Published April 2008. Reviewed October 2013. 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
Several species of flea beetles are commonly found in organic potato fields in North America. Adults of many of these species feed on the leaves of potatoes
and other plants in the family Solanaceae, but tuber flea beetle larvae are the most common cause of flea beetle damage to potato...
The cards in this guide are designed to help
you quickly learn the main groups of natural
enemies of crop and garden pests, their
predacious activity, and tips for observing them.
Photographs are of the most common species in
the Pacific Northwest.
Paterson’s curse is a member of the borage family (Boraginaceae). It is native to Mediterranean Europe and North Africa but has spread to southern Africa, South and North America, Australia, and New Zealand. Outside of its native habitat, it is an aggressive, drought-tolerant plant that adapts to many soil moisture...
Reprinted September 2007. 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
Discusses three systems for classifying areas as rural or urban: the traditional Census Bureau block group system, a county-based system, and the newer Rural-Urban Commuting Area system. Examines the differences between systems and how the choice of classification system affects conclusions about rural-urban demographics.