Browsing Theses, Dissertations and Student Research Papers (School of Forestry, pre - 1984) by Author "Rietveld, W. J."

Now showing items 1-1 of 1

Effects of three plant growth regulators upon growth patterns in seedlings of three races of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco

Rietveld, W. J. (1966-12-12)

Populations of Douglas-fir seedlings from interior British Columbia, Vancouver Island, and Arizona received six bi-weekly foliar spray applications of the growth regulators IAA, CCC, and B-995, each at three concentra ...