Date of release: January 22, 2002
Shawn Mehlenbacher, Professor
Horticulture
Oregon State University
“The Oregon Agricultural Experiment Station announces the release of four new hazelnut (Corylus avellana L.) pollenizers, 'Gamma', 'Delta', 'Epsilon' and 'Zeta'. They release pollen at different times during the flowering season. They have complete resistance to eastern filbert blight caused by Anisogramma anomala (Peck) E. Müller. 'Gamma' and 'Delta' carry resistance from 'Gasaway', while 'Epsilon' and 'Zeta' carry resistance from 'Zimmerman'.”
Release document 
Dr. Shawn Mehlenbacher 4145 Agricultural Life Science Building Oregon State University Corvallis, OR 97331 Phone - 541-737-5467 Fax - 541-737-3479 mehlenbs@bcc.orst.edu
