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| DOI: | 10.1111/j.1365-3180.2009.00710.x |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00710.x/full
Last checked: 01/31/2014
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00710.x/pdf
Last checked: 01/31/2014
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| Publication Type:
| Refereed |
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| Author(s): | Sherwood, A. M.;
Jasieniuk, M. |
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| Author Affiliation: | Graduate Group, Plant Biology and Department of Plant Sciences, University of Claifornia, Davis, California |
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| Title: | Molecular identification of weedy glyphosate-resistant Lolium (Poaceae) in California |
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| Section: | Research Papers
Other records with the "Research Papers" Section
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| Source: | Weed Research. Vol. 49, No. 4, August 2009, p. 354-364. |
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| Publishing Information: | Oxford: Blackwell Scientific Publications |
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| # of Pages: | 11 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00710.x/abstract
Last checked: 01/31/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Glyphosate; Herbicide resistance; Lolium multiflorum; Lolium perenne; Lolium rigidum; Molecular biology; Molecular markers; Simple sequence repeats; Species identification
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| Abstract/Contents: | "The origins of invasive weed populations can involve multiple species, introductions and genotypes. In California, USA, self-incompatible (SI) Lolium species are highly successful agricultural weeds. During the last decade, resistance to glyphosate has evolved in California populations of Lolium. However, the species identity of glyphosate-resistant populations is unclear. Occurrence of three SI species, L. multiflorum, L. rigidum and L. perenne, and the lack of reproductive barriers between them, suggests that any or all species may be contributing to resistant populations. To elucidate the identity and evolutionary history of resistant Lolium, we assessed genetic variation of known species and unknown California individuals using five simple sequence repeat loci, a nuclear DNA sequence and a chloroplast DNA sequence. Employing two analytical approaches, we identified three major genetic groups within the accessions of SI species that were similar, but not identical, to the taxonomic species identities. California glyphosate-resistant and susceptible plants were most closely related to the L. multiflorum group. However, a few glyphosate-resistant plants and a third of the glyphosate-susceptible plants also identified with L. rigidum and L. perenne. While L. rigidum and L. perenne contribute to invasive populations within California, the majority of glyphosate-resistant individuals tested were L. multiflorum." |
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| Language: | English |
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| References: | 43 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sherwood, A. M., and M. Jasieniuk. 2009. Molecular identification of weedy glyphosate-resistant Lolium (Poaceae) in California. Weed Res. 49(4):p. 354-364. |
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| DOI: 10.1111/j.1365-3180.2009.00710.x |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00710.x/full
Last checked: 01/31/2014
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.2009.00710.x/pdf
Last checked: 01/31/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2221093 |
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