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| DOI: | 10.1614/WS-D-16-00067.1 |
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| Web URL(s): | http://www.bioone.org/doi/full/10.1614/WS-D-16-00067.1
Last checked: 02/17/2017
Access conditions: Item is within a limited-access website
http://www.bioone.org/doi/pdf/10.1614/WS-D-16-00067.1
Last checked: 02/17/2017
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| Publication Type:
| Refereed |
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| Author(s): | McCullough, Patrick E.;
Yu, Jialin;
Czarnota, Mark A. |
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| Author Affiliation: | McCullough and Yu: Associate Professor and Postdoctoral Researcher, Crop and Soil Sciences Department, University of Georgia, Griffin, GA; Czarnota: Associate Professor, Department of Horticulture, University of Georgia, Griffin, GA |
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| Title: | First report of pronamide-resistant annual bluegrass (Poa annua) |
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| Section: | Physiology/Chemistry/Biochemistry
Other records with the "Physiology/Chemistry/Biochemistry" Section
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| Source: | Weed Science. Vol. 65, No. 1, January/February 2017, p. 9-18. |
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| Publishing Information: | Champaign, Illinois: Weed Science Society of America |
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| # of Pages: | 10 |
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| Related Web URL: | http://www.bioone.org/doi/abs/10.1614/WS-D-16-00067.1
Last checked: 02/17/2017
Notes: Abstract only |
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| Keywords: | TIC Keywords: Absorption rate; Evaluations; Genotypes; Herbicide resistance; Poa annua; Pronamide
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| Abstract/Contents: | "A biotype of annual bluegrass with suspected resistance to pronamide was collected from a golf course in Georgia. The objectives of this research were to determine the level of resistance to pronamide and the mechanisms associated with resistance. From POST applications, the pronamide rate that reduced shoot biomass 50% from the nontreated bluegrass measured >10 times higher for the resistant (R) biotype as compared with susceptible (S) biotypes. The R biotype was not controlled by PRE applications of dithiopyr or prodiamine, but was controlled >92% by PRE applications of pronamide at 0.56 and 1.68 kg ha-1. Mature plants (3- to 5-tiller) of the R biotype absorbed 32% less [14C]pronamide than the S biotype after 72 h in hydroponic culture and accumulated 39% less radioactivity per gram basis of dry shoot mass. The R biotype metabolized [14C]pronamide similar to the S biotype, averaging 16% of the extracted radioactivity. The resistance to POST pronamide applications in the R biotype is associated with reduced absorption and translocation compared with the S biotype." |
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| Language: | English |
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| References: | 48 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCullough, P. E., J. Yu, and M. A. Czarnota. 2017. First report of pronamide-resistant annual bluegrass (Poa annua). Weed Sci. 65(1):p. 9-18. |
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| DOI: 10.1614/WS-D-16-00067.1 |
| Web URL(s):
http://www.bioone.org/doi/full/10.1614/WS-D-16-00067.1
Last checked: 02/17/2017
Access conditions: Item is within a limited-access website
http://www.bioone.org/doi/pdf/10.1614/WS-D-16-00067.1
Last checked: 02/17/2017
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2203399a |
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