Browsing Extension Service -- Circulars / Extension Circulars by Subject "Hazelnuts -- Diseases and pests -- Oregon"

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1981 spray guide for filberts and walnuts in Oregon

Oregon State University. Extension Service; Fisher, Glenn C.; MacSwan, Iain C. (Corvallis, Or. : Extension Service, Oregon State University, 1981-01)
1982 spray guide for filberts and walnuts in Oregon

Oregon State University. Extension Service; Fisher, Glenn C.; MacSwan, Iain C. (Corvallis, Or. : Extension Service, Oregon State University, 1982-01)
1983 pest management guide for filberts and walnuts in Oregon

Oregon State University. Extension Service; Fisher, Glenn C.; MacSwan, Iain C. (Corvallis, Or. : Extension Service, Oregon State University, 1983-03)
Detecting and controlling eastern filbert blight, Anisogramma anomala

Oregon State University. Extension Service; Pscheidt, Jay William (Corvallis, Or. : Extension Service, Oregon State University, 1989-05)
Detecting and controlling eastern filbert blight, Anisogramma anomala

Oregon State University. Extension Service; Pscheidt, Jay William ([Corvallis, Or.] : Oregon State University, Extension Service, 1999-05)

The disease cycle for eastern filbert blight requires 2 or more years, including a 12- to 15-month latent period when no visible symptoms can be detected. In the spring, spores are ejected forcibly (squirted) into the w ...