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Filtering by: Subject Berries -- Diseases and pests -- Northwest, Pacific Degree Field Botany and Plant Pathology

Examinations of Fusarium sambucinum on Humulus lupulus and co-infection with hop stunt viroid in commercial hop fields

Creator:

Cerruti, Natasha R.

Abstract:

After an unusually high incidence of Fusarium canker was observed in commercial hop fields of the Pacific Northwest, field surveys were conducted and revealed that canker incidence ranged from 20 to 60% of bines sampled in six commercial fields, as well as wide-spread Hop stunt viroid infection in these six...

Resource Type:

Masters Thesis

Full Text:

commercial hop fields of the Pacific Northwest, field surveys were conducted and revealed that canker
Distribution of Phytophthora rubi and Pratylenchus penetrans in Pacific Northwest Red Raspberry (Rubus idaeus) Fields

Creator:

Kroese, Duncan R.

Abstract:

The Pacific Northwest produces over 95% of the nation’s processed red raspberries, valued at over $65 million. Two of the major soilborne pathogens effecting the production of raspberry in this region are the oomycete Phytophthora rubi, which causes root rot in red raspberry plants, and the plant-parasitic nematode Pratylenchus penetrans,...

Resource Type:

Masters Thesis

Full Text:

and distance from a disease epicenter, and field elevation in four Pacific Northwest raspberry (Rubus