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Publication Type:
| 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
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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
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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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