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| Web URL(s): | http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t59.asp
Last checked: 07/10/2013
Access conditions: Item is within a limited-access website
Notes: Report Summary
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T059.pdf
Last checked: 11/11/2016
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): | Baldwin, C. M. |
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| Author Affiliation: | Jacklin Seed, Simplot, Post Falls, Idaho |
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| Title: | Creeping bentgrass cultivar response to take-all patch disease, 2008 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T059. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Cultivar evaluation; Cultivar susceptibility; Disease susceptibility; Gaeumannomyces graminis var. avenae; Take-all patch
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| Abstract/Contents: | "The objective of this research was to determine the variation of creeping bentgrass cultivars to take-all patch. Eighteen creeping bentgrass cultivars were seeded in 07 Jun at a rate of 1 lb per 1,000 sq ft in Post Falls, ID and maintained as a putting green. The experimental design was a split plot design with four replications of all treatments. Creeping bentgrass cultivars were arranged in a randomized complete block design, while mowing height (0.100-, 0.125-, and 0.156-in. five days a week) was the split factor. In 2008, all 12 ft by 12 ft plots received 3 lb N per 1,000 sq ft (1.5 lb N in May and 1.5 lb N in Sep). No fungicides or insecticides were applied, and plots were irrigated to prevent wilt. The total number of disease infection centers per plot was counted on 23 08 Sep. Also, the severity of infection centers was evaluated on the same date using a scale from 1 to 5, (with 5 = the most severe disease). Severity ratings were based on the average severity of all disease infection centers in each plot. Analysis of variance was performed followed by means separation using Fisher's protected least significant difference test with Α = 0.05. Mowing height did not influence take-all patch outbreaks; therefore, number of infection centers and severity were pooled across each mowing height. No statistical differences were noted regarding total number of infection centers amongst cultivars. Regarding severity, Alpha, Declaration, Penn A-1, Penn G-2, Penn G-6, Penncross, T-1, and Tyee all had severity ratings < 2.0. This indicates take-all patch symptoms were present; however, cultivars appeared likely to fully recover from the noted slight brown discoloration. On the other hand, Mackenzie (3.3) and Shark (3.8) showed symptoms of moderate to complete brown, dead leaf tissue. It is likely that the take-all patch infection centers in these cultivars will persist, leaving brown, unsightly voids on the turfgrass surface. This is problematic because opportunistic weeds, like annual bluegrass (Poa annua), can quickly invade bare areas. This research shows that diversity does exist regarding take-all patch tolerance in creeping bentgrass putting green cultivars." |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Baldwin, C. M. 2009. Creeping bentgrass cultivar response to take-all patch disease, 2008. PDMR: Plant Dis. Manage. Rep. 3:p. T059. |
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| Web URL(s):
http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t59.asp
Last checked: 07/10/2013
Access conditions: Item is within a limited-access website
Notes: Report Summary
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T059.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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