Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Subject Fusarium oxysporum -- Oregon -- Willamette River Valley

Presence and pathogenicity of Fusarium and Verticillium species in commercial red radish (Raphanus sativus) seed production in the Willamette Valley of Oregon

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
Responses and relationships among Fusarium species, sweet corn, and western spotted cucumber beetles

Creator:

Miller, Nathan L. (Nathan Louis)

Abstract:

Sweet corn (Zea mays L.) yields in the Willamette Valley of Oregon have been declining since the early 1990’s. Studies were done to determine if there is a relationship between ear weight and several disease parameters including necrotic crowns or stalk nodes, nodal root rot, radicle root rot, and sub-crown...

Resource Type:

Dissertation