Bradley K Fritz
(Brad)
Areawide Pest Management Research
Agricultural Engineer
Phone: (979) 260-9584
Fax: (979) 260-9386
2771 F&B ROAD
COLLEGE STATION, TX, 77845
Fritz, B.K., Hoffmann, W.C., Czaczyk, Z., Bagley, W., Kruger, G., Henry, R. 2012. Measurement and classification methods using the ASAE S572-1 reference nozzles. Journal of Plant Protection Research. 52:447-457.
Fritz, B.K., Hoffmann, W.C., Bonds, J., Haas, K. 2012. Correction of spray concentration and bioassay cage penetration data. American Mosquito Control Association. 28(40):320-322.
Hoffmann, W.C., Fritz, B.K., Bagley, W., Gednalske, J., Elsik, C., Kruger, G. 2012. Determination of selection criteria for spray drift reduction from atomization data. Journal of ASTM International. DOI:10.1520/STP104454.
Fritz, B.K., Hoffmann, W.C., Bagley, W.E. 2012. Effect of formulated glyphosate and adjuvant tank mixes on atomization from aerial application flat fan nozzles. Journal of ASTM International. doi 10.1520/STP104451.
Fritz, B.K., Hoffmann, W.C., Bretthauer, S., Wolf, R.E., Bagley, W.E. 2012. Wind tunnel and field evaluation of drift from aerial spray applications with multiple spray formulations. Journal of ASTM International. doi 10-1520/STP104403.
Hoffmann, W.C., Walker, T.W., Fritz, B.K., Farooq, M., Smith, V.L., Robinson, C.A., Lan, Y. 2012. Further evaluation of spray characterization of sprayers typically used in vector control. Journal of the American Mosquito Control Association. 28(2):93-101.
Britch, S.C., Linthicum, K., Aldridge, R.L., Walker, T.W., Farooq, M., Fritz, B.K., Hoffmann, W.C., Parker, C.T., Breidenbaugh, M.S., Kerce, J. 2012. Aerial ULV application of permethrin against adult mosquitoes over open field and medium density canopy habitat in a hot-temperate zone. Meeting Abstract. p.39.
Fritz, B.K., Hoffmann, W.C., Martin, D.E., Lan, Y. 2011. Expansion of the USDA ARS Aerial Application spray atomization models. Proceedings Annual Conference on Liquid Atomization and Spray Systems. Estoril, Portugal, September 5-7, 2011. p. 1-7.
Thomson, S.J., Huang, Y., Fritz, B.K. 2011. Temporal indications of atmospheric stability affecting off-target spray drift in the midsouth U S. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). pp. 8.
Fritz, B.K., Hoffmann, W.C., Bagley, W.E., Hewitt, A. 2011. Field scale evaluation of spray drift reduction technologies from ground and aerial application systems. Journal of ASTM International. 8(5):JAI103457.
Hoffmann, W.C., Fritz, B.K., Martin, D.E. 2011. Air and spray mixture temperature effects on atomization of agricultural sprays. Agricultural Engineering International: CIGR Journal. 13(1):Manuscript 1730.
Hoffmann, W.C., Fritz, B.K., Bagley, W.E., Lan, Y. 2011. Effects of air speed and liquid temperature on droplet size. Journal of ASTM International. 8(4):JAI103461.
Fritz, B.K., Hoffmann, W.C., Jank, P.C. 2011. A fluorescent tracer method for evaluating spray transport and fate of field and laboratory spray applications. Journal of ASTM International. 8(3):JAI103619.
Fritz, B.K., Hoffmann, W.C., Bonds, J.A., Farooq, M. 2011. Volumetric collection efficiency and droplet sizing accuracy of rotary impactors. Transactions of the ASABE. 54:57-63.
Farooq, M., Walker, T.W., Heintschel, B.P., Hoffmann, W.C., Fritz, B.K., Smith, V.L., Robinson, C.A., English, T. 2010. Impact of electrostatic and conventional sprayers characteristics on dispersion of barrier spray. Journal of the American Mosquito Control Association. 26:422-429.
Fritz, B.K., Hoffmann, W.C., Farooq, M., Walker, T., Bonds, J. 2010. Filtration effects due to bioassay cage design and screen type. Journal of the American Mosquito Control Association. 26:411-421.
Martin, D.E., Lopez, J., Lan, Y., Fritz, B.K., Hoffmann, W.C., Duke, S.E. 2010. Novaluron as an ovicide for bollworm on cotton: Deposition and efficacy of field-scale aerial applications. Journal of Cotton Science. 14:99-106.
Fritz, B.K., Hoffmann, W.C., Rohde, A., Warren, C., Faulkner, W. 2010. Simulating and characterizing agricultural ground applications for soil VOC deposition studies. Journal of ASTM International. 7(7):Paper ID JAI102776.
Huang, Y., Zhan, W., Fritz, B.K., Thomson, S.J., Fang, A. 2010. Analysis of Impact of Various Factors on Downwind Deposition Using a Simulation Method. American Society for Testing and Materials 7(6):1-10.
Huang, Y., Hoffmann, W.C., Lan, Y., Thomson, S.J., Fritz, B.K. 2010. Development of Unmanned Aerial Vehicles for Site-Specific Crop Production Management. Proceedings of 10th International Conference on Precision Agriculture, July 18-21, 2010, Denver, CO. CDROM.
Hoffmann, W.C., Fritz, B.K., Martin, D.E., Atwood, R., Hurner, T., Ledebuhr, M., Tandy, M., Jackson, J., Wisler, G.C. 2010. Evaluation of low-volume sprayers used in asian citrus Psyllid control applications. HortTechnology. 20:632-639.
Hoffmann, W.C., Jank, P.C., Klun, J.A., Fritz, B.K. 2010. Quantifying the movement of multiple insects using an optical insect counter. Journal of the American Mosquito Control Association. 26:167-171.
Zhang, H., Lan, Y., Lacey, R., Hoffmann, W.C., Martin, D.E., Fritz, B.K., Lopez, J. 2009. Ground-based spectral reflectance measurements for efficacy evaluation of aerially applied glyphosate treatments. National Agricultural Aviation Association Meeting. Paper No. AA09-004.
Fritz, B.K., Hoffmann, W.C., Thornburg, J.W., Bagley, W.E., Birchfield, N., Ellenberger, J. 2009. An overview of spray drift reduction testing of spray nozzles. National Agricultural Aviation Association Meeting. Paper No. AA09-002.
Huang, Y., Zhan, W., Fritz, B.K., Thomson, S.J., Fang, A. 2009. Analysis of Impact of Various Factors on Downwind Deposition Using a Simulation Method. Proceedings of the 30th Symposium on Pesticide Formulations and Delivery Systems, American Society for Testing and Materials. October 20-22, 2009, Atlanta, GA.
Barber, J., Greer, M., Fritz, B.K., Hoffmann, W.C. 2009. Aerosol sampling: Comparison of two rotating impactors for field droplet sizing and volumetric measurements. Journal of the American Mosquito Control Association. 25:474-479.
Fritz, B.K., Bagley, B., Hoffmann, W.C. 2010. Effects of spray mixtures on droplet size under aerial application conditions and implications on drift. Applied Engineering in Agriculture. 26:21-29.
Huang, Y., Hoffmann, W.C., Lan, Y., Wu, W., Fritz, B.K. 2009. Development of a Spray System for An Unmanned Aerial Vehicle Platform. Applied Engineering in Agriculture. 25(6):803-809.
Hoffmann, W.C., Walker, T., Fritz, B.K., Farooq, M., Smith, V., Robinson, C., Szumlas, D., Lan, Y. 2009. Spray characterization of ULV sprayers typically used in vector control. Journal of the American Mosquito Control Association. 25:332-337.
Hoffmann, W.C., Farooq, M., Walker, T.W., Fritz, B.K., Szumlas, D., Bernier, U.R., Hogsette Jr., J.A., Lan, Y., Huang, Y., Quinn, B.P., Smith, V.L., Robinson, C.A. 2009. Canopy penetration and deposition of barrier sprays from electrostatic and conventional sprayers. Journal of the American Mosquito Control Association. 25:323-331.
Fritz, B.K., Hoffmann, W.C., Parker, C.T., Lopez, J. 2009. Development and testing of a laboratory spray table methodology to bioassay aerial spray drift. Journal of ASTM International. 6(6):Paper ID JAI102125.
Fritz, B.K., Lopez, J., Latheef, M.A., Martin, D.E., Hoffmann, W.C., Lan, Y. 2008. Deposition of insecticides on corn silks applied at high and low spray rates for control of corn earworm. National Agricultural Aviation Association Meeting. Paper No. AA08-004.
Fritz, B.K., Bagley, B., Hoffmann, W.C., Lan, Y. 2009. Spray spectrum modifications through changes in airspeed to minimize drift. National Agricultural Aviation Association Meeting. Paper No. AA08-002.
Hoffmann, W.C., Walker, T.W., Fritz, B.K., Gwinn, T., Smith, V.L., Szumlas, D., Lan, Y., Huang, Y., Sykes, D., Quinn, B.P. 2008. Spray characterization of thermal fogging equipment typically used in vector control. Journal of the American Mosquito Control Association. 24:550-559.
Purswell, J.L., Fritz, B.K., Branton, S.L., Leigh, S.A. 2008. Effects of System Pressure and Nozzle Type on Spray Application of Avian Vaccines. Applied Engineering in Agriculture 24(6):785-789.
Lan, Y., Fritz, B.K., Hoffmann, W.C., Huang, Y. 2008. Effect of adjuvant physical properties on spray characteristics. ASABE Annual International Meeting. Paper No. 08-4174.
Fritz, B.K., Hoffmann, W.C. 2008. Atmospheric effects on the fate of aerially applied agricultural sprays. International Agricultural Engineering Journal. X:08008.
Lan, Y., Huang, Y., Martin, D.E., Hoffmann, W.C., Fritz, B.K., Lopez, J. 2008. Development of an airborne remote sensing system for aerial applicators. Proceedings of the Annual Precision Ag Conference, July 20-23, 2008, Denver, CO. p. 5-25.
Huang, Y., Lan, Y., Hoffmann, W.C., Fritz, B.K. 2008. Development of an unmanned aerial vehicle-based remote sensing system for site-specific management in precision agriculture. Proceedings of the 9th International Symposium on Precision Agriculture, Denver, CO.
Lopez, J., Lan, Y., Latheef, M.A., Hoffmann, W.C., Fritz, B.K., Martin, D.E. 2008. Laboratory evaluation of novaluron for toxicity to nymphal instars of field collected southern green stink bug on cotton. Southwestern Entomologist. 33:119-127.
Huang, Y., Hoffmann, W.C., Fritz, B.K., Lan, Y. 2008. Development of an unmanned aerial vehicle-based spray system for highly accurate site-specific application. Proceedings of the ASABE Annual International Meeting, St. Joseph, MO. Paper No. 08-3909.
Lan, Y., Hoffmann, W.C., Fritz, B.K., Martin, D.E., Lopez, J. 2008. Drift reduction with drift control adjuvants. ASABE Annual International Meeting. Paper No. 07-1060.
Fritz, B.K., Hoffmann, W.C. 2008. Development of a system for determining collection efficiency of spray samplers. Applied Engineering in Agriculture. 24:285-293.
Fritz, B.K., Hoffmann, W.C. Meteorological influences on mass accountability of aerially applied sprays. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). December 10, 2007, Reno, NV. Paper No. AA07-003.
Fritz, B.K., Hoffmann, W.C. 2008. Collection efficiency of various airborne spray flux samplers used in aerial application research. Journal of ASTM International. 5(1):Paper ID JAI01493.
Martin, D.E., Lopez, J., Hoffmann, W.C., Fritz, B.K., Lan, Y. 2007. Field evaluation of spinosad aerial applications for thrips control on cotton. Southwestern Entomologist. 32(4):221-228.
Lan, Y., Hoffmann, W.C., Fritz, B.K., Martin, D.E., Lopez, J. 2007. Drift reduction with drift control adjuvants. ASABE Annual International Meeting. Paper No. 07-1060.
Zeitler, J.W., Witsaman, P., Foster, S., Hoffmann, W.C., Fritz, B.K. 2007. Asynoptic high resolution upper-air data for high impact weather events [abstract]. In: Proceedings of the American Meteorological Society Conference on Weather Analysis and Forecasting. Conference on Weather Analysis and Forecasting, June 25, 2007, Park City, Utah. Poster No. 1.48.
Zeitler, J.W., Witsaman, P., Foster, S., Hoffmann, W.C., Fritz, B.K. 2007. Asynoptic high resolution upper-air data for high impact weather events. Proceedings of the American Meteorological Society Conference on Weather Analysis and Forecasting, Park City, UT, June 25, 2007. Poster No. 1.48.
Hoffmann, W.C., Walker, T.W., Martin, D.E., Barber, J.A.B., Gwinn, T., Smith, V.L., Szumlas, D., Lan, Y., Fritz, B.K. 2007. Characterization of truck-mounted atomization equipment typically used in vector control. Journal of the American Mosquito Control Association. 23(3):321-329.
Hoffmann, W.C., Fritz, B.K., Farooq, M., Cooperband, M.F. 2008. Effects of wind speed on aerosol spray penetration in adult mosquito bioassay cages. Journal of the American Mosquito Control Association. 24:419-426.
Hoffmann, W.C., Walker, T.W., Smith, V.L., Martin, D.E., Fritz, B.K. 2007. Droplet-size characterization of handheld atomization equipment typically used in vector control. Journal of the American Mosquito Control Association. 23(3):315-320.
Lan, Y., Hoffmann, W.C., Fritz, B.K., Martin, D.E., Lopez, J. 2006. Effectiveness of spray adjuvants on reduction of spray drift. ASABE Annual International Meeting, December 4, 2006, Orlando, Florida. Paper No. AA06-004.
Fritz, B.K. 2006. Atmospheric and stability effects on aerially applied agricultural sprays-Preliminary results. In: Proceedings of the National Agricultural Aviation Association Meeting, December 4, 2006, Orlando, Florida. Paper No. AA06-006.
Fritz, B.K., Hoffmann, W.C., Martin, D.E., Lopez, J., Lan, Y. 2006. USDA-ARS aerial application technology for crop production and protection group - research overview. In: Proceedings of the SERG-International and US Forestry Service Workshop, February 15-18, 2006, Banff, Canada, p. 25-28.
Fritz, B.K., Hoffmann, W.C., Martin, D.E. 2005. Aerial application methods for increasing spray deposition on wheat heads. In: Proceedings of the National Agricultural Aviation Association Meeting, December 4-7, 2005, Reno, Nevada. Paper No. AA05-006.
Martin, D.E., Lopez, J., Hoffmann, W.C., Fritz, B.K. 2005. Novaluron as an ovicide: A model for evaluation of aerially-applied insectides. Part 2: Field Study. National Agricultural Aviation Association Meeting. Paper No. AA05-005.
Witsaman, P.G., Zeitler, J.W., Oaks, M.C., Murdoch, G.P., Nagle, S.R., Hoffmann, W.C., Fritz, B.K. 2005. HI-RISE - Hazardous incident rapid in-flight support effort: Use of asynoptic upper-air data to improve weather forecasts at wildland fires and other hazardous incidents. In: Proceedings of the Joint 6th Symposium on Fire and Forest Meteorology and 19th Interior West Fire Council Meeting, October 25-27, 2005, Canmore, Alberta, Canada. 2005 CDROM.
Fritz, B.K., Shaw, B.W., Parnell, C.B. 2005. Influence of meteorological time frame and variation on horizontal dispersion coefficients in Gaussian dispersion modeling. Transactions of the ASAE. 48:1185-1196.
Fritz, B.K. 2004. Role of atmospheric stability in drift and deposition of aerially applied sprays - preliminary results. American Society of Agricultural Engineers Meetings Papers, August 1-4, 2004, Ottawa, Canada. Paper No. 04-1031.
Kirk, I.W., Fritz, B.K., Hoffmann, W.C. 2004. Aerial methods for increasing spray deposits on wheat heads. Proceedings of the American Society of Agricultural Engineers, August 1-4, 2004, Ottawa, Ontario, Canada. Paper No. 04-1029.
Kirk, I.W., Fritz, B.K., Hoffmann, W.C. 2003. Alternatives to increase aerial spray deposits for FHB control. In: Proceedings of the National Fusarium Head Blight Forum, December 13-15, 2003, Bloomington, Minnesota. p. 88-91.
Fritz, B.K. 2003. Measurement and analysis of atmospheric stability in two Texas regions. In: Proceedings of the American Society of Agricultural Engineers/National Agricultural Aviation Association Technical Session, December 6-10, 2003, Reno, Nevada. Paper No. AA03-005.
Fritz, B.K., Shaw, B.W., Parnell, C.B. 2003. The Fritz-Texas A&M dispersion model development and comparative modeling with ISC3 and AERMOD. Proceedings of the Beltwide Cotton Conference, January 6-10, 2003, Nashville, TN. CDROM.