Full TGIF Record # 67685
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Publication Type:
i
Refereed
Author(s):Pill, Wallace G.; Bender, Renee H.; Pie, Adrienne C.; Marvel, Josh K.; Veacock, Erin E.
Author Affiliation:Pill: Professor; and Bender, Pie, Marvel, and Veacock: Undergraduate Students, Department of Plant and Soil Sciences, University of Delaware Newark, Delaware
Title:Responses of six wildflower species to seed matric priming
Section:Research reports
Other records with the "Research reports" Section
Source:Journal of Environmental Horticulture. Vol. 18, No. 3, September 2000, p. 160-165.
Publishing Information:Washington, DC: Horticultural Research Institute
# of Pages:6
Keywords:TIC Keywords: Seed priming; Wildflowers; Responses; Vermiculite; Germination; Gibberellic acid; Emergence; Shoots; Dry weight; Seedling emergence; Seed germination; Establishment; Establishment rate; Water availability
Abstract/Contents:"Seeds of six wildflower species [Aster novae-angliae (New England aster), Rudbeckia hirta (Black-eyed Susan), Liatris spicata (Blazing star), Hesperis natronalis (Dame's rocket), Gaillardia aristata (Perennial gaillardia), and Asclepias tuberosa (Butterfly weed)] were matrically primed in fine, exfoliated vermiculite. Seeds were primed for 7 days at 15C (59F) at an initial matric potential of -0.5MPa (-5 bars) in darkness, then dried for 7 days before sowing. A seed: vermiculite (1:2 by wt) ratio was found to be the most appropriate of several ratios because it increased germination rate of all species except Black-eyed Susan, increased the germination percentage of Perennial gaillardia, and prevented germination of Dame's rocket and Perennial gaillardia during priming. Under restricted water availability [-0.25 and -0.50 MPa (-2.5 and -0.50 bars)] priming increased the germination percentage of Perennial gaillardia and Butterfly weed and increased the germination rate of all species. Compared with hydration of the vermiculite with water, using 10⁻³ M gibberellic acid during priming increased the emergence rate of Dame's rocket, increased the emergence percentage of Perennial gaillardia, and increased the shoot dry weights of New England aster and Black-eyed Susan."
Language:English
References:27
See Also:Other items relating to: PREGRM
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Pill, W. G., R. H. Bender, A. C. Pie, J. K. Marvel, and E. E. Veacock. 2000. Responses of six wildflower species to seed matric priming. J. Environ. Hortic. 18(3):p. 160-165.
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