Effect of Environment on the Development of Dormancy and Growth of Douglas-Fir Seedlings
- 1 March 1968
- journal article
- research article
- Published by University of Chicago Press in Botanical Gazette
- Vol. 129 (1), 70-83
- https://doi.org/10.1086/336415
Abstract
Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) 1st-year-seedlings from seeds collected from stands in central British Columbia and didfferent altitudes in Oregon were grown under a series of artificial environments for 4 months in each of 3 years. Vegetative growth of seedlings from all seed sources was stimulated by 10ng (15 hr.) photo- periods, high (21[degree]C) night temperatures, and moist soil. Early dormancy was induced by short (9 hr.) photoperiods, 10w (3[degree]C) night temperatures, and dry soil.This publication has 5 references indexed in Scilit:
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