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Creator:: Hollis, Brad C., Rondon, Silvia I., Young, James Daniel, 1980-, and Oregon State University. Extension Service
Abstract:: Published June 2009. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Other
Full Text:: . Identification Services in Oregon The Oregon State University Extension Service provides identification services

Creator:: Ross, Charles R. (Charles Robert), 1908- and Oregon State University. Extension Service
Abstract:: Blank quiz sheets published as EC 566.
Resource Type:: Learning Object
Full Text:: Oregon Tree Quiz—Key (Blank quiz sheets published as EC 566) Identify the drawings for the trees

Creator:: Ross, Charles R. (Charles Robert), 1908- and Oregon State University. Extension Service
Abstract:: Answers published separately as EC 567.
Resource Type:: Learning Object
Full Text:: \} Oregon Tree Quiz (Answers published separately as EC 567) Identify the drawings for the trees below

Creator:: Hedstrom, Chris, Wiman, Nik G., Walton, Vaughn M., Shearer, Peter W., Rondon, Silvia I., Lee, Jana, and Oregon State University. Extension Service
Abstract:: El chinche apestoso marrón marmolado (Halyomorpha halys) es un insecto invasor y una amenaza muy grave para la agricultura de Oregon. Se alimenta de más de 100 plantas incluyendo plantas agrícolas y ornamentales de importancia económica. Esta tarjeta presenta con fotos y descripciones para ayudar a identificar el chinche apestoso...
Resource Type:: Technical Report
Full Text:: Hedstrom, Nik Wiman, Vaughn Walton, Peter Shearer, Silvia Rondon, Jana Lee; todos de Oregon State

Creator:: Hedstrom, Chris, Wiman, Nik G., Walton, Vaughn M., Shearer, Peter W., Rondon, Silvia I., Lee, Jana, and Oregon State University. Extension Service
Abstract:: The brown marmorated stink bug (Halyomorpha halys) is an invasive insect and a very serious threat to Oregon agriculture. It feeds on more than 100 plants, including economically important crops and ornamentals. This card has photos and descriptions to help identify brown marmorated stink bugs and distinguish them from other...
Resource Type:: Technical Report
Full Text:: Rondon, Jana Lee; all of Oregon State University. Archival copy. For current information, see the OSU

Creator:: Detweiler, Amy Jo and Oregon State University. Extension Service
Abstract:: Four species of Centaurea are commonly found in central and eastern Oregon, including spotted knapweed (Centaurea maculosa), diffuse knapweed (Centaurea diffusa), Russian knapweed (Centaurea repens), and yellow starthistle (Centaurea solstitialis). These four species are a serious problem throughout Oregon and the Pacific Northwest. Stands of knapweed can choke out natural...
Resource Type:: Technical Report
Full Text:: Eastern Oregon, EC 1559 (Oregon State University) EC 1559 • February 2003 $2.00 Identification and

Creator:: Williams, Josh E., Giannico, Guillermo R., Withrow-Robinson, Brad, and Oregon State University. Extension Service
Abstract:: This book contains descriptions of 15 native and 16 nonnative fish (including origin, distribution, key characteristics, size, distinguishing features, color, diet, and other remarks) found in the Willamette River Basin's seasonal watercourses, with over a hundred photos to aid in identification. It also offers a succinct explanation of the Willamette...
Resource Type:: Technical Report
Full Text:: * . . . . . . . . . . . . . . . . . . . . . . . 17 Prickly sculpin* . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Oregon chub

Creator:: Peachey, Ronald Edward and Oregon State University. Extension Service
Abstract:: Puncturevine is on the loose in western Oregon. Puncturevine is an annual in our climate, and it produces seeds that can contaminate snap beans headed to the cannery. Puncturevine also has very persistent seed with erratic emergence over several seasons. When spotted, puncturevine should be eradicated.
Resource Type:: Technical Report
Full Text:: Puncturevine Patrol, EM 8909 (Oregon State University Extension

Creator:: Dreves, Amy J., Walton, Vaughn M., and Oregon State University. Extension Service
Abstract:: Mealybugs, a family of soft, oval-bodied pests (Homoptera: Pseudococcidae), are known vectors (carriers) of the grapevine leafroll associated viruses (GLRaVs) of grape. This document gives details on how pheromone traps should be used to ensure optimal catches and early detection.
Resource Type:: Technical Report
Full Text:: and Identifying Mealybugs in Oregon Vineyards 1 Trapping and Identifying Mealybugs in Oregon

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