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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2001.91.6.S147#page=11
Last checked: 10/16/2015
Requires: PDF Reader
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): | Turechek, W. W.;
Madden, L. V. |
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| Author Affiliation: | Turechek: Cornell University, Geneva, NY; Madden: The Ohio State University, Wooster, OH |
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| Title: | Effect of scale on plant disease incidence and heterogeneity in a spatial hierarchy |
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| Section: | Spatial and temporal scaling in epidemiology and crop loss research
Other records with the "Spatial and temporal scaling in epidemiology and crop loss research" Section
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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. S157. |
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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 development; Disease identification; Leaves; Leaf tissue; Leaf orientation; Leaf sheath; Spacing; Leaf blight
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| Abstract/Contents: | "Monte-Carlo simulation was used to study the effect of scale on disease incidence and heterogeneity in a 3-scaled spatial hierarchy, i.e., leaflet, leaf, and sampling unit. Results showed that incidence and heterogeneity of disease at the leaflet scale had the largest effects on incidence and heterogeneity of disease at the leaf scale. However, at a fixed level of incidence and heterogeneity at the leaflet scale, spatial arrangement of diseased leaflets among leaves within sampling units, sampling-unit size, leaf complexity (leaflets per leaf), and all interactions affected disease incidence and heterogeneity at the leaf scale. Incidence and heterogeneity of disease at the leaf scale were most affected by sampling-unit size when diseased leaflets were maximally aggregated within sampling units; increasing the number of leaves per sampling unit was associated with decreasing incidence and increasing heterogeneity at the leaf scale. Analysis of Phomopsis leaf blight data sets indicated that incidence and heterogeneity of incidence varied predictably between scales." |
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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):
Turechek, W. W., and L. V. Madden. 2001. Effect of scale on plant disease incidence and heterogeneity in a spatial hierarchy. Phytopathology. 91(6):p. S157. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2001.91.6.S147#page=11
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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