The single-cross and most F₂ progenies of 19 genotypes of
tall fescue (Festuca arundinacea, Schreb. ) were used to study the
breeding behavior of forage yield. Parental genotypes were selected
for high self-sterility, high chromogen and high crude protein. These
were studied in two groups of nine intermediate and ten...
A liquid sulfur dioxide battery, such as K/KCl SbCl₅ (0.25
molar) + IBr₃ (15 %wt) + SO₂ (1)/carbon matrix is shown to have an
open circuit voltage greater than 3.70 volts and an initial voltage of
3.15 volts, decreasing to 2.40 volts in 10 minutes at a current density
of...
Some forms of bacterial respiration do not involve molecular
oxygen but instead utilize other hydrogen acceptors for oxidation
of the substrate. Various organic and inorganic acceptors may be
used. In the present study, the inorganic radicals, nitrate and
nitrite, were investigated. Preliminary evidence indicated that
nitrate and oxygen are able...
Because the life processes of the plant are related in a complex
way to the balance between the water demand of the atmosphere and
the water availability to the plant root, an exploration of the dynamic
status of water in the plant is very important. The stomata constitute
the main...
Cardicola alseae is a blood dwelling trematode found in the
fishes Salmo clarki henshawi and Salmo gairdneri gairdneri. Eggs
which were ovoid in shape and non-operculate left the adult and passed
to the gill capillaries of the secondary lamellae. The miracidium was
ovoid, 0.070 mm. long by 0.052 mm. wide,...
A method of calculating the normal vibrations of polymer molecules
is presented in detail. The method is based on that used by
Schachtschneider and Snyder in their analysis of polypropylene but
has not heretofore been published. The factoring of the infinite matrix
and reduction to the coordinates of the unit...
A biochemical study of aging was conducted on mitochondria
from the embryo axes of germinating new and old soybean seeds.
Differential phosphorylative efficiency, an average P/O ratio of 3.03
of the new material compared to 1.44 of the old, was obtained when
all the co-factors and substrate were provided. No...
Prevailing concepts relating to the non-enzymatic gaseous
loss of nitrite from soil are thought to be inadequate as regards
to the mechanisms involved. The conventional explanation for
nitric oxide formation i.e., the acid decomposition of nitrite,
is held to be insufficient in substrates of only mild or slight
acidity. A...
The incitant of Verticillium wilt of peppermint (Verticillium
dahliae Kleb.) causes disease symptoms only in the genera Mentha
(the mints) and Monarda. This fungus is unable to grow saprophytically
through natural soil. V. dahliae survives in soil by colonizing
and forming microsclerotia in susceptible plants, living root tissue
of many...
This investigation was undertaken to characterize and evaluate
the forage production and utilization of the successional vegetation
of the mixed conifer forest.
Field studies were carried out during the summers of 1962
through 1964 at the Eastern Oregon Experiment Station Hall Ranch
which is located 12 miles southeast of Union,...
The effect of a pulse produced by an acoustic or electromagnetic
line source oriented parallel to the edge of a perfectly conducting
half plane is considered. The Green's functions for the modified
Helmholtz equation are found by solving for the Green's functions
for a cylinder of sectorial cross-section, then allowing...
Purpose of the Study:
The purpose of this research was to study the school districts
in Umatilla County as they existed in 1962-3 and to formulate a
guide for reorganization of these districts into sound efficient units.
The following sub-factors were considered essential to this research,
and were dealt with...
Preparation of a cytochrome c-cytochrome oxidase complex
was achieved, using crystalline beef cytochrome c and purified
cytochrome oxidase from beef heart muscle, or from the
Keilin-Hartree preparation. Succinate oxidase was reconstituted
with the complex.
A mixture of cytochrome oxidase, solubilized with nonionic
detergent, and excess cytochrome c was exposed to...
Although much information is available on lipids in serum and
red cells, only limited data have been reported for white cells and
platelets. In a recent investigation in this laboratory, the concentrations
of cholesterol in the several blood fractions were compared.
The high amounts of cholesterol found in white cell-platelet...
Three realms of deposition, Marine, Fluviatile, and Marine-
Fluviatile, are recognized in Yaquina Bay, Oregon, on the basis of
sediment texture and mineralogy. The Marine Realm extends 1.5
miles into the entrance of the estuary and is typified by normal
marine salinity and vigorous tidal action. Sediments of this realm...
A series of four animal experiments utilizing 129 pigs
and associated laboratory studies was conducted to study the causes
of the lowered performance on high barley rations fed to swine. Previous
work at this Station has shown barley to have a value of 80-85
percent of corn for swine, and...
The purpose of this study was to study in some detail
host factors which influence the population dynamics of
bark beetle. The dissertation objectives were to ascertain
the applicability of utilizing osmotic pressure
values and relative turgidity values of phloem tissue as
indicators which reflect upon the physiological profile
of...
A large-scale preparative method for potassium di-n-butylborate
in triethylamine solvent has been developed. The reaction of
potassium di-n-butylborate I with trifluoromethyl iodide has been
shown to yield trifluoromethyl di-n-butylborane and other products.
Reaction of this substance with boron trifluoride gave trifluoromethyl
boron difluoride. Reactions of diboron tetrafluoride, boron tribromide,
and...
Quercetin (3, 3', 4', 5, 7-pentahydroxyflavone) reacts with hexavalent
molybdenum, tungsten and chromium to form chelates soluble
in an ethanol-water medium. This color reaction has been investigated
with a view to its possible application in the spectrophotometric
determination of trace amounts of these metals.
In the development of the method,...
The
performance
of
solid
metallic
anodes
on
a
solid
electrolyte
was
determined
experimentally
and
data
on
cell
current,
cell
voltage,
open-circuit
cell
potential,
and
cell
energy
are
presented.
Fifteen-mole
percent
calcia-stabilized
zirconia
was used
as
the
electrolyte,
a
platinum-oxygen
electrode
was used
as
the cathode,
and 1000° C
was
the...
The radiorespirometric method was used to study the catabolism
of glucose in intermolt crayfish. Rapid and extensive conversion
of C-3(4) of glucose to C¹⁴O₂ indicated that a significant
portion of the administered glucose was routed into the glycolysis-
Krebs cycle sequence. High yields of C-6 of glucose in the respiratory...
The primary purpose of this study was to determine whether
there were significant differences between Oregon community
college collegiate freshmen and Oregon State University freshmen in
terms of interest, values, and manifest needs.
The study was limited to a representative sample of the freshman
population in the lower-division collegiate program...
General techniques for constructing Scheduling Algorithms
are described as well as their applications to two diverse problems,
namely the scheduling at a university and the imitation of the activity
of a taxonomist in microbiology.
An
investigation was
made
into certain
aspects
of
protein
synthesis
at
different
developmental stages
of the
flesh fly
Sarcophaga
bullata.
This
included
measurements
of the
incorporation of
labeled
amino
acids into
protein
by intact cells
from
a
single
organ, the
larval
fat
body,
and
a
study
of
amino
acid
activating...
The primary purpose of this study was to investigate the formal
preparation currently required and desired for teachers of lower-division collegiate courses in public community colleges in the western
United States and to make recommendations for the preparation of
such teachers in Oregon. The identification of the functions of institutions...
Purpose of the Study:
The purpose of this study was to evaluate the Oregon State University undergraduate elementary education program. More specifically, the investigation sought answers to the following questions:
1. What are the graduates' judgments of pertinent areas of the
elementary teacher education program?
2. To what extent does...
Isocitrate-NADP oxidoreductase activity in mitochondrial and
soluble fractions was determined for hearts, livers and brains of
chick embryos at various stages of development. One-half to two-thirds
of the activity in brain and liver homogenates is located in the
soluble fraction. Supernatant activity increases in these organs to a
maximum during...
The effect of a static quadrupole interaction on the 133-482 Kev
gamma-gamma angular correlation in Ta-181 has been studied by the
delayed coincidence method. Using a source of Hf-181 in polycrystalline
hafnium metal, the anisotropy was measured as a function of
time between the formation and decay of the 482...
The flight behavior of Ips confusus (Lec.) was primarily
studied under field conditions, but augmented with
complementary laboratory studies whenever feasible. The
experiments were mostly conducted in areas of endemic population
levels, but also under epidemic and prairie conditions.
The techniques and devices used in marking, releasing,
attracting, and trapping...
The investigations reported are based on two studies; the first
is concerned with the selection practiced for performance in one inbred
Angus and three inbred Hereford lines of cattle, the realized
responses, levels of inbreeding and associated performance, and
heritabilities of the performance traits.
Selection differentials for all performance traits...
This study compared two self-instructional methods for
improving spelling in high school and college: a traditional-deductive presentation of spelling rules and lists of words to exemplify
each rule versus a programed-inductive presentation leading
the learner to observe the spelling behavior of words and to make
generalizations.
Both the traditional-deductive and...
The infectivity of plant viruses was suppressed by
inhibitory substances (IS) in the sap of Chenopodium. Various
methods were attempted to find an efficient method which would allow direct transmission of viruses from Chenopodium to other plants. Viruses used in these experiments were alfalfa mosaic
virus (AMV), tobacco mosaic virus...
Three growth forms of the genus Microseris, of the tribe
Cichorieae, family Compositae, were compared with respect to their
anatomical structure. The purpose of this study was to clarify lines
of evolutionary specialization in the genus. Two of the three species
studied, M. laciniata and M. borealis, are perennials, while...
The chemically similar elements hafnium and zirconium occur
together in nature. Because of their very dissimilar nuclear
properties it is of commercial importance to separate them for use
in the atomic energy field. One or more of the steps in the separation
and purification processes presently used involve the volatile...
The study of nonlinear vibrations of systems having two
degrees of freedom has met considerable attention during the past
few years. Nonlinear symmetrical systems have received most of it.
Normal mode motion of a system is defined as a periodic motion
such that the masses of the system assume repeated...
The effect of 2-aminoethyl-2-thiopseudourea[superscript .]Br[superscript .]HBr (AET),
2-mercaptoethylamine[superscript .]HC1 (MEA) and trisodium calcium chelate of
diethylenetriaminepentaacetic acid (CaNa₃DTPA) on the radiosensitivity
of rat fetus was investigated. A total of 1256 fetuses were
critically examined.
Exposure of rats to 200 r whole-body X-irradiation at 9.5 days
of gestation resulted in a...
Montane forest vegetation as it occurs on the east flank of the
central Oregon Cascades has provided excellent conditions for a
"natural experiment" in the use of various methodologies in studying
vegetational distribution. This "experiment" has reflected on some
theory and practice for the discipline of plant synecology. Detailed
descriptions,...