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United States Department of Agriculture

Agricultural Research Service

Reginald S. Fletcher

Research Agronomist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Early detection of crop injury from herbicide glyphosate by leaf biochemical parameter inversion - (Peer Reviewed Journal)
Zhao, F., Guo, Y., Huang, Y., Reddy, K.N., Lee, M.A., Fletcher, R.S., Thomson, S.J., Zhao, H. 2014. Early detection of crop injury from herbicide glyphosate by leaf biochemical parameter inversion. International Journal of Applied Earth Observation and Geoinformation. 31:78-85.
Early detection of crop injury from glyphosate on soybean and cotton using plant leaf hyperspectral data - (Peer Reviewed Journal)
Zhao, F., Huang, Y., Gao, Y., Reddy, K.N., Lee, M.A., Fletcher, R.S., Thomson, S.J. 2014. Early detection of crop injury from glyphosate on soybean and cotton using plant leaf hyperspectral data. Remote Sensing. 6:1538-1563.
Employing broadband spectra and cluster analysis to assess thermal defoliation of cotton Reprint Icon - (Peer Reviewed Journal)
Fletcher, R.S., Showler, A., Funk, P.A. 2014. Employing broadband spectra and cluster analysis to assess thermal defoliation of cotton. Computers and Electronics in Agriculture. 105:103-110.
Evaluating airborne hyperspectral imagery for mapping saltcedar infestations in west Texas - (Peer Reviewed Journal)
Yang, C., Everitt, J.H., Fletcher, R.S. 2013. Evaluating airborne hyperspectral imagery for mapping saltcedar infestations in west Texas. Journal of Applied Remote Sensing (JARS). 7(1):073556 (May 29, 2013). doi: 10.1117/1.JRS.7.073556.
Applying broadband spectra to assess biological control of saltcedar in West Texas - (Peer Reviewed Journal)
Fletcher, R.S. 2014. Applying broadband spectra to assess biological control of saltcedar in West Texas. Geocarto International. 29(4):383-399.
Employing spatial information technologies to monitor biological control of saltcedar in West Texas - (Peer Reviewed Journal)
Fletcher, R.S. 2014. Employing spatial information technologies to monitor biological control of saltcedar in West Texas. Geocarto International. 29(3):332-347.
Mapping invasive weeds and their control with spatial information technologies - (Abstract Only) - (19-Sep-11)
Employing airborne multispectral digital imagery to map Brazilian pepper infestation in south Texas. - (Peer Reviewed Journal)
Fletcher, R.S., Everitt, J.H., Yang, C. 2011. Employing airborne multispectral digital imagery to map Brazilian pepper infestation in south Texas. Geocarto International. 26(7):527-536.
Identifying saltcedar with hyperspectral data and support vector machines - (Peer Reviewed Journal)
Fletcher, R.S., Everitt, J.H., Yang, C. 2011. Identifying saltcedar with hyperspectral data and support vector machines. Geocarto International. 26(3):195-209.
Evaluating airborne multispectral digital video to differentiate giant Salvinia from other features in northeast Texas - (Peer Reviewed Journal)
Fletcher, R.S., Everitt, J.H., Elder, H. 2010. Evaluating airborne multispectral digital video to differentiate giant Salvinia from other features in northeast Texas. Remote Sensing. 2(10):2413-2423.
Using airborne hyperspectral imagery for mapping saltcedar infestations in west Texas - (Proceedings)
Yang, C., Everitt, J.H., Fletcher, R.S. 2010. Using airborne hyperspectral imagery for mapping saltcedar infestations in west Texas. American Society for Photogrammetry and Remote Sensing Proceedings. CDROM.
Applications of GIS to citriculture in south Texas - (Peer Reviewed Journal)
Fletcher, R.S. 2009. Applications of GIS to citriculture in south Texas. Journal of Applied Horticulture. 11(1):3-9.
Airborne Remote Sensing for Detection of Irrigation Canal Leakage Reprint Icon - (Peer Reviewed Journal)
Huang, Y., Fipps, G., Maas, S., Fletcher, R.S. 2009. Airborne Remote Sensing for Detection of Irrigation Canal Leakage. International Commission on Irrigation and Drainage Journal. 59(5):524-534.
A semiautomated approach for monitoring landscape changes in Texas seagrass beds from aerial photography. - (Peer Reviewed Journal)
Fletcher, R.S., Pulich, W.M., Hardegree, B. 2009. A semiautomated approach for monitoring landscape changes in Texas seagrass beds from aerial photography. Journal of Coastal Research. 25:500-506.
Mapping riparian and wetland weeds with high resolution satellite imagery - (Proceedings)
Everitt, J.H., Sriharan, S., Yang, C., Fletcher, R.S. 2008. Mapping riparian and wetland weeds with high resolution satellite imagery. Geoscience and Remote Sensing Symposium Proceedings. CDROM.
Evaluating AISA+ hyperspectral imagery for mapping black mangrove along the South Texas Gulf Coast - (Peer Reviewed Journal)
Yang, C., Everitt, J.H., Fletcher, R.S., Jensen, R.R., Mausel, P.W. 2009. Evaluating AISA+ hyperspectral imagery for mapping black mangrove along the South Texas Gulf Coast. Photogrammetric Engineering and Remote Sensing. 75(4):425-435.
Using High Resolution SPOT 5 Multispectral Imagery for Crop Identification - (Proceedings)
Yang, C., Everitt, J.H., Fletcher, R.S. 2008. Using high resolution SPOT 5 multispectral imagery for crop identification. ASABE Annual International Meeting. ASABE paper No. 08-3598.
Detecting Red Harvester Ant Mounds with Panchromatic Quickbird Imagery - (Peer Reviewed Journal)
Fletcher, R.S., Everitt, J.H., Drawe, L. 2007. Detecting red harvester ant mounds with panchromatic QuickBird Imagery. Journal of Applied Remote Sensing. 1:013556
A Mid-infrared Digital Electronic Camera System for Assessing Natural Resources - (Peer Reviewed Journal)
Fletcher, R.S., Bartels, D.W. 2007. A mid-infrared digital electronic camera system for assessing natural resources. Journal of Applied Remote Sensing. 1:013542.
Comparison of QuickBird and SPOT 5 Satellite Imagery for Mapping Giant Reed - (Peer Reviewed Journal)
Everitt, J.H., Yang, C., Fletcher, R.S., Deloach Jr, C.J. 2007. Comparison of QuickBird and SPOT 5 satellite imagery for mapping giant reed. Journal of Aquatic Plant Management. 46:77-82.
Mapping Brazilian Pepper Infestations in South Texas with Spatial Information Technologies - (Proceedings)
Fletcher, R.S., Everitt, J.H., Yang, C. 2008. Mapping Brazilian Pepper infestations in south Texas with spatial information technologies. Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment Proceedings. CDROM.
Mapping Black Mangrove Along the South Texas Gulf Coast Using AISA+ Hyperspectral Imagery - (Proceedings)
Yang, C., Everitt, J.H., Fletcher, R.S., Jensen, R.R., Mausel, P.W. 2007. Mapping black mangrove along the south texas gulf coast using AISA+ hyperspectral imagery. Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment Proceedings.
Mapping a Riparian Weed with SPOT 5 Imagery and Image Analysis - (Proceedings)
Everitt, J.H., Yang, C., Fletcher, R.S., Deloach Jr, C.J. 2008. Mapping a Riparian weed with SPOT 5 imagery and image analysis. Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment Proceedings. CDROM.
Mapping Invasive Aquatic and Wetland Weeds with Quickbird Satellite Imagery - (Proceedings)
Everitt, J.H., Yang, C., Fletcher, R.S., Deloach Jr, C.J. 2008. Mapping invasive aquatic and wetland weeds with QuickBird satellite imagery. Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment Proceedings. CDROM.
Mapping Giant Salvinia with Satellite Imagery and Image Analysis - (Peer Reviewed Journal)
Everitt, J.H., Fletcher, R.S., Elder, H., Yang, C. 2008. Mapping giant salvinia with satellite imagery and image analysis. Environmental Monitoring and Assessment. 139:35-40.
Surveying Thermally-Defoliated Cotton Plots with Color-Infrared Aerial Photography - (Peer Reviewed Journal)
Fletcher, R.S., Showler, A., Funk, P.A. 2007. Surveying thermally-defoliated cotton plots with color-infrared aerial photography. Crop Management [online]. Available: http://www.plantmanagementnetwork.org/cm/research/2007/thermal.
Using Remote Sensing to Assess Biological Control of Saltcedar - (Peer Reviewed Journal)
Everitt, J.H., Yang, C., Fletcher, R.S., Deloach, C.J., Davis, M.R. 2007. Using remote sensing to assess biological control of saltcedar. Southwestern Entomologist. 32(2):93-103.
Mapping Natural Vegetation on the Welder Wildlife Refuge with Quickbird Satellite Imagery - (Proceedings)
Everitt, J.H., Yang, C., Fletcher, R.S., Drawe, D. 2006. Mapping natural vegetation on the Welder Wildlife Refuge with QuickBird satellite imagery. In: Proceedings of the 20th Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment, Bethesda, Maryland. 2006 CDROM.
Cotton Harvest Preparation Using Thermal Energy - (Proceedings)
Funk, P.A., Armijo, C.B., Brashears, A.D., McAlister III, D.D., Showler, A., Fletcher, R.S. 2006. Cotton harvest preparation using thermal energy. LP Gas Global Technology Conference. 19th World LP Gas Forum, October 17-20, 2006, Chicago, IL. 2006 CDROM.
Spectral Analysis of Coastal Vegetation and Land Cover Using Aisa+hyperspectral Data - (Peer Reviewed Journal)
Jensen, R.R., Mausel, P.W., Dias, N., Gonser, R., Yang, C., Everitt, J.H., Fletcher, R.S. 2007. Spectral analysis of coastal vegetation and land cover using AISA + hyperspectral data. Geocarto International. 22(1):17-28.
Using High Resolution Quickbird Imagery for Crop Identification and Area Estimation - (Peer Reviewed Journal)
Yang, C., Everitt, J.H., Fletcher, R.S., Murden, D. 2007. Using high resolution QuickBird imagery for crop identification and area estimation. Geocarto International. 22(3):219-233.
Surveying kaolin-treated cotton plots with airborne multispectral digital video imagery - (Peer Reviewed Journal)
Fletcher, R.S., Showler, A.T. 2006. Surveying kaolin-treated cotton plots with airborne multispectral digital video imagery. Computers and Electronics in Agriculture. 54(1):1-7.
Using Remote Sensing to Assess Biological Control Damage of Two Invasive Plant Species - (Proceedings)
Everitt, J.H., Flores, D., Yang, C., Fletcher, R.S., Deloach Jr, C.J., Davis, M.R. 2006. Using remote sensing to assess biological control damage of two invasive plant species. Forest Service Remote Sensing Conference Proceedings. CDROM.
Cotton Harvest Preparation Using Thermal Energy - (Peer Reviewed Journal)
Funk, P.A., Armijo, C.B., Showler, A., Fletcher, R.S., Brashears, A.D., McAlister III, D.D. 2006. Cotton harvest preparation using thermal energy. Transactions of the ASABE. 49(3):617-622.
Assessing South Texas Natural Resources with Pan-Sharpened Quickbird Imagery and Inexpensive Software - (Proceedings)
Fletcher, R.S., Everitt, J.H., Yang, C. 2006. Assessing south Texas natural resources with pan-sharpened QuickBird imagery and inexpensive software. In: Proceedings of the 20th Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment, Bethesda, Maryland. 2006 CDROM.
Application of High Resolution Digital Aerial Photography for Monitoring Ecological Conditions of Texas Seagrass Beds - (Proceedings)
Pulich, Jr., W., Fletcher, R.S., Hardigree, B. 2006. Application of high resolution digital aerial photography for monitoring ecological conditions of Texas seagrass beds. Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment, Bethesda, Maryland. 2006 CDROM.
A Six-Camera Digital Video Imaging System Sensitive to Visible, Red Edge, Near-Infrared, and Mid-Infrared Wavelengths - (Peer Reviewed Journal)
Fletcher, R.S., Everitt, J.H. 2007. A six-camera digital video imaging system sensitive to visible, red edge, near-infrared, and mid-infrared wavelengths. Geocarto International. 22(2):75-86.
Cotton Harvest Preparation Using Thermal Energy - (Peer Reviewed Journal)
Funk, P.A., Armijo, C.B., Brashears, A.D., McAlister III, D.D., Showler, A., Fletcher, R.S. 2006. COTTON HARVEST PREPARATION USING THERMAL ENERGY. Transactions of the ASABE. Vol 49(3): 617-622. (2006).
Evaluation of High Resolution Satellite Imagery for Assessing Rangeland Resources in South Texas - (Peer Reviewed Journal)
Everitt, J.H., Yang, C., Fletcher, R.S., Drawe, D. 2006. Evaluation of high resolution satellite imagery for assessing rangeland resources in south Texas. Rangeland Ecology and Management. 59:30-37.
Thermal Defoliation in 2004 - (Proceedings)
Funk, P.A., Armijo, C., Brashears, A. D., Showler, A.T., Fletcher, R.S., Hutmacher, R.B., Godfrey, L.D., McGuire, M.R., Bancroft, J.S. 2005. Thermal defoliation in 2004. In: Proceedings of the National Cotton Council, Beltwide Cotton Conferences, January 4-7, 2005, New Orleans, Louisiana. p. 648-656. 2005 CDROM.
Evaluating High Spatial Resolution Imagery for Detecting Citrus Orchards Affected by Sooty Mould - (Peer Reviewed Journal)
Fletcher, R.S. 2005. Evaluating the spatial resolution of QuickBird imagery for detecting citrus orchards affected by sooty mold. International Journal of Remote Sensing. 26(3):495-502.
Using Airborne Imagery and GIS Technology to Map and Compare Citrus Blackfly Infestations Occurring in Different Years - (Peer Reviewed Journal)
Fletcher, R.S., Everitt, J.H., Davis, M.R., Escobar, D.E. 2004. Using airborne imagery and GIS technology to map and compare citrus blackfly infestations occurring in different years. HortTechnology. 14(3):398-401.
Using Aerial Colorinfrared Photography and Quickbird Satellite Data for Mapping Wetland Vegetation - (Peer Reviewed Journal)
Everitt, J.H., Yang, C., Fletcher, R.S., Davis, M.R., Drawe, D. 2004. Using aerial color-infrared photography and Quickbird satellite data for mapping wetland vegetation. Geocarto International 19(4):15-22.
Assessing a Wastewater Discharge to the Subtropical Rio Grande Valley Using Aerial Videography and in Site Physicochemistry - (Peer Reviewed Journal)
Webster, C.F., Fletcher, R.S., Everitt, J.H., Davis, M.R., Escobar, D.E. 2004. Assessing a wastewater discharge to the subtropical Rio Grande Valley using aerial videography and in site physicochemistry. Geocarto International. 19(4):41-48.
Evaluation of Quickbird Imagery for Crop Identification and Area Estimation - (Proceedings)
Yang, C., Everitt, J.H., Fletcher, R.S., Murden, D. 2004. Evaluation of Quickbird imagery for crop identification and area estimation. Proceedings of 19th Biennial Workshop In Color Photography, Videography, and Airborne Imaging for Resource Assessment, Bethesda, Maryland. 2004 CD-ROM.
Response of Ratio Vegetation Indices to Foot-Rot Infected Citrus Trees - (Peer Reviewed Journal)
Fletcher, R.S., Escobar, D.E., Skaria, M. 2004. Response of ratio vegetation indices to foot-rot infected citrus trees. International Journal of Remote Sensing. 25(19):3967-3972.
Visnirmir Digital Video Imaging System - (Proceedings)
Fletcher, R.S., Everitt, J.H., Escobar, D.E., Yang, C. 2004. VISNIRMIR digital video imaging system. Proceedings of 19th Biennial Workshop on Color Photography and Videography in Resource Assessment, Bethesda, Maryland. 2004 CD-ROM.
Evaluating Airborne Normalized Difference Vegetation Index Imagery for Citrus Orchard Surveys - (Peer Reviewed Journal)
Fletcher, R.S., Escobar, D.E., Skaria, M. 2004. Evaluating airborne normalized difference vegetation index imagery for citrus orchard surveys. HortTechnology. 14(1):91-94.
Aerial Videographic and Digital Imaging Surveys of Insect and Disease Infestations in South Texas Citrus Orchards - (Proceedings)
Fletcher, R.S., Escobar, D.E., Everitt, J.H., Skaria, M., Davis, M.R. 2004. Aerial videographic and digital imaging surveys of insect and disease infestations in south texas citrus orchards. Biannual Workshop in Color Photography and Videography in Resource. CD-ROM.
Field Spectra and Airborne Digital Imagery for Detecting Phytophthora Foot Rot Infections in Citrus Trees - (Peer Reviewed Journal) - (15-Jun-00)
Last Modified: 10/20/2014
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