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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2001.91.6.S1#page=92
Last checked: 10/16/2015
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Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Viji, G.;
Uddin, W. |
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| Author Affiliation: | Department of Plant Pathology, The Pennsylvania State University, University Park, PA |
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| Title: | Biocontrol of gray leaf spot (blast) of perennial ryegrass by Bacillus lentimorbus |
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| Meeting Info.: | 2001 APS/MSA/SON Joint Meeting, Salt Lake City, Utah: August 25-29, 2001 |
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| Source: | Phytopathology. Vol. 91, No. 6, June Supplement 2001, p. S92. |
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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: Biological control; Gray leaf spot; Lolium perenne; Bacillus lentimorbus; Pyricularia grisea; Festuca arundinacea; Oryza sativa; Drechslera poae; Sclerotinia homoeocarpa; Rhizoctonia solani; Rhizoctonia cerealis; Colletotrichum graminicola; Microdochium nivale; Application timing; Disease severity; Disease development
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| Abstract/Contents: | "An isolate of Bacillus lentimorbus from turfgrass rhizosphere was evaluated for biocontrol of Pyricularia grisea, the causal agent of gray leaf spot of perennial ryegrass (PR). In dual plate assays, the antagonist inhibited mycelial growth of P.grisea isolates from PR, tall fescue and rice. Additionally, the antagonist inhibited the growth of Drechslera poae, Sclerotinia homoeocarpa, Rhizoctonia solani, R. cerealis, Colletotrichum graminicola, and Microdochium nivale. In growth chamber experiments, the bacterium was applied as foliar sprays (108 cfu/ml 0.1% carboxymethylcellulose) at 1, 7, 14 and 1+7+14 days prior to inoculation of PR plants with P. grisea. Effects of timing of application on disease severity (DS) and disease incidence (DI) were significant (alpha=0.05). In another experiment, effects of application intervals at 1, 10, 20 and 1+10+20 days on DS and DI were also significant. In field greenhouse studies, control of GLS by the antagonist was comparable to propiconazole when applied at 1, 7, 14, and 1+7+14-day intervals. This study suggests that B. lentimorbus may be a potential biocontrol agent for gray leaf spot of PR." |
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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):
Viji, G., and W. Uddin. 2001. Biocontrol of gray leaf spot (blast) of perennial ryegrass by Bacillus lentimorbus. Phytopathology. 91(6):p. S92. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2001.91.6.S1#page=92
Last checked: 10/16/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 599 .P48 |
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