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Filtering by: Subject Plants, Effect of ultraviolet radiation on Academic Affiliation Forest Management Decade 1970-1979

The metabolic pathways and physiological effects of atrazine in Douglas-fir seedlings

Creator:

Peterson, Charles Adrian

Abstract:

Herbicides are being used as a tool by forest managers to speed the restocking of sites where tree seedlings face competition from grasses for limited moisture, light and nutrients. Retarded growth or, more commonly, death of the seedlings would occur if a selective herbicide was not used to control competing...

Resource Type:

Dissertation
The effect of plant moisture stress on the physiology and establishment of planted Douglas-fir and ponderosa pine seedlings

Creator:

Cleary, Brian D.

Abstract:

The role of moisture stress in seedling physiology and establishment was studied in both the field environment and laboratory experiments. Plant moisture stress was measured using the pressure chamber technique. This technique was modified and tested using a fascicle of pine needles as a sample, an improvement which allows the...

Resource Type:

Dissertation
The effects of low temperatures on dormancy release in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) from western Oregon, Washington, and California

Creator:

Sugano, Albert Itsuki

Abstract:

The effect of low temperatures given at different times and duration upon the time of bud burst, shoot elongation, number of needles developed and needle length in Douglas-fir plants from the Oregon Cascades and three coastal areas ranging from Washington to California were determined. The plants were grown outside in...

Resource Type:

Masters Thesis

ScholarsArchive@OSU

The metabolic pathways and physiological effects of atrazine in Douglas-fir seedlings

The effect of plant moisture stress on the physiology and establishment of planted Douglas-fir and ponderosa pine seedlings

The effects of low temperatures on dormancy release in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) from western Oregon, Washington, and California

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