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| Web URL(s): | http://www.bioone.org/perlserv/?request=get-document&doi=10.1043%2F0043-1745%282006%2954%5B212%3AIOGRIS%5D2.0.CO%3B2
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http://www.bioone.org/doi/pdf/10.1043/0043-1745%282006%2954%5B212%3AIOGRIS%5D2.0.CO%3B2
Last checked: 03/15/2010
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| Publication Type:
| Refereed |
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| Author(s): | Wakelin, Angela M.;
Preston, Christopher |
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| Author Affiliation: | School of Agriculture and Wine, The University of Adelaide, Glen Osmond, South Australia, Australia |
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| Title: | Inheritance of glyphosate resistance in several populations of rigid ryegrass (Lolium rigidum) from Australia |
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| Section: | Physiology, chemistry, and biochemistry
Other records with the "Physiology, chemistry, and biochemistry" Section
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| Source: | Weed Science. Vol. 54, No. 2, March/April 2006, p. 212-219. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| # of Pages: | 8 |
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| Keywords: | TIC Keywords: Lolium rigidum; Glyphosate; Herbicide resistance; Comparisons; Crossing; Backcrossing; Breeding aims; Selective advantage; Inheritance
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| Geographic Terms: | Australia |
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| Abstract/Contents: | "In Australia, glyphosate resistance has been observed in rigid ryegrass in several states including New South Wales (NSW) and South Australia (SA). Several populations of glyphosate-resistant rigid ryegrass were analyzed for the inheritance of glyphosate resistance. Eight glyphosate-resistant populations were crossed to the same susceptible population to create first filial generation (F1) families. Individuals from the F1 families were subsequently treated with glyphosate. The response to glyphosate of F1 families from all eight crosses was more similar to the resistant parent than the susceptible parent. Within crosses, dose responses of reciprocal F1 families were not significantly different from each other, indicating glyphosate resistance is encoded on the nuclear genome in all eight populations. The level of dominance observed in dose-response experiments ranged from partial to total within the herbicide doses tested. F1 individuals from five of the populations were crossed with susceptible (S) individuals to create backcross (BC) populations. Most of the families from these BC populations segregated in a manner consistent with a single gene controlling glyphosate resistance. These results indicate that resistance is inherited as a single dominant allele in four out of the five glyphosate-resistant rigid ryegrass populations. Such information is vital in the development of management strategies for glyphosate resistance in Australia." |
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| Language: | English |
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| References: | 38 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wakelin, A. M., and C. Preston. 2006. Inheritance of glyphosate resistance in several populations of rigid ryegrass (Lolium rigidum) from Australia. Weed Sci. 54(2):p. 212-219. |
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| Web URL(s):
http://www.bioone.org/perlserv/?request=get-document&doi=10.1043%2F0043-1745%282006%2954%5B212%3AIOGRIS%5D2.0.CO%3B2
Last checked: 03/02/2007
Access conditions: Item is within a limited- access website
http://www.bioone.org/doi/pdf/10.1043/0043-1745%282006%2954%5B212%3AIOGRIS%5D2.0.CO%3B2
Last checked: 03/15/2010
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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