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| Web URL(s): | https://archive.lib.msu.edu/tic/its/articles/2005jou156.pdf
Last checked: 09/29/2008
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| Publication Type:
| Refereed |
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| Author(s): | Brede, A. Douglas |
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| Author Affiliation: | Research Department, Simplot, Post Falls, Idaho |
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| Title: | Necrotic ring spot and turf quality as affected by Kentucky bluegrass cultivar and species mixtures |
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| Section: | Diseases (plant pathology)
Other records with the "Diseases (plant pathology)" Section
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| Meeting Info.: | Llandudno, Wales, UK: July 10-15 2005 |
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| Source: | International Turfgrass Society Research Journal. Vol. 10, No. Part 1, 2005, p. 156-162. |
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| Publishing Information: | Aberystywth, Ceredigion, UK: International Turfgrass Society |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Necrotic ring spot; Turfgrass quality; Poa pratensis; Ophiosphaerella korrae; Polystand; Genetic resistance; Variety trials; Disease control; Disease susceptibility; Lolium perenne; Festuca arundinacea; Festuca ovina subsp. ovina; Cultivars; Disease resistance
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| Abstract/Contents: | "Genetic resistance offers one possible control for necrotic ring spot (Ophiosphaerella korrae (J. Walker & A. M. Smith) Shoemaker & Babcock) of Kentucky bluegrass (Poa pratensis L.) turf. In this experiment, 30 bluegrass cultivars were field tested in monocultures and mixtures with perennial ryegrass (Lolium perenne L.), sheep fescue (Festuca ovina L.), or tall fescue (F. arundinacea Schreb.) to determine necrotic ring spot (NRS) response, species persistence, and turf quality. Plant populations after 8 yr varied from 3% ryegrass in mixtures with 'Apex' Kentucky bluegrass to 48 to 50% ryegrass with 'Aspen,' 'Liberty,' and 'Suffolk;' tall fescue populations varied from 0% with Apex to 38% with 'Fylking.' Sheep fescue did not persist. 'Adelphi,' Apex, 'Eclipse,' 'Kelly,' 'NuBlue,' 'Nugget,' 'NuStar,' and 'Wabash' Kentucky bluegrass were NRS resistant. The bluegrass cultivar x mixture treatment interaction was non-significant for NRS, indicating no synergism from combining bluegrass genetic resistance with resistance from another grass species, only a simple additive effect. When the four most NRS-susceptible bluegrass cultivars (Aspen, 'Cheri,' 'Julia,' and 'Limousine') were analyzed as a group, the addition of perennial ryegrass reduced NRS plot coverage 24%; addition of tall fescue reduced NRS 22%. Resistant Kentucky bluegrass cultivars combined with interspecific mixtures are recommended in regions where NRS is a problem." |
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| Language: | English |
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| References: | 19 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Brede, A. D. 2005. Necrotic ring spot and turf quality as affected by Kentucky bluegrass cultivar and species mixtures. Int. Turfgrass Soc. Res. J. 10(Part 1):p. 156-162. |
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| Web URL(s):
https://archive.lib.msu.edu/tic/its/articles/2005jou156.pdf
Last checked: 09/29/2008
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MSU catalog number: SB 433 .I52 v. 10 |
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