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Filtering by: Subject Sweet corn -- Diseases and pests -- Oregon -- Willamette River Valley

Sweet corn decline syndrome in Oregon's Willamette Valley

Creator:

Hoinacki, Elisabeth V.

Abstract:

For the past several years vegetable growers in Oregon's Willamette Valley have experienced reduced yields in their sweet corn plantings. We conducted studies to 1) describe the symptomology and etiology of the disease, 2) test a root rot rating system we developed to evaluate factors in the disease syndrome, and...

Resource Type:

Dissertation
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