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Filtering by: Creator Belton, John Clair Subject Douglas fir -- Growth

Effects of seed characters and competitive environment on two-year performance of open-pollinated Douglas-fir families

Creator:

St. Clair, John Bradley

Abstract:

Ungerminated seed and recent germinants from 39 open-pollinated Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco) families were planted in each of three competitive environments in order to determine the degree to which growth differences among families are influenced by competitive environment, seed weight, and date of emergence. The three competitive...

Resource Type:

Dissertation