Index Catalog // ScholarsArchive@OSU

Factors affecting selective control of wild oat and downy brome in wheat by trifluralin

Creator:: Aldridge, Jack Clifton
Abstract:: Trifluralin (a, a, a - trifluoro -2, 6 -dinitro-N, N-dipropyl-ptoluidine) is effective in controlling downy brome (Bromus tectorum L.) and wild oat (Avena fatua L.) but does not severely affect the growth of wheat (Triticum aestivum L.). Studies were conducted using germination chamber and greenhouse facilities to investigate possible factors...
Resource Type:: Masters Thesis
Full Text:: in preparation of this manuscript. To Drs. W. Orvid Lee and K. G. Swenson for their review of this

Effect of two methylcarbamates on the toxiciity of isopropyl m-chlorocarbanilate (chlorpropham) to safflower (Carthamus tinctorius L.) and common buckwheat (Fagopyrum esculentum Moench.)

Creator:: Kirkland, Kenneth
Abstract:: Addition of the methylcarbamate compounds p-chlorophenyl N-methylcarbamate (PPG-124) and 1-naphthyl N-methylcarbamate (carbaryl) to various herbicides has resulted in reduced rates of degradation. Carbaryl affects the degradation of certain herbicides in both plants and soils while PPG-124 has only been demonstrated to affect degradation in soils. Both these materials are effective...
Resource Type:: Masters Thesis
Full Text:: graduate program and has made many helpful suggestions in the preparation of this manuscript. To Dr. W

Interaction of cycloate with postemergence herbicides on sugarbeets and weeds

Creator:: Olson, Phillip David Leroy
Resource Type:: Masters Thesis
Full Text:: manuscript and for serving on my graduate committee. To Dr. William W. Chilcote for serving on my graduate

The control of colonial bentgrass (Agrostis tenuis Sibth.) with N-(phosphonomethyl) glycine

Creator:: Brewster, Bill D.
Resource Type:: Masters Thesis
Full Text:: . William W. Chilcote for serving on the examining committee. To Mr. Harold L. Schudel for providing the

Control of purple nutsedge (Cyperus rotundus L.) with glyphosate

Creator:: Chase, Richard Lyle
Resource Type:: Dissertation
Full Text:: throughout my doctoral program. Thanks are also extended to S. C. Fang, R. L. Stebbins, W. W. Chilcote, and

Asulam for tansy ragwort control in alfalfa : field efficacy and selectivity factors

Creator:: Harper, Delbert Ray
Abstract:: Tansy ragwort (Senecio jacobaea L. ) is a poisonous weed which infests alfalfa fields in western Oregon. Studies were conducted to evaluate the effectiveness of asulam (methyl sulfanilylcarbamate)for control of tansy ragwort in alfalfa and to elucidate factors responsible for its selectivity. In seven replicated field trials in 1973 and...
Resource Type:: Dissertation
Full Text:: extended to Dr. Thomas C. Moore, Dr. W. W. Chilcote and Dr. Michael C. Mix for serving on my committee

Control of volunteer legumes during establishment of legume seed crops with activated carbon bands and non-selective herbicides

Creator:: Rolston, M. Philip
Resource Type:: Dissertation
Full Text:: for privacy W. Orvid Lee In legume seed production, volunteer legumes arising from seed in the soil

A proposed mechanism for diuron-induced phytotoxicity

Creator:: Stanger, Charles Earl, 1929-
Abstract:: Previous research has shown that specific carotenoid pigments function through oxidation-reduction reactions to protect chlorophyll from photooxidation in the presence of reduced nicotinamide adenine dinucleotide phosphate (NADP). The hypothesis that diuron (3-(3, 4- d chloropheny1)-1, 1-dimethylurea) initiates phytotoxicity by inhibition of NADPH synthesis was examined. All experiments were conducted in...
Resource Type:: Dissertation
Full Text:: , enthusiasm, and support he gave this research study. To Dr. Orvid W. Lee, Dr. T. L. Jackson and Mrs. LaRea

Influence of weed density on efficacy of two soil-applied herbicides

Creator:: Burrill, L. C.
Abstract:: Several studies were conducted to determine the effect of weed density on herbicide efficacy. Diuron [3-(3, 4- dichlorophenyl) -1, 1- dimethylurea] was tested on various densities of Italian ryegrass (Lolium multiflorum Lam. ) under greenhouse and field conditions. Cycloate (S-ethyl N-ethylthiocyclohexanecarbamate) was tested on green foxtail (Setaria viridis (L. )...
Resource Type:: Masters Thesis
Full Text:: preparation of the manuscript. I am grateful to Dr. Ronald J. Burr, Dr. William W. Chilcote and Dr. Lyall

The effects of N-1-Naphthylphthalamic acid on growth of yellow nutsedge and its control with N-Phosphonomethyl glycine

Creator:: Paller, Enrique C.
Abstract:: Greenhouse and growth chamber experiments were conducted with the following objectives: (a) to study the effects of N-1-naphthylphthalamic acid (naptalam) on shoot and tuber production, rhizome transformation, and growth of yellow nutsedge (Cyperus esculentus L.) plants; (b) to study the effects of N-phosphonomethyl glycine (glyphosate) on nutsedge plants at different...
Resource Type:: Dissertation
Full Text:: this thesis; to Dr. William W. Chilcote and Dr. Ken G. Naffziger for serving on my graduate committee

ScholarsArchive@OSU

Factors affecting selective control of wild oat and downy brome in wheat by trifluralin

Effect of two methylcarbamates on the toxiciity of isopropyl m-chlorocarbanilate (chlorpropham) to safflower (Carthamus tinctorius L.) and common buckwheat (Fagopyrum esculentum Moench.)

Interaction of cycloate with postemergence herbicides on sugarbeets and weeds

The control of colonial bentgrass (Agrostis tenuis Sibth.) with N-(phosphonomethyl) glycine

Control of purple nutsedge (Cyperus rotundus L.) with glyphosate

Asulam for tansy ragwort control in alfalfa : field efficacy and selectivity factors

Control of volunteer legumes during establishment of legume seed crops with activated carbon bands and non-selective herbicides

A proposed mechanism for diuron-induced phytotoxicity

Influence of weed density on efficacy of two soil-applied herbicides

The effects of N-1-Naphthylphthalamic acid on growth of yellow nutsedge and its control with N-Phosphonomethyl glycine

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