Seed Germination of Fraser Fir: Timing of Irradiation and Involvement of Phytochrome
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Published:1990-03
Issue:2
Volume:115
Page:231-234
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ISSN:0003-1062
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Container-title:Journal of the American Society for Horticultural Science
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language:
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Short-container-title:jashs
Author:
Henry Paul H.,Blazich Frank A.
Abstract
Two experiments investigated the relationship of light and temperature in seed germination of Fraser fir [Abies fraseri (Pursh) Poir.]. Irradiation during the warm portion of 9/15 hr thermoperiod of 20/10C and 30/20C increased germination percentages after 42 days, and the degree of stimulation depended on the timing of the light exposures. A 1-hr exposure was most effective during the latter part of the warm portion of the thermoperiods, and varying the time of irradiation had the greatest effect at 20/10C. The involvement of phytochrome in this photomorphogenic response was ascertained by demonstration of red/far-red reversibility.
Publisher
American Society for Horticultural Science
Subject
Horticulture,Genetics
Cited by
2 articles.
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1. Bibliography;Growth Control in Woody Plants;1997
2. Abies fraseri (Pursh) Poir. (Fraser Fir);Biotechnology in Agriculture and Forestry;1996