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Sethoxydim herbicide in red fescue and bentgrass : levels and mechanisms of selectivity

Creator:: Butler, J. Hugh B.
Abstract:: The herbicide rate required to reduce growth by 50% (GR₅₀) of 11 cultivars of red fesue (Festuca rubra L. and F. rubra ssp. commutata) and for four cultivars of bentgrass (Agrostis tenuis Sibth. and A. stolonifera L. var. palustris) to sethoxydim (2-[1-(ethoxyimino) butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-one) was determined in greenhouse and laboratory experiments....
Resource Type:: Dissertation
Full Text:: and mechanisms of selectivity AN ABSTRACT OF THE THESIS OF J. Hugh B. Butler for the degree of

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

Creator:: Brewster, Bill D.
Resource Type:: Masters Thesis
Full Text:: guidance has made my graduate studies both interesting and enjoyable. To Dr. William S. McGuire and Dr

The influence of magnesium on the toxicity of atrazine

Creator:: Brenchley, Ronald Glenn
Abstract:: Atrazine is an asymmetrical s-triazine herbicide used pre- and post emergence for weed control in many crops. Triazine herbicides have been used in the Pacific-Northwest for weed control in orchard crops. Under certain conditions where trees were grown in nutrient deficient areas, it was noted that toxic symptoms due to...
Resource Type:: Masters Thesis
Full Text:: . To Dr . William W. Chilcote, who served on my graduate advisory committee. To Drs. Harold J

Foliage applications of terbacil to peppermint (Mentha piperita) and several weed species

Creator:: Radosevich, Steven R.
Abstract:: Several studies were conducted to determine the feasibility of using terbacil (3-tert-butyl-5-chloro-6-methyluracil) postemergence to weeds and peppermint (Mentha piperita L.). Three nonionic surfactants, four nonphytotoxic oils, and a liquid fertilizer were each combined with 0.5 lb ai/A terbacil in 35 gallons of water per acre. Weed species tested include: redroot...
Resource Type:: Masters Thesis
Full Text:: preparation of this manuscript. I am grateful to Dr. William R. Furtick and Mrs. LaRea Johnston for serving

The herbicide HOE 23408; soil persistence, spring wheat cultivar tolerance, and interaction with broadleaf herbicides

Creator:: Ivackovich, Branislav D.
Abstract:: HOE 23408 [ 4-(2' , 4'-dichlorophenoxy)-phenoxy-u-propionic methylester.1 is a promising new compound for control of wild oats and other grass weeds in small grains. Several factors influencing its use for this purpose were investigated. Greenhouse bioassay studies were conducted in 1975 to determine relative persistence of HOE 23408 in four...
Resource Type:: Masters Thesis
Full Text:: . I am grateful to Dr. Kenton L. Chambers and Dr. William 0. Lee for serving on my committee and

Influence of soil moisture on the movement of bromacil in soil

Creator:: Ross, Claude Gray
Abstract:: In previous research, bromacil gave good performance when it was applied in early fall with fairly dry soil conditions and before the fall germinating weeds had started growth. On the other hand, if bromacil was applied in late November, December, or January on nearly saturated soil with weeds that had...
Resource Type:: Masters Thesis
Full Text:: Dr. William W. Chilcote, who served on my graduate advisory committee. Special thanks go to Larry

The response of tomatoes to atrazine as affected by magnesium and photoperiod

Creator:: Brenchley, Ronald Glenn
Abstract:: Studies were conducted to determine the nature of the interaction between atrazine (2-chloro-4-ethylamino-6-isopropylaminos- triazine) and magnesium on tomatoes. This interaction was studied under two light regimes: continuous light and a 12-hour photoperiod. Tomato plants were grown in sand cultures at three levels of magnesium fertilization. Four weeks after planting, atrazine...
Resource Type:: Dissertation
Full Text:: . William W. Chilcote, W. R. Furtick, and Frank H. Smith for serving as members of the graduate committee

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:: production, rhizome transfor- mation, and growth of yellow nutsedge (Cyperus esculentus L.) plants; (b) to

Reduction in atrazine toxicity to winter wheat by the growth retardant CCC

Creator:: Kirkland, Kenneth
Resource Type:: Dissertation
Full Text:: treated plants and increased turnover rate of chlorophylls a and b and of (3-carotene are recognized

Interaction of cycloate with postemergence herbicides on sugarbeets and weeds

Creator:: Olson, Phillip David Leroy
Resource Type:: Masters Thesis
Full Text:: several weed species and (b) deter-mine in the laboratory if observed interactions are a result of

ScholarsArchive@OSU

Sethoxydim herbicide in red fescue and bentgrass : levels and mechanisms of selectivity

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

The influence of magnesium on the toxicity of atrazine

Foliage applications of terbacil to peppermint (Mentha piperita) and several weed species

The herbicide HOE 23408; soil persistence, spring wheat cultivar tolerance, and interaction with broadleaf herbicides

Influence of soil moisture on the movement of bromacil in soil

The response of tomatoes to atrazine as affected by magnesium and photoperiod

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

Reduction in atrazine toxicity to winter wheat by the growth retardant CCC

Interaction of cycloate with postemergence herbicides on sugarbeets and weeds

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