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| Web URL(s): | http://www.bioone.org/bioone/?request=get-document&issn=0043-1745&volume=051&issue=01&page=0004
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): | Preston, Christopher |
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| Author Affiliation: | CRC, Australian Weed Management, Department of Applied and Molecular Ecology, University of Adelaide, Glen Osmond, Australia |
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| Title: | Inheritance and linkage of metabolism-based herbicide cross-resistance in rigid ryegrass (Lolium rididum) |
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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. 51, No. 1, January/February 2003, p. 4-12. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| # of Pages: | 9 |
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| Keywords: | TIC Keywords: Inheritance; Herbicide resistance; Lolium rigidum; Traits; Genes; Simazine; Chlorsulfuron; Genetics
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| Abstract/Contents: | "The inheritance and linkage of enhanced metabolism-based herbicide cross-resistance was examined in a multiple resistant population of rigid ryegrass. F1 hybrids between resistant and susceptible populations showed an intermediate response to all the four herbicides tested, with no indication of maternal inheritance. Segregation of F2 families fitted a single-gene model for resistance to simazine, chlorotoluron, and chlorsulfuron. But there was more than the expected morality from the low dose of tralkoxydim. Segregating F2 populations were selected by high rates of each of the four herbicides to create selected F2 families. Analysis of the response of these families demonstrated that simazine resistance is linked to chlorotoluron resistance. No other herbicide resistances were linked. Therefore, in this population of rigid ryegrass, at least three separate genes are responsible for metabolism-based cross-resisitance. This study shows that multiple herbicide resistance in rigid ryegrass is the result of accumulation of a number of different resistance genes." |
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| Language: | English |
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| References: | 25, 6 Notes |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Preston, C. 2003. Inheritance and linkage of metabolism-based herbicide cross-resistance in rigid ryegrass (Lolium rididum). Weed Sci. 51(1):p. 4-12. |
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| Web URL(s):
http://www.bioone.org/bioone/?request=get-document&issn=0043-1745&volume=051&issue=01&page=0004
Last checked: 11/2005
Access conditions: Item is within a limited access website |
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MSU catalog number: SB 610 .W38 |
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