbs harvested from untreated plots....
Resource Type:: Masters Thesis
Full Text:: viruses by aphids AN ABSTRACT OF THE THESIS OF MARK EDWARD ASCERNO, JR. for the MASTER OF SCIENCE

Creator:: Sohi, Sardara Singh
Abstract:: The effects of the inherent transmissibility of the virus and of the inherent transmitting ability of aphids on the transmission of bean yellow mosaic virus (BYMV) were studied along with four virus-vector relationships of BYMV and the green peach aphid, Myzus persicae (Sulz.). In addition, investigations were made on the...
Resource Type:: Dissertation
Full Text:: appreciation to Dr. K. G. Swenson, Professor of Entornology, for his constant encouragement, guidance and

Creator:: Vargas, Timothy Carl
Abstract:: The influence of oil sprays on the field spread of the aphid-borne bean yellow mosaic virus (BYMV) in bean was studied in 1972 and 1973. Oil sprays failed to significantly reduce virus spread in the 1972 BYMV experiment. However, the data did suggest that the efficiency of the oil sprays...
Resource Type:: Masters Thesis
Full Text:: Privacy Dr. K. G. Swenson The influence of oil sprays on the field spread of the aphid- borne bean

Creator:: Marsh, Terrence George
Abstract:: Experiments conducted in the greenhouse showed that the leafhopper, Colladonus montanus reductus (Van Duzee), is a long-day insect. This conclusion is based on the production of diapausing eggs when the leafhoppers were kept under short days (ten hours) during the nymphal stage and the adult pre-oviposition period. Continuous development of...
Resource Type:: Masters Thesis
Full Text:: Dr. K. G. Swenson, Professor of Entomology, Oregon State University, for his guidance and criticism

Creator:: Carpenter, Gene Paul
Abstract:: Experiments were done to determine the effect of some factors on the level of transmission of bean yellow mosaic virus (BYMV) by aphids. The effect of different source plant treatments, the effect of light on test plant susceptibility, and the effect of a second virus on the transmission of BYMV...
Resource Type:: Dissertation
Full Text:: gratitude to the following: To my major professor, Dr. K. G. Swenson, Professor, Department of

ScholarsArchive@OSU