Two types of smut attack corn in the Pacific Northwest: common smut and head smut. This publication provides descriptions of symptoms and the disease cycle, and management strategies (which differ considerably between the two types). There is also significant new information, particularly related to common smut, regarding losses and control...
Published January 1992. 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
The potato tuberworm, Phthorimaea operculella, is a pest of many solanaceous crops, including potatoes. Commonly found in tropical and subtropical regions throughout the world, potato tuberworm (PTW) is one of the most important constraints to potato production worldwide. Larvae of this species mine leaves, stems, and petioles and excavate tunnels...
Correct identification of pest problems is the beginning of a successful
integrated pest management (IPM) program. Regular scouting can provide early warning of problems, allow the widest range of control options, and bring favorable economic, ecological, and social consequences.