Effects of Prolonged Exposure of Roots on Survival of 2-0 Douglas-Fir Seedlings
Abstract:Roots of 2-0 Douglas-fir seedlings were exposed under controlled conditions of temperature and humidity for periods ranging from 5 to 120 minutes prior to planting. Adverse effects of exposure were found to vary with time of lifting and length of storage. Trees lifted in winter withstood longer exposures than did trees lifted in fall or spring. Extending storage appeared to increase susceptibility to exposure. With one exception, gain in weight of surviving seedlings was reduced markedly by exposures beyond 30 minutes.
Document Type: Journal Article
Affiliations: Forest Research Laboratory, Oregon State University, Corvallis
Publication date: 1964-06-01
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