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Creator:: Bienapfl, John C.
Abstract:: A necrosis at the tip of cones was observed on hop (Humulus lupulus), cultivar "Nugget", grown in Oregon in the early 1990's. Fusarium sambucinum and F. avenaceum were recovered from symptomatic cones in 1998 and preliminary inoculation experiments suggested both Fusarium species could cause hop cone necrosis. Studies were carried...
Resource Type:: Masters Thesis
Full Text:: Blight: A New Disease in the Pacific Northwest Abstract approved: Cynthia M. Ocamb A necrosis at the

Creator:: Bomberger, Rachel A.
Abstract:: Commercial radish seed producers in the Willamette Valley of Oregon have observed a late season wilt in their seed fields. Twenty-two fields were surveyed for wilt in the Willamette Valley during June through August 2012 and 2013. Plants exhibiting wilt symptoms were collected from the fields and examined for vascular...
Resource Type:: Masters Thesis
Full Text:: (Raphanus sativus) Seed Production in the Willamette Valley of Oregon. Abstract Approved

Creator:: Claassen, Briana J.
Abstract:: The Pacific Northwest is an internationally important region for the production of Brassica seed and other seed crops including grass seed. Oregon lawmakers mandated research into the co-existence of canola (Brassica napus) with other Brassica production in the Willamette Valley and House Bill 2427 was signed into law in 2013,...
Resource Type:: Masters Thesis
Full Text:: disease throughout Alberta, Canada. Due to the recent outbreak of black leg in Oregon, an administrative

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