The root-lesion nematode, Pratylenchus penetrans (Cobb 1917).
Filipjev and Shuurmans Stekhoven, 1941, is widely distributed throughout
Oregon and other temperate zones of the world. Economically
it is probably the most important plant parasitic nematode in Oregon
because of its abundance, wide host range of economic plants and
interactions with other...
To learn more about the role β-galactosidase plays in rate of
acid production in milk by lactic acid bacteria, several lactobacilli
were examined for this enzyme. Cells from different species were
grown in lactose broth to induce β-galactosidase activity. The specific
activities of whole, solvent treated cells, and of cell-free...
A segment of the Crooked River, Crook County, Oregon, was chemically treated along with sections of Ochoco Creek, McKay Creek, and Dry River from August 13 to November 5, 1963.' A total of 860 gallons of liquid synergized rotenone (Pro-Noxfish) was used to obtain toxicities up to 2.0 ppm in...
The purpose of this study was to assess changes in attitudes
toward behavioral understanding, marital role expectations, and self
concept in a selected group of high school girls. These subjects
were enrolled in a one semester child development course which
included observation and participation experiences with young children.
The subjects...
The purpose of this study was to determine the possible problem areas in families with a diet-treated phenylketonuric child. Phenylketonuria is an inborn error of metabolism, which in the past caused mental retardation as well as behavioral disturbances. Initially the discovery of diet therapy eliminated the behavioral disturbances, but not...
It is no longer possible in any area of the United States to formulate
water resources plans for single purpose projects as has been
done in past years. No longer can one of our greatest natural resources,
water, be used solely for navigation, power generation,
irrigation, or controlled for reducing...
This analysis concerns the life and scientific work of Henry
Augustus Rowland (1848-1901), organizer and the first chairman of
the physics department at The Johns Hopkins University in 1876.
Special materials used in this research included three pieces of
Rowland's experimental apparatus which are extant in the Smithsonian
Institution Division...
This analysis is the study of Oregon's wildlife resources from
the period prior to white settlement up to the present time, including
critical projections, based on present trends and expected conditions
for both human and wildlife populations in the state up to the year 2010.
Prior to white settlement Oregon...
The purpose of this study was to investigate the differences
between middle- and lower-class adolescents and the extent of their
self-disclosure to their mothers and their fathers; and their feelings
both positive and negative toward their parents and themselves.
The subjects consisted of 50 middle-class and 50 lower-class
adolescents who...