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| DOI: | 10.1111/j.1439-0523.1999.tb01568.x |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1046/j.1439-0523.1999.00415.x/pdf
Last checked: 01/31/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Report |
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| Author(s): | Oertel, C.;
Matzk, F. |
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| Author Affiliation: | Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK), Gatersleben, Germany |
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| Title: | Introgression of crown rust resistance from Festuca spp. into Lolium multiflorum |
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| Source: | Plant Breeding. Vol. 118, No. 6, December 1999, p. 491-496. |
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| Publishing Information: | Berlin: P. Parey |
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| # of Pages: | 6 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1046/j.1439-0523.1999.00415.x/abstract
Last checked: 01/31/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Disease resistance; Festuca arundinacea; Festuca pratensis; Lolium multiflorum; Lolium perenne; Puccinia coronata var. coronata
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| Abstract/Contents: | "Crown rust, Puccinia coronata Corda, causes one of the most damaging foliar diseases in Italian ryegrass, Lolium multiflorum Lam. For introgression of crown rust resistance, highly resistant hybrids of the crosses Festuca arundinacea (2n = 6x = 42) ŒL. Multiflorum (2n = 4x = 28) and reciprocally, L. Multiflorum (2n = 2x = 14) ŒFestuca pratensis (2n = 4x = 28) and subsequently resistant recombinant individuals were used as female parents and susceptible cultivars of Italian ryegrass as male parents in three successive backcrosses. The BC3 plants were selfed and crossed mutually. Uredospores of seven different crown rust isolates collected from plants of L. multiflorum, Lolium perenne, F. pratensis, F. arundinacea and L. Multiflorum Œ F. Pratensis hybrids were applied to identify the resistance or susceptibility of the parental species, backcrossed, selfed and intercrossed progenies. The various crown rust populations revealed a species-specific capability to infect plants of the Lolium-Festuca complex corresponding to the host species from which the spores originated. Selected BC9 plants, however, were found to be completely resistant to all crown rust populations tested. Successful introgression of the resistance was achieved from F. Arundinacea as well as from F. Pratensis. The resistance represents a dominant character, apparently based on a strong heterologous incompatibility between host and pathogen. In phenotype, bivalent formation during meiosis and in fertility, the novel germplasms are comparable with the L. Multiflorum cultivars." |
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| Language: | English |
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| References: | 19 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Oertel, C., and F. Matzk. 1999. Introgression of crown rust resistance from Festuca spp. into Lolium multiflorum. Plant Breed. 118(6):p. 491-496. |
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| DOI: 10.1111/j.1439-0523.1999.tb01568.x |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1046/j.1439-0523.1999.00415.x/pdf
Last checked: 01/31/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: SB 119 .A1 Z4 |
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