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Web URL(s): | http://www.sciencedirect.com/science/article/pii/0261219494900922 Last checked: 10/01/2015 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Yuen, Gary Y.;
Giesler, Loren J.;
Horst, Garald L. |
Author Affiliation: | Yuen & Giesler: Department of Plant Pathology, University of Nebraska, Lincoln, NE 68583-0722, USA. Horst: Department of Horticulture, University of Nebraska |
Title: | Influence of canopy structure on tall fescue cultivar susceptibility to brown patch disease |
Section: | Papers Other records with the "Papers" Section
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Source: | Crop Protection. Vol. 13, No. 6, September 1994, p. 439-442. |
Publishing Information: | Oxford, UK: Butterworth-Heinemann |
# of Pages: | 4 |
Keywords: | TIC Keywords: Festuca arundinacea; Brown patch; Cultivar susceptibility; Verdure; Shoot density; Canopy
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Abstract/Contents: | "Tall fescue (Festuca aurundinacea) cultivars were evaluated under growth chamber and field conditions for susceptibility to brown patch disease caused by Rhizoctonia solani. Percentage of foliar necrosis varied among cultivars in growth chamber experiments. Kentucky-31 was the least susceptible cultivar (cv.), sustaining <25% necrosis 6 days after inoculation with the pathogen. Severity of necrosis in other cvs under the same conditions was as high as 88%. Brown patch disease development in the field was lowest in cv. Kentucky-31 among nine cvs evaluated over two years. Average blight severity in cv. Kentucky-31 in 1991 was 34%, compared with 60% in the most susceptible cv., Trailblazer. Similarly in 1992, cvs Kentucky-31 and Trailblazer had the lowest and highest levels, respectively, of brown patch lesion development. Leaf blade density and verdure in the field varied among the cvs. Blade density and verdure correlated (r = 0.78 and 0.68, respectively; p < 0.05) with the extent of lesions measured in 1992, but were not related to mean blight severity measured in 1991. Field disease levels observed in both years had low correlations (r = 0.59; p = 0.10) with levels of necrosis measured in the growth chamber." |
Language: | English |
References: | 9 |
Note: | See also R=37510 Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Yuen, G. Y., L. J. Giesler, and G. L. Horst. 1994. Influence of canopy structure on tall fescue cultivar susceptibility to brown patch disease. Crop Prot. 13(6):p. 439-442. |
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| Web URL(s): http://www.sciencedirect.com/science/article/pii/0261219494900922 Last checked: 10/01/2015 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: SB 950 .A1 C77 |
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