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| Web URL(s): | http://www.newss.org/wp-content/uploads/2017/07/2017-NEPPSC-Proceedings-FINAL.pdf#page=106
Last checked: 04/16/2018
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Notes: Item is within a single large file
https://www.newss.org/wp-content/uploads/2017/07/2017-NEWSS-Proceedings-FINAL.pdf#page=94
Last checked: 01/23/2023
Requires: PDF Reader
Notes: Item is within a single large file; Proceedings of the Seventy First Annual Meeting of the Northeastern Weed Science Society reprint |
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| Publication Type:
| Proceedings |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Askew, S.;
Craft, J.;
Brewer, J. R. |
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| Author Affiliation: | Virginia Tech, Blacksburg, VA |
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| Title: | Herbicide options for annual grass weed control during bermudagrass sprig establishments |
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| Meeting Info.: | Philadelphia, Pennsylvania: January 3-6, 2017 |
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| Source: | Proceedings of the Second Annual Meeting of the Northeastern Plant, Pest, and Soils Conference. 2017, p. 99. |
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| Publishing Information: | s.l.: Northeastern Weed Science Society; Northeastern Regional Branch of the American Society of Agronomy, Crop Science Society of America, & Soil Science Society of America; and American Society of Horticultural Science - Northeastern Division |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Annual grass weeds; Application rates; Cynodon dactylon x Cynodon transvaalensis; Herbicide efficacy; Herbicide evaluation; Weed control
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| Cultivar Names: | Latitude |
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| Abstract/Contents: | "Summer annual grasses, such as goosegrass and smooth crabgrass, are particularly troublesome during bermudagrass establishment from sprigs. Recent restrictions on MSMA use have left turfgrass managers with few options for weed management during bermudagrass establishment. A study was conducted in summer of 2016 to evaluate several herbicide programs for goosegrass, smooth crabgrass, and tufted lovegrass control and response of 'Latitude' bermudagrass during establishment from sprigs. Sprigs were row planted on July 12, 2016 and herbicide treatments were initiated 6 wk later. At 4 WAT, Drive XLR8 at 64 oz/A once or 32 oz/A twice at a 3-wk interval and Tenacity at 2 oz/A + Sencor at 4 oz/A controlled smooth crabgrass 81% or greater and equivalent to the hand-weeded check. Revolver at 17 oz/A alone or mixed with Drive at 32 oz/A, Tribute Total, Speedzone, Solitaire, and Pylex + Drive controlled smooth crabgrass 73% or less and less than the hand-weeded check. All foramsulfuron-containing treatments and Pylex at 0.5 oz/A + Drive at 32 oz/A controlled goosegrass 85% or more and equivalent to the hand weeded check 4 WAT. No treatment controlled tufted lovegrass greater than 60% or equivalent to the hand-weeded check at 4 WAT. Although the hand weeded check controlled all weeds 100% for the first 4 weeks, by 8 WAT some weed recovery or new emergence had reduced control to 85 and 87% for smooth crabgrass and goosegrass, respectively. At this timing, only Drive alone or Revolver at 27 oz/A + Drive at 32 oz/A controlled smooth crabgrass equivalent to the hand-weeded check. Only Revolver at 27 oz/A alone or with Drive, Tribute Total at 3.2 oz/A, and Pylex + Drive controlled goosegrass equivalent to the hand-weeded check. No herbicide controlled tufted lovegrass more than 43%. At 1 WAT, Revolver-containing treatments, Tribute Total, and Dismiss at 8 oz/A + Sencor at 4 oz/A were generally the least injurious (<27%) and treatments that contained Pylex (90%), Tenacity (47%), Drive (35 - 42%), or Speedzone(53 - 55%) were generally the most injurious. At 4 WAT, Drive applied twice and Pylex were the only treatments that injured bermudagrass more than 30%. At 5 WAT and beyond, no treatment injured bermudagrass more than 16%. Sheer strength at 4 WAT ranged from 57 to 66 n m-2 and was equivalent for all plots except Pylex + Drive, which was slightly lower at 54 n m-2 . These data suggest that Tribute Total or high rates of Revolver mixed with Drive cause the least bermudagrass injury while maintaining acceptable weed control of smooth crabgrass and goosegrass. Tenacity + Senor was initially injurious but bermudagrass quickly recovered and this treatment maintained a moderate level of weed control throughout the study and represents a more economical option. The Pylex rate used in this study was excellent for goosegrass control but too injurious to bermudagrass. Future work will seek to further refine treatment programs using the more successful herbicides in the current study." |
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| Language: | English |
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| References: | 0 |
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| Note: | Reprint appears in Proceedings of the Seventy First Annual Meeting of the Northeastern Weed Science Society, Vol. 71 2017, p. 66
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Askew, S., J. Craft, and J. R. Brewer. 2017. Herbicide options for annual grass weed control during bermudagrass sprig establishments. p. 99. In Proceedings of the Second Annual Meeting of the Northeastern Plant, Pest, and Soils Conference. Philadelphia, Pennsylvania: January 3-6, 2017. s.l.: Northeastern Weed Science Society; Northeastern Regional Branch of the American Society of Agronomy, Crop Science Society of America, & Soil Science Society of America; and American Society of Horticultural Science - Northeastern Division. |
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| Web URL(s):
http://www.newss.org/wp-content/uploads/2017/07/2017-NEPPSC-Proceedings-FINAL.pdf#page=106
Last checked: 04/16/2018
Requires: PDF Reader
Notes: Item is within a single large file
https://www.newss.org/wp-content/uploads/2017/07/2017-NEWSS-Proceedings-FINAL.pdf#page=94
Last checked: 01/23/2023
Requires: PDF Reader
Notes: Item is within a single large file; Proceedings of the Seventy First Annual Meeting of the Northeastern Weed Science Society reprint |
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