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| Web URL(s): | http://www.bioone.org/bioone/?request=get-document&issn=0890-037X&volume=017&issue=04&page=0788
Last checked: 11/2005
Access conditions: Item is within a limited access website |
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| Publication Type:
| Refereed |
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| Author(s): | Wiecko, Greg |
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| Author Affiliation: | Professor, College of Natural and Applied Sciences, Agriculture Experiment Station, University of Guam, Mangilao, Guam |
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| Title: | Ocean water as a substitute for postemergence herbicides in tropical turf |
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| Source: | Weed Technology. Vol. 17, No. 4, October-December 2003, p. 788-791. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America. |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Saline water; Weed control; Salt stress; Digitaria sanguinalis; Eleusine indica; Cyperus esculentus; Paspalum vaginatum; Cynodon dactylon; Eremochloa ophiuroides; Stenotaphrum secundatum
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| Abstract/Contents: | "Research was designed to reduce herbicide use by replacing POST herbicides with readily available ocean water to control weeds in turfgrasses. Sensitivity to salt stress was evaluated for large crabgrass, goosegrass, mimosa-vine, alyceclover, and yellow nutsedge, as well as the turfgrasses such as seashore paspalum, bermudagrass, St. Augustinegrass, and centipedegrass. Three different salinity levels, (55, 37, and 19 dS/m) and two salt-stress durations (3 and 6 d) were tested. Mimosa-vine was fully controlled at 55 and 37 dS/m. Alyceclover showed maximum injury at 95% when treated at 55 dS/m for 6 d and 90% when treated for 3 d. Large crabgrass was controlled at 55 dS/m. Goosegrass injury was up to 90% at 55 dS/m, but injured plants recovered to 48% at 30 d. Yellow nutsedge showed a maximum of 38% injury but showed 0% injury at 30 d. Among tested turfgrasses, seashore paspalum showed tolerance to pure ocean water at 55 dS/m, with maximum injury at 18%. At the same level of stress, maximum injury for bermudagrass was 30%, for St. Augustinegrass 60%, and for centipedegrass 100%. Lower levels of salt stress resulted in less injury but were still excessive for St. Augustinegrass and centipedegrass. Ocean water was shown to be an effective method to control mimosa-vine, and large crabgrass in seashore paspalum and bermudagrass turfs." |
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| Language: | English |
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| References: | 23 |
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| See Also: | Other items relating to: Seashore Paspalum - Since 2000
Other items relating to: SALMT |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wiecko, G. 2003. Ocean water as a substitute for postemergence herbicides in tropical turf. Weed Technol. 17(4):p. 788-791. |
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| Web URL(s):
http://www.bioone.org/bioone/?request=get-document&issn=0890-037X&volume=017&issue=04&page=0788
Last checked: 11/2005
Access conditions: Item is within a limited access website |
| 
MSU catalog number: SB 610 .W44 |
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