Index Catalog // ScholarsArchive@OSU

The influence of herbicide placement in soil on toxicity to emerging seedlings

Creator:: Nishimoto, R. K. (Roy Katsuto), 1944-
Abstract:: Previous research has indicated several soil-applied herbicides are more effective by exposure to emerging shoots than from root uptake. Studies were conducted in the greenhouse and growth chamber to investigate effects of herbicide placement in soil on toxicity to emerging seedlings. In these studies, an inch of treated soil was...
Resource Type:: Masters Thesis
Full Text:: The influence of herbicide placement in soil on toxicity

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

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:: AN ABSTRACT OF THE THESIS OF KENNETH KIRKLAND for the

The effect of soil mixture and soil cover on residual activity of herbicides measured by seedling emergence of Poa annua, L

Creator:: Schwabauer, Richard Allen
Resource Type:: Masters Thesis
Full Text:: AN AtsSTRACT' OF THE T}IESIS OF Richard Allen Schwabauer

The chemical control and the utilization of Anacharis densa

Creator:: Jordan, Gilbert Leroy
Resource Type:: Masters Thesis
Full Text:: The chemical control and the utilization of Anacharis

Effects of herbicides on oxidative phosporylation in mitochondria from cabbage, Brassica oleracea

Creator:: Lotlikar, Prabhakar Dattaram
Resource Type:: Dissertation
Full Text:: Effects of herbicides on oxidative phosphorylation in

Effect of Endothal and certain other selective herbicides on microbial activity in six different soils

Creator:: Au, Frederick Hung Fo
Abstract:: The effect of Endothal (3, 6-endoxyhexahydrophthalic acid), sodium pentachlorophenate (Na-PCP) and TD-47 (di-N, N-dimethylcocoamine salt of Endothal) on the microbial populations, ammonification, nitrification and respiration in six different soils was investigated. It was found that Endothal at 20 and 200 ppm had no adverse effect on the microbial population, ammonification,...
Resource Type:: Dissertation
Full Text:: Effect of endothal and certain other selective herbicides

The physiological effects and fate of dichlobenil (2,6-dichlorobenzonitrile) in an aquatic environment

Creator:: Ogg, Alex Grant, 1941-
Abstract:: The amounts of residual dichlobenil (2,6-dichlorobenzonitrile) in water and hydrosoil were compared periodically following application of the wettable powder and granular formulations of the herbicide to separate ponds at ten pounds of active ingredient per surface acre {0.6 ppmw (parts per million by weight) }. Dichlobenil was measured by electroncapture...
Resource Type:: Dissertation
Full Text:: The physiological effects and fate of dichlobenil (2, 6

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:: The Influence of Magensium on the Toxicity of Atrazine

Interaction of selected herbicides with soil constituents

Creator:: El-Madhun, Yousef Abdel Wahab
Abstract:: The behavior of six herbicides in soil was studied under controlled laboratory conditions. Sorption of bromacil, chiorotoluron and diuron was assessed by the batch equilibration procedure over a broad range of aqueous phase sorbate concentration. Linear equilibrium sorption constants (K[subscript p]) were slightly higher at 4° C than at 25°...
Resource Type:: Dissertation
Full Text:: Interaction of selected herbicides with soil constituents

ScholarsArchive@OSU

The influence of herbicide placement in soil on toxicity to emerging seedlings

Stimulation of plant growth by sub-lethal concentrations of herbicides

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

The effect of soil mixture and soil cover on residual activity of herbicides measured by seedling emergence of Poa annua, L

The chemical control and the utilization of Anacharis densa

Effects of herbicides on oxidative phosporylation in mitochondria from cabbage, Brassica oleracea

Effect of Endothal and certain other selective herbicides on microbial activity in six different soils

The physiological effects and fate of dichlobenil (2,6-dichlorobenzonitrile) in an aquatic environment

The influence of magnesium on the toxicity of atrazine

Interaction of selected herbicides with soil constituents

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