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The physiology of seasonal growth in tall fescue varieties (Festuca arundinacea Schreb.)

Creator:: Blacklow, Warren Marcus
Abstract:: The winter and summer growth of varieties of tall fescue (Festuca arundinacea Schreb.) that had originated from the Mediterranean region (Oregon 1000 and Tunisia) and northern Europe (Alta) were studied outdoors in the Mediterranean climate of western Oregon, and in greenhouses and controlled environment chambers. Treatments of temperature, photoperiod and...
Resource Type:: Dissertation
Full Text:: The physiology of seasonal growth in tall fescue varieties

A comparison of plant characteristics of annual ryegrass (Oregon), Lolium multiflorum Lam., and Linn perennial ryegrass, Lolium perenne L.

Creator:: Rosell, C. H.
Abstract:: Studies were conducted to establish some characters which could be used, either in the field or in the laboratory, to differentiate between annual ryegrass (Oregon), Lolium multiflorum Lam. , and Linn perennial ryegrass, Lolium perenne L. Vernation, percentage of glumes covering the spikelets, and height of seedlings seem to be...
Resource Type:: Masters Thesis
Full Text:: A Comparison of Plant Characteristics of Annual Ryegrass

Mechanisms of uptake and some factors influencing the toxicity of 2-chloro-2', 6'-diethyl-N-(methoxymethyl) acetanilide (alachlor) for selected plant species

Creator:: Groenwold, Bareld Egge, 1939-
Abstract:: A number of studies with ¹⁴C-labeled 2-chloro-2', 6'-diethyl- N-(methoxymethyl) acetanilide (alachlor) were conducted to obtain information about the mechanisms of uptake of this herbicide. In other studies, technical alachlor as well as the emulsifiable concentrate formulation of the chemical were used to investigate the effect of several factors on the...
Resource Type:: Dissertation
Full Text:: toxicity of 2-chloro-2', 6'-diethyl-N-(methoxymethyl) acetanilide (alachlor) for selected plant species

Stimulation of plant growth by sub-lethal concentrations of herbicides

Creator:: Wiedman, Steven John
Abstract:: Studies were conducted to determine the extent and nature of sub-lethal effects of herbicides on plant growth. At least one herbicide from each major chemical class of herbicides was evaluated under greenhouse conditions. Oat plants were grown in sand culture to eliminate soil interferences. Herbicides were applied pre-emergence in nutrient...
Resource Type:: Dissertation
Full Text:: Stimulation of plant growth by sub-lethal concentrations

Effects of various soaking and freezing treatments as factors in determining winter hardiness of selected wheat varieties

Creator:: Patterson, Lloyd Leonard
Resource Type:: Masters Thesis
Full Text:: discarded, when the plant breeder dewends upon field conditions for testing . Considerable research had

The effects of CIPC, monuron and 2,4-D herbicides on yield, crude protein and nitrate nitrogen content of four forage-crop species

Creator:: Furtick, William Ralph, 1927-
Resource Type:: Dissertation
Full Text:: plant nutrients Is an indication by Renney (38, p. 14) that tho nitrogen content of cereals Is

Competition among three pasture species under different levels of soil nitrogen and light intensity

Creator:: Wilson, Donald Benjamin
Resource Type:: Dissertation
Full Text:: the rest of plant (lii, p. 67). This certainly could be true of very young leeves, for

Influence of population density on light interception and grain yield involving wheat hybrids

Creator:: Ganapathy, Mapangada Chengappa
Abstract:: Six wheat hybrids from two sets of parents and their respective parents were grown at Hyslop Agronomy Farm near Corvallis, Oregon in the year 1965-66. The object of the experiment was to evaluate the influence of population densities and different planting patterns on grain yield and factors which determine grain...
Resource Type:: Dissertation
Full Text:: included the leaf area index, percent light interception, plant height, and the components of grain yield

Comparison of rooting media and methods in assessing survival of propagules of tall fescue (Festuca arundinacea, Schreb.)

Creator:: Miltimore, James Earl
Resource Type:: Masters Thesis
Full Text:: FESCUE (FESTUCA ARUN1DINACA, SCEREB.) INTR DDUCT ION The plant brder often req'itr large qiantitio of

Some factors affecting the establishment and growth of improved forage species on Laughlin-like soils in western Oregon

Creator:: Valassis, Vlassios Thomas
Resource Type:: Dissertation
Full Text:: atmosphere pressure, wilting point, and available water for plant growth of Laughlin-like soil series . e s

ScholarsArchive@OSU

The physiology of seasonal growth in tall fescue varieties (Festuca arundinacea Schreb.)

A comparison of plant characteristics of annual ryegrass (Oregon), Lolium multiflorum Lam., and Linn perennial ryegrass, Lolium perenne L.

Mechanisms of uptake and some factors influencing the toxicity of 2-chloro-2', 6'-diethyl-N-(methoxymethyl) acetanilide (alachlor) for selected plant species

Stimulation of plant growth by sub-lethal concentrations of herbicides

Effects of various soaking and freezing treatments as factors in determining winter hardiness of selected wheat varieties

The effects of CIPC, monuron and 2,4-D herbicides on yield, crude protein and nitrate nitrogen content of four forage-crop species

Competition among three pasture species under different levels of soil nitrogen and light intensity

Influence of population density on light interception and grain yield involving wheat hybrids

Comparison of rooting media and methods in assessing survival of propagules of tall fescue (Festuca arundinacea, Schreb.)

Some factors affecting the establishment and growth of improved forage species on Laughlin-like soils in western Oregon

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