Since its discovery in Oregon in 1946, the pear psylla, Psylla pyricola Forster, has become the most serious insect pest of pear. Damage to pear trees include the transmission of pear decline disease which has caused losses of trees, injection of a phytotoxic toxin resulting in tree shock and injury,...
Field tests for 11 years have indicated damage to apples by Western flower thrips can be reduced as much as 90 percent by a well-timed application of an effective insecticide. Formetanate, (Carzo!) applied at or near full bloom, was the most effective insecticide tested in preventing pansy spotting on Newtown,...
Published May 1980. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published April 1977. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
A final report on activities related to a professional development activity titled, "Professional development in data curation". The Lundeen Award enabled me to attend the ICPSR workshop "Curating and Managing Research Data for Re-Use." The objective was to build professional capacity within OSUL&P that would empower us to achieve our...
Global Positioning System vectors and surface
tilt rates are inverted simultaneously for the rotation of western
Oregon and plate locking on the southern Cascadia subduction
thrust fault. Plate locking appears to be largely
offshore, consistent with earlier studies, and is sufficient to
allow occasional great earthquakes inferred from geology.
Clockwise...