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| Publication Type:
| Refereed |
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| Author(s): | Buta, J. G.;
Spaulding, D. W.;
Reed, A. N. |
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| Author Affiliation: | Plant Hormone Laboratory, Agricultural Research Service, U.S. Dept. of Agric., Beltsville, MD. |
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| Title: | Differential Growth Responses of Fractionated Turfgrass Seed Leachates |
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| Source: | HortScience. Vol. 22, No. 6, December 1987, p. 1317-1319. |
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| Publishing Information: | St. Joseph, MI : American Society for Horticultural Science |
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| Keywords: | TIC Keywords: Growth; Seed germination; Allelopathy; Festuca arundinacea; Lolium multiflorum; Lolium perenne; Poa pratensis; Poa annua; Seeds; Seed treatment
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| Abstract/Contents: | "Seed leachates of 'Kentucky 31' and 'Rebel' tall fescue (Festuca arundinacea Schreb.), 'Citation' and 'Manhattan' perennial ryegrass (Lolium perenne L.), annual ryegrass (Lolium multiflorum Lam.), annual bluegrass (Poa annua L.), and 'Mystic' and 'Victa' Kentucky bluegrass (Pratensis L.) were evaluated for inhibition of lettuce (Lactuca sativa L. 'Grand Rapids') germination and seedling growth (a widely used bioassay for allelopathic effects). Different degrees of inhibition of lettuce seedling growth were found in the turfgrass cultivars 'Rebel' > 'KY31', 'Victa' > 'Mystic', 'Citation' = 'Manhattan', and in annual bluegrass and annual ryegrass. Grass seed leachates were separated into organic and inorganic fractions suing XAD-2 polystyrene resin. Organic fractions were inhibitory to lettuce seedlings growth. Inorganic fractions were also inhibitory to lettuce seedling growth at high concentrations but were stimulatory at low concentrations. Germination of lettuce was not affected by leachates or their fractions." |
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| Language: | English |
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| References: | 8 |
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| Note: | Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Buta, J. G., D. W. Spaulding, and A. N. Reed. 1987. Differential Growth Responses of Fractionated Turfgrass Seed Leachates. HortScience. 22(6):p. 1317-1319. |
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