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Web URL(s): | https://archive.lib.msu.edu/tic/its/articles/1997jou507.pdf Last checked: 02/18/2009 Requires: PDF Reader |
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Publication Type:
| Refereed |
Author(s): | McMarty, L. B.;
Weinbrecht, J. S. |
Author Affiliation: | McCarty: Department of Horticulture, Box 340375, Clemson University, Clemson, SC 29634-0375; and Weinbrecht: Department of Environmental Hortilculture, University of FLorida, Gainesville, Florida 32611-0670, USA |
Title: | Cynodon dactylon x C. transvaalensis cv. Tifway sprigging establishment and weed control following pre-emergence herbicide use |
Section: | Turf management: Contributed papers Other records with the "Turf management: Contributed papers" Section
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Meeting Info.: | Sydney, Australia: 1997 |
Source: | International Turfgrass Society Research Journal. Vol. 8, No. Part 1, 1997, p. 507-515. |
Publishing Information: | Blacksburg, VA: International Turfgrass Society |
# of Pages: | 9 |
Keywords: | TIC Keywords: Cynodon dactylon; Cynodon transvaalensis; Turfgrass establishment; Sprigging; Weed control; Preemergence herbicides; Application timing; Oxadiazon; Herbicide formulations; Simazine; Metolachlor; Pendimethalin; Prodiamine; Dithiopyr; Eleusine indica; Cyperus; Richardia scabra; Cenchrus; Digitaria ciliaris
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Abstract/Contents: | "Experiments were conducted to evaluate the establishment rate of sprigged Cynodon dactylon x C. transvaalansis cv. Tifway and corresponding weed control following the use of pre-emergence herbicides. Herbicides were applied either one day before (PRE) or one day following (POST) sprigging at 5.7 m³ ha⁻¹. Plots were aggresively maintained to encourage coverage and included daily watering with 1.0 cm and biweekly fertilisation of 49 kg N ha⁻¹ from various sources. Data were subjected to analyses of variance, means separated by least significant differences (p = 0.05), and various post-hoc contrasts hypothesised to compare application timings (PRE vs. POST) and herbicide formulations. Granular (G) oxadiazon (3.4 kg ha⁻¹) provided quickest cover, equalling the untreated in about 6 weeks while the wettable power (WP) formulation was next, requiring about 10 weeks. Next were simazine (about 12 weeks) at 1.1kg ha⁻¹, metolachlor (12 to 30 weeks) at 2.2 kg ha⁻¹, and pendimethalin (2.8 kg ha⁻¹), prodiamine (0.8 kg ha⁻¹), and dithiopyr at 0.6 kg ha⁻¹ (more than 30 weeks). In one of the three studies, PRE applications of oxadiazon WP, metachlor, pendimethalin, prodiamine, and dithiopyr delayed establishment by about 4 weeks compared with the corresponding POST applications. Pre-emergence Eleusine indica (L.) Gaertn. control was 85 to 100% for 12 weeks following both oxadiazon formulations and pendimethalin, about 10 weeks for dithiopyr and about 8 weeks for prodiamine. Pre-emergence Cyperus compressus L. control exceeded 90% for 12 weeks for oxadiazon (both formulations) and metolachlor, and about 6 weeks for simazine. Metolachlor provided about 70% control of Cyperus rotundus L. for 8 weeks. Oxadiazon provided approximately 85% pre-emergence Richardia scabra L. control for 16 weeks followed by about 75% control for pendimethalin for 16 weeks and dithiopyr for 10 weeks. Oxadiazon WP provided about 80% pre-emergence Cenchrus echinatus L. control for 16 weeks followed by approximately 65% control for dithiopyr and oxadiazon G. Excellent (90 to 100%) control of Digitaria ciliaris (Retz.) Koel. for 16 weeks followed both oxadiazon formulations, dithiopyr, pendimethalin, and prodiamine." |
Language: | English |
References: | 7 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): McMarty, L. B., and J. S. Weinbrecht. 1997. Cynodon dactylon x C. transvaalensis cv. Tifway sprigging establishment and weed control following pre-emergence herbicide use. Int. Turfgrass Soc. Res. J. 8(Part 1):p. 507-515. |
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| MSU catalog number: SB 433 .I52 v. 8 |
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