Ever wonder what that jelly-like blob on the beach is? Want to know how to identify a bloom of jellyfish? This guide was created to help identify common gelatinous animals encountered at sea or beachcombing. With this guide you can appreciate the diversity of gelatinous animals on the Oregon coast...
Non-starter lactic acid bacteria (NSLAB) are found at low levels in fresh raw milk and are important to the dairy industry because of their potential impact on the flavor and texture of yogurt, sour cream, and cheese. The purpose of this study was to evaluate three methods for the identification...
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...
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...
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...
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.
Standard methods of measuring fecal pollution in water do not distinguish between human and non-human sources. Molecular technology enabled the development of host-specific markers that distinguish fecal sources. Human specific PCR primers, HF183F and HF134F, were designed based on phylogenetic analyses of partial 16S rRNA gene sequences from the Bacteroidales...
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.