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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/82/5/AJ0820050901
Last checked: 12/14/2016
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| Publication Type:
| Refereed |
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| Author(s): | Goatley, J. M. Jr.;
Schmidt, R. E. |
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| Title: | Seedling Kentucky bluegrass growth responses to chelated iron and biostimulator materials |
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| Source: | Agronomy Journal. Vol. 82, No. 5, September/October 1990, p. 901-905. |
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| Publishing Information: | Washington: American Society of Agronomy |
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| Keywords: | TIC Keywords: Poa pratensis; Biostimulants; Benzyladenine; Propiconazole; Seaweed products; Iron chelates
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| Abstract/Contents: | "Enhanced growth of seedling turfgrasses with biostimulator materials or chelated Fe could accelerate the rate of establishment. Field experiments in the spring and fall of 1987 and in the greenhouses in the winter of 1988 were designed to measure seedling Kentucky bluegrass(poa pratensis L.) growth response to foliar applications of benzyladenine (BA, 6-benzylaminopurine), propiconazole, triadimefon, or a fortified seaweed extract (SWE, containing 500 mg L-1 of glycol kinetin and 500 ug L-1 gibberellins) applied alone or in combination with chelated Fe (8% Fe-phosphate citrate). The seaweed extract (0.03 mL product m-2) significantly increased root and shoot growth 6 wk after treatment (WAT) in the spring experiment, and 4 and 6 WAT in the winter greenhouse experiment. The SWE also increased the gross CO2 exchange rate (CER) on a land area basis 4 and 6 WAT in the winter experiment. Propiconazole (42mg m-2) significantly increased seedling leaf number 6 WAT in the fall experiment. Triadimefon (150) mg m-2) or BA (6mg m-2) applications generally were not as effective in increasing seedling growth as were the SWE or propiconazole. Foliar Fe applications (112 mg m-2), either alone or in combination with biostimulators, significantly increased root and shoot growth and gross CER on a land area basis 4 and 6 WAT in the winter greenhouse experiment. Applications of Fe increased root dry weight 6 WAT in the spring field experiment. Growth responses to individual biostimulator and Fe combinations were highly variable among experiments,, suggesting possible interactions between the growth response mechanisms of the treatments." |
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| Language: | English |
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| References: | 17 |
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| See Also: | Other items relating to: IRON
Other items relating to: Biostimulants |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Goatley, J. M. Jr., and R. E. Schmidt. 1990. Seedling Kentucky bluegrass growth responses to chelated iron and biostimulator materials. Agron. J. 82(5):p. 901-905. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/82/5/AJ0820050901
Last checked: 12/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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