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|a 10.1094/PDIS-04-10-0256
|2 doi
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|a eng
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|a Mirik, M
|e verfasserin
|4 aut
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|a Satellite Remote Sensing of Wheat Infected by Wheat streak mosaic virus
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|c 2011
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|a Text
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|a ƒaComputermedien
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|a Date Revised 20.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The prevalence of wheat streak mosaic, caused by Wheat streak mosaic virus, was assessed using Landsat 5 Thematic Mapper (TM) images in two counties of the Texas Panhandle during the 2005-2006 and 2007-2008 crop years. In both crop years, wheat streak mosaic was widely distributed in the counties studied. Healthy and diseased wheat were separated on the images using the maximum likelihood classifier. The overall classification accuracies were between 89.47 and 99.07% for disease detection when compared to "ground truth" field observations. Omission errors (i.e., pixels incorrectly excluded from a particular class and assigned to other classes) varied between 0 and 12.50%. Commission errors (i.e., pixels incorrectly assigned to a particular class that actually belong to other classes) ranged from 0 to 23.81%. There were substantial differences between planted wheat acreage reported by the United States Department of Agriculture-National Agricultural Statistics Service (USDA-NASS) and that detected by image analyses. However, harvested wheat acreage reported by USDA-NASS and that detected by image classifications were closely matched. These results indicate that the TM image can be used to accurately detect and quantify incidence of wheat streak mosaic over large areas. This method appears to be one of the best currently available for identification and mapping disease incidence over large and remote areas by offering a repeatable, inexpensive, and synoptic strategy during the course of a growing season
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|a Journal Article
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|a Jones, D C
|e verfasserin
|4 aut
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1 |
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|a Price, J A
|e verfasserin
|4 aut
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| 700 |
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|a Workneh, F
|e verfasserin
|4 aut
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| 700 |
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|a Ansley, R J
|e verfasserin
|4 aut
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| 700 |
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|a Rush, C M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
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|g 95(2011), 1 vom: 31. Jan., Seite 4-12
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|g volume:95
|g year:2011
|g number:1
|g day:31
|g month:01
|g pages:4-12
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|u http://dx.doi.org/10.1094/PDIS-04-10-0256
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