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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2011 Proceedings-SWSS.pdf#page=206
Last checked: 08/05/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Lewis, D. F.;
Gannon, T. W.;
Yelverton, F. H. |
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| Author Affiliation: | North Carolina State University, Raleigh, NC |
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| Title: | Indaziflam for preemergent weed control in warm season turfgrass |
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| Section: | Weed management in turf
Other records with the "Weed management in turf" Section
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| Meeting Info.: | San Juan, Puerto Rico: January 24-26, 2011 |
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| Source: | 2011 Proceedings, Southern Weed Science Society. Vol. 64, 2011, p. 98. |
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| Publishing Information: | Champaign, Illinois: Southern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Application timing; Cynodon dactylon; Digitaria ischaemum; Golf greens; Herbicide evaluation; Indaziflam; Poa annua; Preemergence weed control
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| Abstract/Contents: | "Annual bluegrass (Poa annua L.) and smooth crabgrass (Digitaria ischaemum Schreb. Ex Muhl.) are annual grassy weeds in warm season turfgrass systems. Preemergence (PRE) herbicides are often utilized for controlling these species; however, germination timings vary greatly among species making PRE application timing critical for successful weed control. Indaziflam is a newly registered herbicide by Bayer CropScience for PRE control of numerous broadleaf and grassy weeds in turfgrass systems. Indaziflam inhibits cellulose biosynthesis and belongs to the alkylazine chemical class. Initial research demonstrates indaziflam is a persistent compound offering long-term PRE control and can provide early postemergence (POST) activity. Research was conducted in 2008 to evaluate various timings of single and/or repeat indaziflam applications for annual bluegrass and smooth crabgrass control in bermudagrass (Cynodon dactylon (L.) Pers.) fairways. Results indicated single and repeat applications of indaziflam (40 and 60 g ai ha-1) applied late September had early POST activity on annual bluegrass, controlling > 70% 227 days after initial application (DAIA); however, control was i Ü 35% for the respective herbicide treatments applied in late October or mid-February indicating mature annual bluegrass is tolerant to POST indaziflam applications. Annual bluegrass control was < 29% 227 DAIA following single and repeat applications of prodiamine (919.5 g ai ha-1) applied late September demonstrating application timing is more critical with this chemical class. Single applications of indaziflam (20-60 g ha-1) controlled crabgrass 65- 83% 345 DAIA; however, repeat applications increased control to 76-98%. Single prodiamine applications provided 48% smooth crabgrass control but increased to > 90% with a repeat application in mid February. These data indicate indaziflam offers flexible application timings for annual bluegrass control. Furthermore, fall applied indaziflam can provide acceptable residual smooth crabgrass control." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lewis, D. F., T. W. Gannon, and F. H. Yelverton. 2011. Indaziflam for preemergent weed control in warm season turfgrass. South. Weed Sci. Soc. Proc. 64:p. 98. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2011 Proceedings-SWSS.pdf#page=206
Last checked: 08/05/2013
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: b2207931 |
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Digitally in TIC by file name: swssp2011 |
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