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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:: Welton, R. E. (Richard Elroy)
Abstract:: The effects of soil moisture, mineral nutrition and temperature on the susceptibility of peas to inoculation with bean yellow mosaic virus (BYMV) by the green peach aphid, Myzus persicae (Sulz.) were investigated along with three vector-virus relationships. In addition, a comparative study was made of two methods of evaluating susceptibility...
Resource Type:: Dissertation
Full Text:: . K. G. Swenson, Professor of Entomology, Oregon State University, for his direction, advice and

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:: PREVENT SPREAD OF STYLET -BORNE VIRUSES BY APHIDS Abstract approved: Dr. K. G. Swenson The use of

Creator:: Smith, Gordon Kent
Resource Type:: Masters Thesis
Full Text:: Dr. K. G. Swenson and found to transrnit this virus. Phytopathogenic viruses rnay be divided into

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

Creator:: Sethi, Satnam Lal
Abstract:: A method of culturing Eriosoma pyricola on detached root pieces was developed to ensure a regular supply of aphids for experimental work. Another method was designed for studying the alate sexuparae formation in woolly pear aphid, whereby growing plants were infested so that the aphids or their progeny could be...
Resource Type:: Dissertation
Full Text:: ERIOSOMA PYRICOLA BAKER AND DAVIDSON Abstract approved: K. G. Swenson A method of culturing Eriosoma

Creator:: McNicholas, Frank Joseph
Resource Type:: Masters Thesis
Full Text:: ,pp€srs aE f ol I ows t (1) K. G. Swenson, Profeseor of Entomology, Oregon State Coll€S€r Corvalltr

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