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| Web URL(s): | https://web.archive.org/web/20160212005649/http://www.turfgrasssociety.eu/home/articles/code/262?headline=Controlling%20Poa%20annua%20Utilizing%20a%20Program%20Approach
Last checked: 08/01/2016
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | McCarty, L. B. |
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| Title: | Controlling Poa annua utilizing a program approach |
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| Meeting Info.: | 11-14 April 2010: Angers, Loire Valley, France |
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| Source: | 2nd European Turfgrass Society Conference Proceedings. Vol. 2, May 21 2010, p. Unknown. |
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| Publishing Information: | Angers, France: European Turfgrass Society |
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| # of Pages: | 0 |
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| Keywords: | TIC Keywords: Application timing; Chemical control; Clemson University; Germination; Herbicide evaluation; Herbicide program; Poa annua control
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| Abstract/Contents: | "Annual bluegrass (Poa annua L.) or simply Poa, continues to be the most problematic winter annual weed world-wide in fine turf. Its low growth habit and unique ability to thrive in moist, compacted conditions make control difficult with management practices alone. Also, due to low heat tolerance, it quickly dies in warm weather, leaving thin or bare sites. Lastly, the development of perennial Poa biotypes often slowly dominates bentgrass (Agrostis palustris L.) greens. Chemical control is difficult to achieve due to: (1) inability of most preemergence herbicides to prevent selective Poa germination while not affecting desirable grass establishment, (2) most postemergence Poa herbicides also damage desirable turfgrass species, and (3) herbicide resistant biotypes typically evolve after 7 to 10 years continuous use of products with similar modes-of-action. For most areas of the southeastern USA (abbreviated as SEUSA), ~75% of the yearly Poa germination occurs in September, October and November. The remaining 25% germination occurs sporadically from December through April, depending on temperatures, their duration, and fluctuation. This wide range and longevity of germination makes control with just one product extremely difficult, thus, a series of appropriately timed herbicide applications are typically needed to provide satisfactory results. Programs developed to manage Poa at Clemson University (USA) utilize a series of steps, included growing healthy turf and successful timing of appropriate herbicides." |
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| Language: | English |
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| References: | Unknown |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCarty, L. B. 2010. Controlling Poa annua utilizing a program approach. Eur. Turfgrass Soc. Conf. Proc. 2:p. Unknown. |
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| Web URL(s):
https://web.archive.org/web/20160212005649/http://www.turfgrasssociety.eu/home/articles/code/262?headline=Controlling%20Poa%20annua%20Utilizing%20a%20Program%20Approach
Last checked: 08/01/2016
Access conditions: Item is within a limited-access website |
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