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| Web URL(s): | http://www.jstor.org/stable/info/4041443
Last checked: 04/23/2014
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http://www.jstor.org/stable/pdfplus/4041443.pdf
Last checked: 04/22/2014
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| Publication Type:
| Refereed |
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| Author(s): | Smith, G. S.;
Callahan, L. M. |
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| Author Affiliation: | Smith: Reseach Fellow, Soils, University of Florida; Callahan: Assistant Professor of Agronomy, University of Tennessee, Knoxville, Tennessee |
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| Title: | The response of Kentucky bluegrass to soil residues of preemergence herbicides |
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| Source: | Weed Science. Vol. 17, No. 1, January 1969, p. 13-15. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| # of Pages: | 3 |
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| Related Web URL: | http://www.jstor.org/stable/info/4041443#abstract
Last checked: 04/23/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Poa pratensis; Herbicides
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| Abstract/Contents: | "Common Kentucky bluegrass (Poa pratensis L.) sod-plugs were grown in the greenhouse in soil freshly treated with 11 herbicides and in soil collected from the 0 to 2 and 2 to 4-inch depths of field plots treated 10 months earlier with the same herbicides. Fresh herbicide treatments reduced significantly the root regrowth of the bluegrass plants. The 12-lb/A rate of the fresh application of 1-(2-methylcyclohexyl)-3-phenylurea (siduron) caused the least chemical inhibition of root regrowth. The most phytotoxic fresh applications were 2-chloro-4-ethylamino-6-isopropylamino-s-triazine (atrazine) and 2-chloro-4,6-bis(ethylamino)-s-triazine (simazine), both killing the bluegrass plants at the 4 lb/A rate. Root regrowth of bluegrass grown in the herbicide residue samples was significantly reduced for all treatments. Herbicides which tended to persist in the 0 to 2-inch soil level and were most phytotoxic to root regrowth were simazine, polychlorodicyclopentadiene isomers (hereinafter referred to as bandane), N-(2-mercaptoethyl)-benzenesulfonamide S-(O,O-diisopropyl phosphorodithioate) (bensulide), and 2,6-di-tert-butyl-p-tolyl-methylcarbamate (terbutol). Those herbicides which tended to leach into the 2 to 4-inch soil level and cause the greatest reduction of root regrowth were N-butyl-N-ethyl-alpha, alpha, alpha-trifluoro-2,6-dinitro-p-toluidine (benefin), α,α,α-trifluoro-2,6-dinitro-N, N-dipropyl-p-toluidine (trifluralin), atrazine, and O-(2,4-dichlorophenyl) O-methyl isopropylphosphoramidothioate (DMPA). Herbicides which tended to leach uniformly throughout the 0 to 2 and 2 to 4-inch soil layers were siduron, an equal mixture of 1,1-dimethyl-4,6-diisopropyl-5-indanyl ethyl ketone and 1,1-dimethyl-4,6-diisopropyl-7-indanyl ethyl ketone (hereinafter referred to as sindone), and dimethyl 2,3,5,6-tetra-chloroterephthalate (DCPA). |
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| Language: | English |
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| References: | 8 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Smith, G. S., and L. M. Callahan. 1969. The response of Kentucky bluegrass to soil residues of preemergence herbicides. Weed Sci. 17(1):p. 13-15. |
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| Web URL(s):
http://www.jstor.org/stable/info/4041443
Last checked: 04/23/2014
Access conditions: Item is within a limited-access website
http://www.jstor.org/stable/pdfplus/4041443.pdf
Last checked: 04/22/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: SB 610 .W38 |
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