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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:: methods of weed control (16, 17, 26). The removal of susceptible annual weed species by chemical control

Progress in chemical control of certain weed trees, shrubs, and grasses on forest lands in western Oregon

Creator:: Newton, Michael, 1932-
Abstract:: More than one-fourth of the forest land in the Pacific Northwest is growing timber at reduced capacity as the result of brush encroachment. Increasing use of chemicals in brush control requires that more information be available regarding their use. Bigleaf maple, Oregon oak and vine maple are among the more...
Resource Type:: Masters Thesis

Nursery container weeds response to modification of substrate pH, substrate particle size and applied nitrogen form

Creator:: Wada, Sugae
Abstract:: Experiments were conducted to determine the influence of cultural management practices on weed growth in nursery containers. Experiments 1 and 2 evaluated the effects of dolomitic lime rate and application method on substrate pH, creeping woodsorrel (Oxalis corniculata L.) establishment in containers, and growth of azalea (Rhododendron ‘Rosebud’) and pieris...
Resource Type:: Masters Thesis
Full Text:: in smaller size containers competition is more severe. Weed control in containers must be

Some factors influencing the effectiveness of soil fumigants for weed control

Creator:: Freed, Virgil H. (Virgil Haven), 1919-
Resource Type:: Masters Thesis
Full Text:: fumigants for weed control AN ABSTCT OF THE THESIS OF Virgil H. Freed for the M. S. in Farm Crops

Some factors influencing the chemical control of annual grasses in Festuca arundinacea Schreb

Creator:: Bayer, David E.
Resource Type:: Masters Thesis
Full Text:: resulted in a demand for research to find a more efficient and loss expensive mothod of weed. control

The effect of growth regulating compounds on winter wheat varieties

Creator:: Miller, Jonas William
Resource Type:: Masters Thesis
Full Text:: . Alex. Effect of 2,4-D on wheat. Research report of 7th annual north central weed control conference

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:: chernical soil active herbicides" Future investigations involving the chemical control of Poa eq4riq

The reproduction and mode of spread of sago pondweed (Potamogeton pectinatus L.) in irrigation system

Creator:: Ogg, Alex G.
Abstract:: Nine experiments were conducted during 1964 and 1965 to study the methods of reproduction and mode of spread of sago pondweed (Potamogeton pectinatus) in irrigation systems. Frequent treatments of sago pondweed foliage with aromatic solvent greatly reduced the number of tubers in the substratum of an irrigation canal. However, complete...
Resource Type:: Masters Thesis
Full Text:: developing satisfactory measures for control of this troublesome aquatic weed in irrigation systems. For

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:: is an asymmetrical s- triazine herbicide used pre - and post emergence for weed control in many

Herbicidal effectiveness of trifluralin as influenced by methods of incorporation into the soil and depth of weed seed germination

Creator:: Gargano, Don Richard
Abstract:: This study was conducted to compare the effectiveness of four methods of incorporating the herbicide trifluralin into the soil, and to determine the interaction between depth of incorporation of trifluralin and depth of weed seed germination. Field experiments on green and dry peas were established in Oregon and Idaho. Trifluralin,...
Resource Type:: Masters Thesis
Full Text:: harvest, yields were taken and plots were evaluated for weed control. On dry peas, only the tine

ScholarsArchive@OSU

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

Progress in chemical control of certain weed trees, shrubs, and grasses on forest lands in western Oregon

Nursery container weeds response to modification of substrate pH, substrate particle size and applied nitrogen form

Some factors influencing the effectiveness of soil fumigants for weed control

Some factors influencing the chemical control of annual grasses in Festuca arundinacea Schreb

The effect of growth regulating compounds on winter wheat varieties

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

The reproduction and mode of spread of sago pondweed (Potamogeton pectinatus L.) in irrigation system

The influence of magnesium on the toxicity of atrazine

Herbicidal effectiveness of trifluralin as influenced by methods of incorporation into the soil and depth of weed seed germination

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