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Creator:: Iskra, Anne E.
Abstract:: A multi-year field study was conducted in Oregon and Washington to evaluate the influence of nitrogen fertilization rate and timing on cone quality, nitrate accumulation in cones, severity of powdery mildew (caused by Podosphaera macularis), arthropod pests, and the stability of conservation biological control of the twospotted spider mite (Tetranychus...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ David H. Gent A multi-year field study was conducted in Oregon and Washington to

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:: : _____________________________________________________________________ David H. Gent Podosphaera macularis, causal agent of hop powdery mildew, is known to

Creator:: Mitchell, Melanie N.
Abstract:: The two most economically important plant pathogens in the Pseudoperonospora (Peronosporaceae) genus are P. cubensis, causal agent of cucurbit downy mildew, and P. humuli, causal agent of hop downy mildew. These organisms have been shown to be very closely related phylogenetically and morphologically. In 2005, researchers in Korea proposed that...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ David. H. Gent Cynthia M. Ocamb The two most economically important plant pathogens in

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