Full TGIF Record # 269912
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Web URL(s):https://archive.lib.msu.edu/tic/its/articles/1974sup27a.pdf
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Publication Type:
Content Type:Abstract or summary only
Author(s):Johnson, B. J.
Author Affiliation:College of Agriculture, University of Georgia
Title:Herbicide influence on rate of establishment of warm season turfgrasses
Section:Weeds and insects
Other records with the "Weeds and insects" Section
Meeting Info.:Blacksburg, Virginia: June 19-21, 1973
Source:Abstracts of Papers Presented at the Second International Turfgrass Research Conference. 1973, p. 27.
Publishing Information:Blacksburg, Virginia: [International Turfgrass Society]
# of Pages:1
Keywords:TIC Keywords: 2,4-D; Atrazine; Cynodon dactylon x Cynodon transvaalensis; DCPA; Eremochloa ophiuroides; Establishment rate; Herbicide evaluation; Herbicide resistance; MSMA; Pronamide; Simazine; Stenotaphrum secundatum; Warm season turfgrasses
Cultivar Names:Tifway
Abstract/Contents:"Herbicide studies were conducted for 2 years on Tifway bermuda, centipede, and St. Augustine grasses at Experiment, Georgia, to determine the amount of weeds controlled, tolerance of the turfgrass varieties and length of establishment period when herbicide treatments were applied immediately after sprigging and followed with sequential herbicide treatments during the first growing season. The average percentage of ground cover of Tifway bermudagrass at 17 weeks after sprigging increased from 33% when no herbicide was used to 56% when DCPA was applied alone and 73% or more when sequential treatments of MSMA + 2,4-D or DCPA followed by MSMA + 2,4-D were used. When weedy grasses were not controlled, Tifway covered less ground during the first growing season with 1/2 yd/1000 ft2 than when sprigged at 1 or 2 yd/1000 ft2. The control of weedy grasses was 84% with DCPA at 17 weeks after sprigging compared with 95% or more with sequential treatments with DCPA followed by MSMA + 2,4-D . Centipede and St. Augustine grass treated with single applications of simazine at Ib/A or atrazine at 2.0 lb/A resulted in good ground cover and controlled approximately 80% of the weedy grasses 18 weeks after sprigging. The percent cover of the turfgrasses was similar on plots treated with atrazine at 1.0 lb/A, but the weedy grasses were not controlled as well as with simazine. Atrazine or simazine above 2.0 lb/A, or repeated application of 1.0, 2.0, or 3.0 lb/A rates to total 6.0 lb/A resulted in less cover of turfgrasses than from single treatments. Centipede grass treated with pronamide immediately after sprigging offered various degrees of weedy grass control, with highest control from sequential treatments. Centipede was tolerant to single rates of 0.5, 0.75, and 1.5 lb/A and selected sequential treatments not to exceed 4.5 lb/A. Pronamide at the 3.0 lb/A single rate caused severe injury. These results show that herbicides can be useful in the establishment of warm season turfgrass varieties."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnson, B. J. 1973. Herbicide influence on rate of establishment of warm season turfgrasses. Int. Turfgrass Soc. Annexe - Tech. Pap. p. 27.
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