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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/79/3/AJ0790030524
Last checked: 12/09/2016
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| Publication Type:
| Refereed |
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| Author(s): | Carrow, R. N.;
Johnson, B. J.;
Burns, R. E. |
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| Author Affiliation: | Associate professor, professor, and associate professor emeritus of Agronomy, Experiment (Griffin), GA. |
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| Title: | Thatch and quality of Tifway bermudagrass turf in relation to fertility and cultivation |
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| Source: | Agronomy Journal. Vol. 79, No. 3, May/June 1987, p. 524-530. |
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| Publishing Information: | Washington: American Society of Agronomy |
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| Keywords: | TIC Keywords: Cynodon dactylon; Cynodon Transvaalensis; Vertical mowing; Quality; Cultivation; Coring; Aeration; Dethatching; Nitrogen; Potassium; Dollar spot
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| Abstract/Contents: | "Secondary cultural practices, such as core aeration, vertical mowing, and topdressing, are being used on home lawn turf to a greater extent, even though specific problems may not warrant their application. In a field study (clayey, kaolinitic, thermic Typic Hapludult soil), we applied secondary cultural practices on 'Tifway" bermudagrass [Cynodon dactylon (L.) Pers. x C. transvaalensis (Burtt-Davis)] in conjunction with annual N rates of 98, 196, and 296 kg ha-1 and accumulation, but a minimum of 196 kg N ha-1 was necessary for adequate shoot density and color. The 49 kg K ha-1 resulted in as good or better shoot density and color than did higher K rates. Three to four times more dollar spot (Moellerodiscus spp. and Lanzia spp.) occurred at the lowest N rate, while K had much less influence on disease incidence. Core aeration applied once or twice per year caused a loss of stand density and did not reduce thatch accumulation regardless of whether cores were removed or returned. Vertical mowing twice per year decreased thatch by 8% but shoot density was adversely affected. At the end of 4 yr. topdressing with sand reduced thatch by 44 to 62 % for one or two applications, respectively, while maintaining adequate shoot density and color. Increasing N or K did not offset the adverse effects of core aeration or vertical mowing. Thus, under home lawn conditions, core aeration and vertical mowing should only be used if a specific problem exists and not as routine practices to prevent thatch accumulation." |
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| Language: | English |
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| References: | 17 |
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| See Also: | Other items relating to: AERIFY |
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| Note: | Figures
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Carrow, R. N., B. J. Johnson, and R. E. Burns. 1987. Thatch and quality of Tifway bermudagrass turf in relation to fertility and cultivation. Agron. J. 79(3):p. 524-530. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/79/3/AJ0790030524
Last checked: 12/09/2016
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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