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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2010.100.6.S1#page=91
Last checked: 11/24/2010
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Obasa, K.;
Kennelly, M. |
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| Author Affiliation: | Kansas State University, Manhattan, KS |
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| Title: | Evaluation of 15 new zoysiagrass lines for resistance to large patch disease cause by Rhizoctonia solani AG 2-2 LP |
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| Section: | 2010 APS Annual Meeting abstracts of presentations
Other records with the "2010 APS Annual Meeting abstracts of presentations" Section
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| Source: | Phytopathology. Vol. 100, No. 65, June supplement 2010, p. S91. |
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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: Disease resistance; Evaluative methods; Rhizoctonia blight; Rhizoctonia solani; Zoysia
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| Abstract/Contents: | "Fifteen new zoysiagrass lines were evaluated for resistance to large patch disease caused by Rhizoctonia solani AG 2-2 LP under growth chamber and field conditions in 2009. Field plots measured 5 O 5 ft and were arranged in a randomized complete block design (RCB) with three replicates. Plots were maintained at a mowing height of 0.56 inches and fertilized in May with 1 lb and July and August with 0.75 lb nitrogen per 1000 ft2 respectively using plain urea. The center of each plot was inoculated with R. solani-infested oat kernels in September of 2008. Large patch development in each plot was assessed through patch size measurement and digital image analysis. Growth chamber evaluations consisted of fifteen small plastic pots of each new line and the standard cultivar 'Meyer' inoculated with 8 to 10 R. solani-infested oat kernels and maintained at 25?C and >95% relative humidity under a 13 h photoperiod. At 5-day intervals, three pots of each line and Meyer were removed and rated individually for disease incidence by determining the percentage of shoots with distinct water-soaked lesions on the leaf sheath. No single line offered consistently better disease resistance than Meyer under both experimental conditions. However, five lines 5313-46, 5313-71, 5321- 18, 5313-34 and 5325-11 had recovery rates from the disease that were comparable to Meyer." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Obasa, K., and M. Kennelly. 2010. Evaluation of 15 new zoysiagrass lines for resistance to large patch disease cause by Rhizoctonia solani AG 2-2 LP. Phytopathology. 100(65):p. S91. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2010.100.6.S1#page=91
Last checked: 11/24/2010
Requires: PDF Reader |
| 
MSU catalog number: b2219736a |
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Digitally in TIC by file name: phytp2010junpres |
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