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Filtering by: Committee Member Chilcote, William W. Decade 1960-1969 Resource Type Masters Thesis

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
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
Factors influencing the herbicidal activity of dimethyl 2,3,5,6-tetrachloroterephthalate

Creator:

McKinley, James Raleigh

Abstract:

Studies were conducted to determine the site of DCPA toxicity on annual ryegrass. This was done by means of a technique which used pyrex tubing and a vapor barrier to separate exposure of coleoptile and roots of emerging grass seedlings to various concentrations of DCPA. Coleoptiles that emerged through treated...

Resource Type:

Masters Thesis