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| Web URL(s): | http://www.jstor.org/stable/4043185
Last checked: 04/28/2014
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http://www.jstor.org/stable/pdfplus/4043185.pdf
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| Publication Type:
| Refereed |
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| Author(s): | Bingham, S. W.;
Shaver, R. L. |
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| Author Affiliation: | Bingham: Prof., Plant Physiol.; Shaver: Lab. Specialist A., Dept. Plant Pathol. and Physiol., Virginia Polytechnic Institute and State Univ., Blacksburg, VA |
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| Title: | Effectiveness of herbicide programs for annual bluegrass (Poa annua) control in bermudagrass (Cynodon dactylon) |
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| Source: | Weed Science. Vol. 27, No. 4, July 1979, p. 367-370. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| # of Pages: | 4 |
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| Related Web URL: | http://www.jstor.org/stable/info/4043185#abstract
Last checked: 05/06/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Oxadiazon; Prosulfalin; Bensulide; Benfluralin; Poa annua; Cynodon dactylon; Digitaria sanguinalis; Eleusine indica; Competition; Poa annua control
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| Abstract/Contents: | "Annual bluegrass (Poa annua L.) growing in bermudagrass completes its life cycle in May and dies leaving open spaces in the turfgrass. This occurs at a time when summer annual weeds are germinating and these weeds fill the space formerly occupied by the annual bluegrass. As the summer annual weeds die in the fall, annual bluegrass germinates and fills the space formerly occupied by the summer annual weeds. To control annual bluegrass, it is important to control the summer annual grasses and manage the bermudagrass [Cynodon dactylon (L.) Pers.] to maintain a competitive groundcover especially during the peak germination period for the weeds. Herbicide programs over a three-year period were designed to control annual grasses with treatments in April for large crabgrass [Digitaria sanguinalis (L.) Scop.], in May or June for goosegrass [Eleusine indica (L.) Gaertn.] and in late August for annual bluegrass. Oxadiazon [2-tert-butyl-4-(2,4-dichloro-5-isopropoxyphenyl)- Δ2-1,3,4-ozadiazolin-5-one] applied in August gave complete control of annual bluegrass. Although oxadiazon has a long residual life in the soil, annual bluegrass was poorly controlled with treatments made in June. Fall (August or September) applications of benefin [N -butyl-N-ethyl-α,α,α -trifluoro-2,6-dinitro-p-toluidine], prosulfalin N-[[4-(dipropylamino)-3, 5-dinitrophenyl]sulfonyl]-S,S-dimethylsulfilimine and butralin [4-(1,1-dimethylethyl- N-(1-methylpropyl)-2,6-dinitrobenzenamine] provided adequate control of annual bluegrass with only a few exceptions during the three-year period. Bensulide [O,O-diisopropyl phosphorodithioate S-ester with N-(2-mercaptoethyl)benzenesulfonamide] gave variable control of annual bluegrass; however, this was improved in programs with oxadiazon which provide goosegrass control during summer. In these studies, DCPA [dimethyl tetrachloroterephthalate], even with three applications a year, gave very little control of annual bluegrass. When oxadiazon was used in rotation with DCPA, adequate control was obtained." |
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| Language: | English |
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| References: | 11 |
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| See Also: | Other items relating to: POA |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bingham, S. W., and R. L. Shaver. 1979. Effectiveness of herbicide programs for annual bluegrass (Poa annua) control in bermudagrass (Cynodon dactylon). Weed Sci. 27(4):p. 367-370. |
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| Web URL(s):
http://www.jstor.org/stable/4043185
Last checked: 04/28/2014
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/4043185.pdf
Last checked: 05/02/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: SB 610 .W38 |
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