In the heat of summer in the Rogue Valley, yellow starthistle (Centaurea solstitialis) raises heads of brilliant yellow flowers rigidly defended by sharp spines. Although bees reap double benefits of nectar and pollen during a season when most native plants no longer are flowering, this nonnative weed is a threat...
Certain insect baculoviruses are occluded in a proteinaceous,
crystalline structure which serves to protect the virus outside its
insect host. Two groups of occluded viruses have been defined: the
nuclear polyhedrosis viruses (NPVs) (Baculovirus Subgroup A), having
many virions occluded per crystal, and the granulosis viruses (GVs)
(Baculovirus Subgroup B),...
Published February 1958. 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 Department of Oceanography at Oregon State College
initiated an oceanographic survey of the Oregon coast on July 1,
1958. The purpose of this report is to present salinity,
temperature, and oxygen data collected for the interval from
July 1958 to July 1959, and to present a preliminary interpretation
Several agricultural and related industry groups in the Pacific
Coast states have expressed concern about the competitive position
of these states in the production of feed grains and livestock products.
This study was directed toward the investigation of these
In order to permit the real world situation, with its...
The effects of selection on genome variation were investigated and visualized in tomato using a high-density single nucleotide polymorphism (SNP) array. 7,720 SNPs were genotyped on a collection of 426 tomato accessions (410 inbreds and 16 hybrids) and over 97% of the markers were polymorphic in the entire collection. Principal...
The purpose of this study was to investigate the impact of youth
gang awareness training on school personnel. Middle and high school level
teachers, counselors, and school administrators in a rural Oregon school
district were the focus of this study.
Six specially designed modules were created by the researcher and...