TURF
Gregory E. Bell
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Wayne W. and Jean Huffine Endowed Professor of Turfgrass Science
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Ph.D. & M.S. - Ohio State University
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Address: Horticulture and Landscape Architecture Department, 360 AG Hall,
Stillwater, OK 74078- 6027
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Phone: 405-744-6424
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Email: greg.bell@okstate.edu
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Resume
(pdf)
Teaching Activities: Dr. Bell currently teaches turfgrass management,
an introductory turfgrass course for turf majors and non-majors, turfgrass
science, an advanced course focusing on stress physiology and ecology,
and personnel and financial management for horticulture. Students
in these classes gain knowledge in plant systems, plant management, and
business management skills that provide the basis for sound decision-making
in the field. |
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Research Activities: Greg is involved in a variety of research projects
focusing on turfgrass physiology and management systems. The climate at
Oklahoma State presents unique opportunities to study both warm-season
and cool-season grasses. Dr. Bell and Dr. Dennis Martin work closely with
several other investigators to provide research that addresses both national
and regional turfgrass concerns. Dr. Bell's primary research objective
is to investigate connections between basic plant physiology and applied
management systems that help turfgrass field practitioners maintain healthy,
aesthetically pleasing turf and uniform playing surfaces with minimal environmental
impact.
Selected Publications:
Xiong, X. (major advisor), G.E. Bell, M.W. Smith, and B. Martin. 2006.
Comparison
of the USGA and Airfield Sand Systems for Sports Turf Construction.
Online. J. Applied Turfgrass Sci. doi:10.1094/ATS-2006-0531-02-RS.
Moss, J.Q. (major advisor), G.E. Bell, M.A. Kizer, M.E. Payton, H. Zhang,
and D.L. Martin. 2006. Reducing
Nutrient Runoff From Golf Course Fairways Using Grass Buffers of Multiple
Heights. Crop Science 46:72-80.
Stiegler, J.C. (major advisor), G.E. Bell, N.O. Maness, and M.W. Smith.
2005. Spectral
detection of pigment concentrations in creeping bentgrass putting greens.
Int. Turfgrass Soc. Res. J. 10:818-825.
Bell, G.E., B.M. Howell, G.V. Johnson, W.R. Raun, J.B. Solie, and M.L.
Stone. 2004. Optical
sensing of turfgrass chlorophyll content and tissue nitrogen. HortSci.
39(5):1130-1132.
Dennis L. Martin
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Professor, Extension Turfgrass Specialist
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Address: Horticulture and Landscape Architecture Department, 360 AG Hall,
Stillwater, OK 74078- 6027
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phone: 405-744-5419
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email: Dennis.L.Martin@okstate.edu
Research Activities: Evaluation of turf-type tall fescues,
Kentucky bluegrasses, fine fescues, creeping bentgrasses, zoysiagrasses
and buffalograsses for adaptation to Oklahoma. Evaluation of experimental
and commercially available seeded turf-type bermudagrasses for golf course
fairways, tees, roughs and home lawns. Evaluation of management practices
for use on roadside right-of-way vegetation.
Extension Activities: Development of formal suggestions
for turfgrass selection, establishment, maintenance and pest control practices
on golf courses, sod farms, athletic fields and commercial grounds in Oklahoma.
Delivery of turf extension programming information to commercial and professional
turf managers through a state-wide turf conference, workshops, and other
printed and audio/visual media. Don't forget to visit the Turf
Program Home Page.
2004 Research
Broadleaf
Herbicide Demonstration for White Clover Control, Dennis Martin, Turf
Extension Specialist and Holly Compton, Turf Extension Assistant, Oklahoma
State University, Stillwater.
Peer Reviewed Journal Articles, 2000 to date:
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F.B. Iriarte, H.C. Wetzel III, J.D. Fry, D.L. Martin, and N.A. Tisserat.
Genetic Diversity and Aggressiveness of Ophiosphaerella korrae,
a Cause of Spring Dead Spot of Bermudagrass. 2004. Pl. Dis. 88:1341-1346.
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Anderson, J.A., C.M. Taliaferro, and D.L. Martin. 2002. Freeze
tolerance of bermudagrasses: vegetatively propagated cultivars intended
for fairway and putting green use, and seed-propagated cultivars.
Crop Sci. 42:975-977.
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Anderson, M.P., C.M. Taliaferro, D.L. Martin and C.A. Anderson. 2001. Comparative
DNA Profiling of U-3 Turf Bermudagrass Strains. Crop Sci. 41:1184-1189.
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Bell, G.E., D.L. Martin, R.M. Kuzmic, M.L. Stone, and J.B. Solie. 2000.
Herbicide tolerance of two cold-resistant bermudagrass (Cynodon spp.) cultivars
determined by visual assessment and vehicle-mounted optical sensing. Weed
Technol. 14:635-641.
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Bell, G.E., D.L. Martin, M.L. Stone, J.B. Solie and G.V. Johnson. 2002.
Turf area mapping using vehicle-mounted optical sensors. Crop Sci. 42:648-651.
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Bell, G.E., D.L. Martin, S.G. Wiese, D.D. Dobson, M.W. Smith, M.L. Stone,
J.B. Solie. 2002. Vehicle-mounted optical sensing: An objective means for
evaluating turf quality. Crop Sci. 42:197-201.
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Bell, G.E., D.L. Martin, S.G. Wiese and R.M. Kuzmic. 2001. Field evaluation
of agricultural sulfur for use on turfgrass under alkaline irrigation.
Int. Turf. Soc. Res. J. 9:363-367.
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Conway, K.E., D.A. Gerken, M.A. Sandburg and D.L. Martin. 2000. Population
dynamics of Laetisaria arvalis and Burkholderia cepacia, potential biocontrol
agents in soil cores and thatch of creeping bentgrass (Agrostis palustris).
Proc. Okla. Acad. Sci. 80:39-46.
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Koh, K.,G.E. Bell, D.L. Martin, and N.R. Walker. 2003. Shade and airflow
restriction effects on creeping bentgrass golf greens. Crop Sci. (in press).
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Martin, D.L., G.E. Bell, J.H. Baird, C.M. Taliaferro, N.A. Tisserat, R.M.
Kuzmic, D.D. Dobson, and J.A. Anderson . 2001. Spring dead spot resistance
and quality of seeded bermudagrasses under different mowing heights. Crop
Sci. 2001 41: 451-456.
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Martin, D.L., G.E. Bell, C.M. Taliaferro, N.A. Tisserat, J.H. Baird, D.D.
Dobson, R.M. Kuzmic, and J.A. Anderson. 2001. Spring dead spot resistance
of inter-specific hybrid bermudagrasses. Int. Turf. Soc. Res. J. 9:685-688.
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Walker, N.R., C.L. Goad, H. Zhang and D.L. Martin. 2002. Factors influencing
populations of plant parasitic nematodes in bentgrass putting greens in
Oklahoma. Plant Dis. 86:764-768.
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Stiegler, J. C., G.E. Bell, and D.L. Martin. 2003. Foliar applications
of magnesium and iron encourage annual bluegrass in shaded creeping bentgrass
putting greens. Crop Management 10:1094. (Available on-line at: http://www.plantmanagementnetwork.org/pub/cm/research/2003/bluegrass/).
Verified 23 August 2003.
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Taliaferro, C.M., D.L. Martin, J.A. Anderson, M.P. Anderson, G.E. Bell,
A.C. Guenzi. 2003. Registration of ‘Yukon’ bermudagrass. Crop Sci. 43:1131-1132.
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Koh, K., G.E. Bell, D. L. Martin, and M.R. Walker. 2003. Shade and airflow
restriction effects on creeping bentgrass golf greens. Crop Sci. 43(7):2182-2188.
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Iriarte, F.B., H.C. Wetzel III, J.D. Fry, D.L. Martin, and N.A. Tisserat.
2004. Genetic Diversity and Aggressiveness of Ophiosphaerella korrae, a
Cuase of Spring Dead Spot of Bermudagraa. Pl. Dis. 88:1341-1346.
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Yerramsetty, P.N., M.P. Anderson, C.M. Taliaferro and D.L. Martin. 2005.
DNA fingerprinting of seeded bermudagrass cultivars. Crop Sci. 45(2): 772-777.
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Iriarte, F.B., J.D. Fry, D. L. Martin, T.C. Todd, and N.A. Tisserat. 2005.
Effect of cold acclimation and freezing on spring dead spot severity in
bermudagrass. HortSci. 40:421-423.
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Martin, D.L., D.J. Wehner, C.S. Throssell and T.W. Fermanian. 2005. Evaluation
of Four Crop Water Stress Index Models for Irrigaion Scheduling Decisions
on Penncross Creeping Bentgrass. Int. Turf. Soc. Res. J. 10:373-386.
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Kenworth, K.E., C.M. Taliaferro, B.F. Carver, D.L. Martin, J.A. Anderson,
and G.E. Bell. 2006. Genetic Variation in Cynodon transvaalensis Burtt-Davy
Crop. Sci. 46:2376-2381.
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Trade/Technical Articles, 2000 to date.
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Anderson, M., A. Guenzi, D. Martin, C. Taliaferro and N. Tisserat. 2002.
Spring dead spot: A major bermudagrass disease. USGA Greens Section Record.
Vol. 40(1):21-23.
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Bell, G.E., D.L. Martin, M.L. Stone and J.B. Solie. 2001. A futuristic
technique for turf management. Golf Course Mgmt. 69(8): 73-75.
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Martin, D.L., G.E. Bell, G.E. Gazaway and D.D. Dobson. 2001. Evaluation
of an electrochemical water treatment device. Golf Course Mgmt. 69(11):66.
(Available on-line at: http://www.gcsaa.org/gcm/2001/nov01/11edge.html).
Verified 21 Aug. 2003.
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Martin, D.L. and J. Gazaway. 2003. Can nontraditional water conditioning
devices help address irrigation water quality and quantity issues? Turfgrass
Environmental Research Online 2(13):1-9. United States Golf Assoc. (Available
on-line at: http://turf.lib.msu.edu/tero/v02/n13.pdf). Verified 21 Aug.
2003.
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Martin, D.L., C.M. Taliaferro, N.A. Tisserat, G.E. Bell, J.H. Baird, D.D.
Dobson, J.A. Anderson and R.M. Kuzmic. 2001. Hardy bermudagrasses sought
with resistance to spring dead spot. Golf Course Mgmt. 69(6):75-80.
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Tisserat, N.A., F.B. Iriarte, H.C. Wetzel III, J.D. Fry, and D.L. Martin.
2003. Identification, Distribution, and Aggressiveness of Spring Dead Spot
Pathogens of Bermudagrass. Turfgrass Environmental Research Online 2(in
press). United States Golf Assoc.
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Martin D., N. Tisserate, C. Taliaferro, N. Walker, and M. Anderson. 2005.
Resistant culrivars are bermuda's best battle vs spring dead spot. TurfGrass
Trends. Feb. p. 75,78, 80, 82.
