Research Publications

2024

Barnes, M. R., Campagna, I. A., Haddad, B., & Watkins, E. (2024). Unearthing green potential: Assessing the state of managed urban landscape curricula in Minnesota’s higher education institutions. Natural Sciences Education53(1), e20139. https://doi.org/10.1002/nse2.20139

Barnes, M. R., & Jakstis, K. (2024). Winter–nature interactions elicit positive sentiments in urban millennials: A cross-cultural analysis in Minneapolis-St. Paul, USA, and Stuttgart, Germany. Ecopsychology16(2), 135–148. https://doi.org/10.1089/eco.2023.0028

Barnes, M. R., & Watkins, E. (2024). Sports field users in Minnesota support herbicide use for weed-free recreation. Crop, Forage & Turfgrass Management10(1), e20276. https://doi.org/10.1002/cft2.20276

Heineck, G. C., Ehlke, N. J., & Watkins, E. (2024). Investigating tradeoffs in perennial ryegrass turfgrass performance and seed yield capacity in the US Midwest. Agrosystems, Geosciences & Environment7(3), e20520. https://doi.org/10.1002/agg2.20520

Jakstis, K., & Barnes, M. R. (2024). Winter-human-nature interactions: A scoping review for a neglected season. Global Environmental Psychology2, e11251. https://doi.org/10.5964/gep.11251

Wang, Y., Yue, C., Watkins, E., & Straw, C. (2024). The driving forces and barriers of golf course superintendents’ adoption of precision irrigation technology. Journal of Environmental Horticulture42(2), 66–74. https://doi.org/10.24266/0738-2898-42.2.66

2023

Barnes, M. R., & Watkins, E. (2023). “Nothing beats nature”: Park visitor preferences for natural turfgrass and artificial turf: A case study. HortScience58(4), 453–458. https://doi.org/10.21273/HORTSCI17077-23

Barreto Ortiz, J., Hirsch, C. N., Ehlke, N. J., & Watkins, E. (2023). SpykProps: An imaging pipeline to quantify architecture in unilateral grass inflorescences. Plant Methods19(1), 125. https://doi.org/10.1186/s13007-023-01104-z

Braun, R. C., Watkins, E., Hollman, A. B., & Patton, A. J. (2023). Assessing the fertilizer and pesticide input needs of cool‐season turfgrass species. Crop Science63(5), 3079–3095. https://doi.org/10.1002/csc2.21046

Breuillin‐Sessoms, F., Petrella, D. P., Ehlke, N. J., Vellekson, D., & Watkins, E. (2023). Spring wheat canopy effects on light dynamics and yield of intercropped fine fescues. Crop Science63(5), 3096–3109. https://doi.org/10.1002/csc2.21062

Cui, M., Yue, C., Zhao, L., & Watkins, E. (2023). United States consumers’ landscaping expenditures: A case of garden and lawn care services and equipment. HortTechnology33(1), 65–78. https://doi.org/10.21273/HORTTECH05123-22

Jahnke, L. B., & Barnes, M. R. (2023). Longevity of rain gardens in Minnesota (US) as a stormwater solution: A question of homeowner motivation and satisfaction. Frontiers in Sustainable Cities5, 1277066. https://doi.org/10.3389/frsc.2023.1277066

Kong, X., Yue, C., Watkins, E., Barnes, M., & Lai, Y. (2023). Investigating the effectiveness of irrigation restriction length on water use behavior. Water Resources Management37(1), 251–268. https://doi.org/10.1007/s11269-022-03367-y

Lai, Y., Yue, C., Watkins, E., & Barnes, M. (2023). Investigating the efficacy of government rebates: A case of the smart irrigation system. Journal of Agricultural and Resource Economics48(3), 581–599. https://jareonline.org/articles/investigating-the-efficacy-of-government-rebates-a-case-of-the-smart-irrigation-system/ 

Philocles, S., Torres, A. P., Patton, A. J., & Watkins, E. (2023). The adoption of low-input turfgrasses in the midwestern US: The case of fine fescues and tall fescue. Horticulturae9(5), 550. https://doi.org/10.3390/horticulturae9050550

Qu, Y., Kne, L., Graham, S., Watkins, E., & Morris, K. (2023). A latent scale model to minimize subjectivity in the analysis of visual rating data for the National Turfgrass Evaluation Program. Frontiers in Plant Science14, 1135918. https://doi.org/10.3389/fpls.2023.1135918

Wang, Y., Yue, C., Watkins, E., & Straw, C. (2023). How do risk preferences affect golf course superintendents’ adoption of precision irrigation technologies? Implications from prospect theory. Journal of Agricultural and Applied Economics55(3), 516–535. https://doi.org/10.1017/aae.2023.28

Wolfin, J., Watkins, E., Lane, I., Portman, Z. M., & Spivak, M. (2023). Floral enhancement of turfgrass lawns benefits wild bees and honey bees (Apis mellifera). Urban Ecosystems26(2), 361–375. https://doi.org/10.1007/s11252-023-01339-7

Yue, C., Lai, Y., Watkins, E., Patton, A., & Braun, R. (2023). A behavioral approach to identify barriers to adoption of new technology: A case study of low-input turfgrasses. Journal of Agricultural and Applied Economics55(1), 72–99. https://doi.org/10.1017/aae.2023.7

2022

Barnes, M. R. (2022). Urban lawns as nature-based learning spaces. Ecopsychology14(2), 92–100. https://doi.org/10.1089/eco.2021.0025

Barnes, M. R., & Watkins, E. (2022). Differences in likelihood of use between artificial and natural turfgrass lawns. Journal of Outdoor Recreation and Tourism37, 100480. https://doi.org/10.1016/j.jort.2021.100480

Barnes, M. R., & Watkins, E. (2022). ‘Greenness’ in the eye of the beholder: Comparing perceptions of sustainability and well-being between artificial and natural turfgrass. Cities and the Environment15(1) 2. https://doi.org/10.15365/cate.202.150102

Braun, R. C., Braithwaite, E. T., Kowalewski, A. R., Watkins, E., Hollman, A. B., & Patton, A. J. (2022). Nitrogen fertilizer and clover inclusion effects on the establishment of fine fescue taxa. Crop Science62(2), 947–957. https://doi.org/10.1002/csc2.20704

Braun, R. C., Watkins, E., Hollman, A. B., Mihelich, N. T., & Patton, A. J. (2022). Management, harvest, and storage characteristics of low‐input cool‐season turfgrass sod mixtures. Agronomy Journal114(3), 1752–1768. https://doi.org/10.1002/agj2.21051

Petrella, D. P., Breuillin-Sessoms, F., & Watkins, E. (2022). Layering contrasting photoselective filters improves the simulation of foliar shade. Plant Methods18(1), 16. https://doi.org/10.1186/s13007-022-00844-8

Reiter, M., Mihelich, N. T., Qiu, Y., Horgan, B. P., & Watkins, E. (2022). Assessing fine fescue mixtures and plant growth regulator applications to determine their effect on traffic tolerance and divot recovery. International Turfgrass Society Research Journal14(1), 502–515. https://doi.org/10.1002/its2.82

Straw, C., Bolton, C., Young, J., Hejl, R., Friell, J., & Watkins, E. (2022). Soil moisture variability on golf course fairways across the United States: An opportunity for water conservation with precision irrigation. Agrosystems, Geosciences & Environment5(4), e20323. https://doi.org/10.1002/agg2.20323

Xie, Y., Farhadloo, M., Guo, N., Shekhar, S., Watkins, E., Kne, L., Bao, H., Patton, A. J., & Morris, K. (2022). NTEP‐DB 1.0: A relational database for the national turfgrass evaluation program. International Turfgrass Society Research Journal14(1), 316–332. https://doi.org/10.1002/its2.76

Yue, C., Cui, M., Kong, X., Watkins, E., & Barnes, M. (2022). Landscape irrigation and water conservation in urban areas: An analysis of information-based strategies. HortTechnology32(2), 213–225. https://doi.org/10.21273/HORTTECH05001-21

2021

Barnes, M. R., Yue, C., & Watkins, E. (2021). Homeowner perceptions of watering restriction scenarios in the Minneapolis–St. Paul metropolitan area. Crop, Forage & Turfgrass Management7(2), e20131. https://doi.org/10.1002/cft2.20131

Braun, R. C., Patton, A. J., Watkins, E., Hollman, A. B., Murphy, J. A., Park, B. S., Kowalewski, A. R., & Braithwaite, E. T. (2021). Optimal fine fescue mixture seeding dates in the northern United States. Agronomy Journal113(5), 4413–4428. https://doi.org/10.1002/agj2.20859

Braun, R. C., Watkins, E., Hollman, A. B., Mihelich, N. T., & Patton, A. J. (2021). Investigation of cool‐season species, seeding rate, and nitrogen fertilization in sod production: I. Establishment and sod tensile strength. Agronomy Journal113(5), 4176–4189. https://doi.org/10.1002/agj2.20810

Braun, R. C., Watkins, E., Hollman, A. B., Mihelich, N. T., & Patton, A. J. (2021). Investigation of cool‐season species, seeding rate, and nitrogen fertilization in sod production: II. Management and shelf‐life. Agronomy Journal113(4), 3460–3474. https://doi.org/10.1002/agj2.20777

Breuillin-Sessoms, F., Petrella, D. P., Sandor, D., Bauer, S. J., & Horgan, B. P. (2021). Response of retail lawn seed products during acute drought and recovery. HortTechnology31(4), 448–457. https://doi.org/10.21273/HORTTECH04809-21

Breuillin‐Sessoms, F., Petrella, D. P., Trappe, J. M., Mihelich, N. T., Patton, A. J., & Watkins, E. (2021). Field evaluation of weed suppression in fine fescue (Festuca spp.). Crop Science61(4), 2812–2826. https://doi.org/10.1002/csc2.20506

Friell, J., & Watkins, E. (2021). Review of cool‐season turfgrasses for salt‐affected roadsides in cold climates. Crop Science61(5), 2893–2915. https://doi.org/10.1002/csc2.20326

Heineck, G. C., Ehlke, N. J., & Watkins, E. (2021). Predictive ability of perennial ryegrass spaced‐plant nurseries for turfgrass and seed production swards in Minnesota. Crop Science61(5), 2997–3010. https://doi.org/10.1002/csc2.20278

Lonsdorf, E. V., Nootenboom, C., Janke, B., & Horgan, B. P. (2021). Assessing urban ecosystem services provided by green infrastructure: Golf courses in the Minneapolis-St. Paul metro area. Landscape and Urban Planning208, 104022. https://doi.org/10.1016/j.landurbplan.2020.104022

Petrella, D. P., Bauer, S., Horgan, B. P., & Watkins, E. (2021). Exploring fine fescues as an option for low‐input golf greens in the north‐central USA. Crop Science61(5), 2949–2962. https://doi.org/10.1002/csc2.20390

Qiu, Y., Yang, Y., Hirsch, C. D., & Watkins, E. (2021). Building a reference transcriptome for the hexaploid hard fescue turfgrass (Festuca brevipila) using a combination of PacBio Isoseq and Illumina sequencing. Crop Science61(4), 2798–2811. https://doi.org/10.1002/csc2.20489

2020

Braun, R. C., Patton, A. J., Watkins, E., Koch, P. L., Anderson, N. P., Bonos, S. A., & Brilman, L. A. (2020). Fine fescues: A review of the species, their improvement, production, establishment, and management. Crop Science60(3), 1142–1187. https://doi.org/10.1002/csc2.20122

Breuillin‐Sessoms, F., & Watkins, E. (2020). Performance of multiple turfgrass species during prolonged heat stress and recovery in a controlled environment. Crop Science60(6), 3344–3361. https://doi.org/10.1002/csc2.20262

Heineck, G. C., Ehlke, N. J., Altendorf, K. R., Denison, R. F., Jungers, J. M., Lamb, E. G., & Watkins, E. (2020). Relationships and influence of yield components on spaced‐plant and sward seed yield in perennial ryegrass. Grass and Forage Science75(4), 424–437. https://doi.org/10.1111/gfs.12499

Heineck, G. C., Qiu, Y., Ehlke, N. J., & Watkins, E. (2020). The fungal endophyte Epichloë festucae var. Lolii plays a limited role in mediating crown rust severity in perennial ryegrass. Crop Science60(2), 1090–1104. https://doi.org/10.1002/csc2.20095

Petrella, D. P., & Watkins, E. (2020). Variation in fine fescue taxa response to simulated foliar shade. Crop Science60(6), 3377–3394. https://doi.org/10.1002/csc2.20279

Qiu, Y., Hamernick, S., Ortiz, J. B., & Watkins, E. (2020). DNA content and ploidy estimation of Festuca ovina accessions by flow cytometry. Crop Science60(5), 2757–2767. https://doi.org/10.1002/csc2.20229

Sharma, S., Dhakal, K., Wagle, P., & Kilic, A. (2020). Retrospective tillage differentiation using the Landsat-5 TM archive with discriminant analysis. Agrosystems, Geosciences & Environment3(1), e20000. https://doi.org/10.1002/agg2.20000

Straw, C. M., Principe, F. M., Kurtz, E. L., Wiese-Bjornstal, D. M., & Horgan, B. P. (2020). Within-field variability of turfgrass surface properties and athlete performance: Modeling their relationship using GPS and GIS technologies. Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology234(2), 170–175. https://doi.org/10.1177/1754337119901090

Straw, C. M., Wardrop, W. S., & Horgan, B. P. (2020). Golf course superintendents’ knowledge of variability within fairways: A tool for precision turfgrass management. Precision Agriculture21(3), 637–654. https://doi.org/10.1007/s11119-019-09687-1

2019

Heineck, G. C., Bauer, S. J., Cavanaugh, M., Hollman, A., Watkins, E., & Horgan, B. P. (2019). Variability in creeping bentgrass cultivar germinability as influenced by cold temperatures. Crop, Forage & Turfgrass Management5(1), 180054. https://doi.org/10.2134/cftm2018.07.0054

Heineck, G. C., McNish, I. G., Jungers, J. M., Gilbert, E., & Watkins, E. (2019). Using R‐based image analysis to quantify rusts on perennial ryegrass. The Plant Phenome Journal2(1), 1–10. https://doi.org/10.2135/tppj2018.12.0010

Lane, I. G., Wolfin, J., Watkins, E., & Spivak, M. (2019). Testing the establishment of eight forbs in mowed lawns of hard fescue (Festuca brevipila) for use in pollinator conservation. HortScience54(12), 2150–2155. https://doi.org/10.21273/HORTSCI14336-19

Lane, I., Watkins, E., & Spivak, M. (2019). Turfgrass species affect the establishment and bloom of kura clover (Trifolium ambiguum) in lawns. HortScience54(5), 824–828. https://doi.org/10.21273/HORTSCI13779-18

Qiu, Y., Hirsch, C. D., Yang, Y., & Watkins, E. (2019). Towards improved molecular identification tools in fine fescue (Festuca L., Poaceae) turfgrasses: Nuclear genome size, ploidy, and chloroplast genome sequencing. Frontiers in Genetics10, 1223. https://doi.org/10.3389/fgene.2019.01223

Ramer, H., Nelson, K. C., Spivak, M., Watkins, E., Wolfin, J., & Pulscher, M. (2019). Exploring park visitor perceptions of ‘flowering bee lawns’ in neighborhood parks in Minneapolis, MN, US. Landscape and Urban Planning189, 117–128. https://doi.org/10.1016/j.landurbplan.2019.04.015

Yue, C., Wang, J., Watkins, E., Bonos, S. A., Nelson, K. C., Murphy, J. A., Meyer, W. A., & Horgan, B. P. (2019). Investigating the practices and challenges for turfgrass breeders and distributors. HortScience54(1), 129–135. https://doi.org/10.21273/HORTSCI13343-18

Yue, C., Wang, J., Watkins, E., Xie, Y., Shekhar, S., Bonos, S. A., Patton, A., Morris, K., & Moncada, K. (2019). User preferences for accessing publically available turfgrass cultivar performance data. HortTechnology29(5), 599–610. https://doi.org/10.21273/HORTTECH04390-19

2018

Barnes, M. R., Nelson, K. C., Meyer, A. J., Watkins, E., Bonos, S. A., Horgan, B. P., Meyer, W. A., Murphy, J., & Yue, C. (2018). Public land managers and sustainable urban vegetation: The case of low-input turfgrasses. Urban Forestry & Urban Greening29, 284–292. https://doi.org/10.1016/j.ufug.2017.12.008

Grimshaw, A. L., Qu, Y., Meyer, W. A., Watkins, E., & Bonos, S. A. (2018). Heritability of simulated wear and traffic tolerance in three fine fescue species. HortScience53(4), 416–420. https://doi.org/10.21273/HORTSCI12450-17

Heineck, G. C., Watkins, E., & Ehlke, N. J. (2018). The fungal endophyte Epichloë festucae var. Lolii does not improve the freezing tolerance of perennial ryegrass. Crop Science58(4), 1788–1800. https://doi.org/10.2135/cropsci2017.12.0731

Heineck, G., Watkins, E., & Ehlke, N. J. (2018). Exploring alternative management options for multiyear perennial ryegrass seed production in northern Minnesota. Crop Science58(1), 426–434. https://doi.org/10.2135/cropsci2017.03.0136

2017

Bauer, S. J., Cavanaugh, M. J., & Horgan, B. P. (2017). Wetting agent influence on putting green surface firmness. International Turfgrass Society Research Journal13(1), 624–628. https://doi.org/10.2134/itsrj2016.06.0490

Bauer, S. J., Horgan, B. P., Soldat, D. J., Lloyd, D. T., & Gardner, D. S. (2017). Effects of low temperatures on nitrogen uptake, partitioning, and use in creeping bentgrass putting greens. Crop Science57(2), 1001–1009. https://doi.org/10.2135/cropsci2016.09.0767

Friell, J., Watkins, E., Horgan, B. P., & Cavanaugh, M. (2017). Sod strength characteristics of 51 cool‐season turfgrass mixtures. Agronomy Journal109(4), 1749–1757. https://doi.org/10.2134/agronj2016.05.0295

Hollman, A. B., Heineck, G. C., Frank, K. W., Bauer, S. J., Bryan, J., & Horgan, B. P. (2017). Effects of de‐icing products on putting green turf. International Turfgrass Society Research Journal13(1), 256–263. https://doi.org/10.2134/itsrj2016.06.0488

Koch, P. L., Soldat, D. J., Horgan, B. P., Bauer, S. J., & Patton, A. J. (2017). The Great Lakes School of Turfgrass Science: A nine-state online collaboration to improve the turfgrass short course. Journal of Extension55(3), 20. https://doi.org/10.34068/joe.55.03.20

Reiter, M., Friell, J., Horgan, B., Soldat, D., & Watkins, E. (2017). Drought response of fine fescue mixtures maintained as a golf course fairway. International Turfgrass Society Research Journal13(1), 65–74. https://doi.org/10.2134/itsrj2016.06.0460

Rice, P. J., & Horgan, B. P. (2017). Off-site transport of nitrogen fertilizer with runoff from golf course fairway turf: A comparison of creeping bentgrass with a fine fescue mixture. The Science of the Total Environment580, 533–539. https://doi.org/10.1016/j.scitotenv.2016.11.209

Rice, P. J., Horgan, B. P., & Hamlin, J. L. (2017). Evaluation of individual and combined management practices to reduce the off-site transport of pesticides from golf course turf. The Science of the Total Environment583, 72–80. https://doi.org/10.1016/j.scitotenv.2017.01.001

Yue, C., Wang, J., Watkins, E., Bonos, S. A., Nelson, K. C., Murphy, J. A., Meyer, W. A., & Horgan, B. P. (2017). An investigation of trait prioritization in turfgrass breeding programs. HortScience52(11), 1544–1549. https://doi.org/10.21273/HORTSCI12027-17

Yue, C., Wang, J., Watkins, E., Bonos, S. A., Nelson, K. C., Murphy, J. A., Meyer, W. A., & Horgan, B. P. (2017). Heterogeneous consumer preferences for turfgrass attributes in the United States and Canada. Canadian Journal of Agricultural Economics/Revue Canadienne d’agroeconomie65(3), 347–383. https://doi.org/10.1111/cjag.12128

Yue, C., Wang, J., Watkins, E., Bonos, S., Nelson, K., Murphy, J. A., Meyer, W., & Horgan, B. (2017). Consumer preferences for information sources of turfgrass products and lawn care. Agronomy Journal109(4), 1726–1733. https://doi.org/10.2134/agronj2016.05.0310

2016

Dabney, C., Ostergaard, J., Watkins, E., & Chen, C. (2016). A novel method to characterize silica bodies in grasses. Plant Methods12(1), 3. https://doi.org/10.1186/s13007-016-0108-8

Hugie, K. L., & Watkins, E. (2016). Performance of low-input turfgrass species as affected by mowing and nitrogen fertilization in Minnesota. HortScience51(10), 1278–1286. https://doi.org/10.21273/HORTSCI11007-16

2015

Friell, J., Watkins, E., & Horgan, B. (2015). Cool-season turfgrass species mixtures for roadsides in Minnesota. Ecological Engineering84, 579–587. https://doi.org/10.1016/j.ecoleng.2015.09.057

Koeritz, E. J., Watkins, E., & Ehlke, N. J. (2015). Seeding rate, row spacing, and nitrogen rate effects on perennial ryegrass seed production. Crop Science55(5), 2319–2333. https://doi.org/10.2135/cropsci2014.02.0130

2014

Watkins, E., Gardner, D. S., Stier, J. C., Soldat, D. J., St. John, R. A., Christians, N. E., Hathaway, A. D., Diesburg, K. L., Poppe, S. R., & Gaussoin, R. E. (2014). Cultivar performance of low-input turfgrass species for the North Central United States. Applied Turfgrass Science11(1), ATS-2013-0101-RS. https://doi.org/10.2134/ATS-2013-0101-RS

2013

Friell, J., Watkins, E., & Horgan, B. (2013). Salt tolerance of 74 turfgrass cultivars in nutrient solution culture. Crop Science53(4), 1743–1749. https://doi.org/10.2135/cropsci2012.08.0476

Koeritz, E. J., Watkins, E., & Ehlke, N. J. (2013). A split application approach to nitrogen and growth regulator management for perennial ryegrass seed production. Crop Science53(4), 1762–1777. https://doi.org/10.2135/cropsci2012.08.0505

Miller, D. R., Mugaas, R. J., Meyer, M. H., & Watkins, E. (2013). Performance of low-maintenance turfgrass mixtures and blends. HortTechnology23(5), 610–612. https://doi.org/10.21273/HORTTECH.23.5.610

2012

Bauer, S., Horgan, B. P., Watkins, E., Hathaway, A., Calhoun, R., & Frank, K. (2012). Establishment of creeping bentgrass in annual bluegrass fairways using glyphosate and interseeding. Applied Turfgrass Science9(1), 1–10. https://doi.org/10.1094/ATS-2012-0127-01-RS

Bauer, S., Lloyd, D., Horgan, B. P., & Soldat, D. J. (2012). Agronomic and physiological responses of cool-season turfgrass to fall-applied nitrogen. Crop Science52(1), 1–10. https://doi.org/10.2135/cropsci2011.03.0124

Clark, M. D., & Watkins, E. (2012). Broad-sense heritability estimates of turfgrass performance characteristics in native prairie junegrass germplasm. HortScience47(9), 1228–1233. https://doi.org/10.21273/HORTSCI.47.9.1228

Friell, J., Watkins, E., & Horgan, B. (2012). Salt tolerance of 75 cool-season turfgrasses for roadsides. Acta Agriculturae Scandinavica, Section B — Soil & Plant Science62(sup1), 44–52. https://doi.org/10.1080/09064710.2012.678381

Hugie, K., Yue, C., & Watkins, E. (2012). Consumer preferences for low-input turfgrasses: A conjoint analysis. HortScience47(8), 1096–1101. https://doi.org/10.21273/HORTSCI.47.8.1096

Hulke, B. S., Bushman, B. S., Watkins, E., & Ehlke, N. J. (2012). Association of freezing tolerance to LpCBFIIIb and LpCBFIIIc gene polymorphism in perennial ryegrass accessions. Crop Science52(5), 2023–2029. https://doi.org/10.2135/cropsci2011.09.0527

Yue, C., Hugie, K., & Watkins, E. (2012). Are consumers willing to pay more for low-input turfgrasses on residential lawns? Evidence from choice experiments. Journal of Agricultural and Applied Economics44(4), 549–560. https://doi.org/10.22004/ag.econ.137132

2011

Cavanaugh, M., Watkins, E., Horgan, B., & Meyer, M. (2011). Conversion of Kentucky bluegrass rough to no-mow, low-input grasses. Applied Turfgrass Science8(1), 1–15. https://doi.org/10.1094/ATS-2011-0926-02-RS

Rice, P. J., Horgan, B. P., Hapeman, C. J., McConnell, L. L., Rice, P. J., Horgan, B. P., Hapeman, C. J., & McConnell, L. L. (2011). Efficacy of management practices to mitigate the off-site movement and ecological risk of pesticides transported with runoff from agricultural and turf systems. In Pesticides—Formulations, Effects, Fate. IntechOpen.  https://doi.org/10.5772/14145

Wang, S., Zhang, Q., & Watkins, E. (2011). Evaluation of salinity tolerance of prairie junegrass, a potential low-maintenance turfgrass species. HortScience46(7), 1038–1045. https://doi.org/10.21273/HORTSCI.46.7.1038

Watkins, E., Fei, S., Gardner, D., Stier, J., Bughrara, S., Li, D., Bigelow, C., Schleicher, L., Horgan, B., & Diesburg, K. (2011). Low-input turfgrass species for the North Central United States. Applied Turfgrass Science8(1), 1–11. https://doi.org/10.1094/ATS-2011-0126-02-RS

2010

Bierman, P. M., Horgan, B. P., Rosen, C. J., Hollman, A. B., & Pagliari, P. H. (2010). Phosphorus runoff from turfgrass as affected by phosphorus fertilization and clipping management. Journal of Environmental Quality39(1), 282–292. https://doi.org/10.2134/jeq2008.0505

Clark, M. D., & Watkins, E. (2010). Seed production characteristics of prairie junegrass germplasm accessions. Crop Science50(3), 1057–1065. https://doi.org/10.2135/cropsci2009.05.0235

Clark, M. D., & Watkins, E. (2010). Turfgrass characteristics of prairie junegrass germplasm accessions. Crop Science50(5), 2092–2102. https://doi.org/10.2135/cropsci2010.02.0068

Hoffman, L., DaCosta, M., Ebdon, J. S., & Watkins, E. (2010). Physiological changes during cold acclimation of perennial ryegrass accessions differing in freeze tolerance. Crop Science50(3), 1037–1047. https://doi.org/10.2135/cropsci2009.06.0293

Jiang, Y., Watkins, E., Liu, S., Yu, X., & Luo, N. (2010). Antioxidative responses and candidate gene expression in prairie junegrass under drought stress. Journal of the American Society for Horticultural Science135(4), 303–309. https://doi.org/10.21273/JASHS.135.4.303

Kerns, J. P., Koch, P. L., Horgan, B. P., Chen, C. M., & Wong, F. P. (2010). First report of brown ring patch caused by Waitea circinata var. Circinata on Poa annua in Wisconsin and Minnesota. Plant Disease94(9), 1165–1165. https://doi.org/10.1094/PDIS-94-9-1165A

Rice, P. J., Horgan, B. P., & Rittenhouse, J. L. (2010). Evaluation of core cultivation practices to reduce ecological risk of pesticides in runoff from Agrostis palustrisEnvironmental Toxicology and Chemistry29(6), 1215–1223. https://doi.org/10.1002/etc.179

Rice, P. J., Horgan, B. P., & Rittenhouse, J. L. (2010). Pesticide transport with runoff from creeping bentgrass turf: Relationship of pesticide properties to mass transport. Environmental Toxicology and Chemistry29(6), 1209–1214. https://doi.org/10.1002/etc.180

Watkins, E., Hollman, A. B., & Horgan, B. P. (2010). Evaluation of alternative turfgrass species for low-input golf course fairways. HortScience45(1), 113–118. https://doi.org/10.21273/HORTSCI.45.1.113

2009

Johnsen, A. R., Horgan, B. P., Hulke, B. S., & Cline, V. (2009). Evaluation of remote sensing to measure plant stress in creeping bentgrass (Agrostis stolonifera L.) fairways. Crop Science49(6), 2261–2274. https://doi.org/10.2135/cropsci2008.09.0544

Kramer, K. E., Rice, P. J., Horgan, B. P., Rittenhouse, J. L., & King, K. W. (2009). Pesticide transport with runoff from turf: Observations compared with TurfPQ model simulations. Journal of Environmental Quality38(6), 2402–2411. https://doi.org/10.2134/jeq2008.0433

2008

Hulke, B. S., Watkins, E., Wyse, D. L., & Ehlke, N. J. (2008). Freezing tolerance of selected perennial ryegrass (Lolium perenne L.) accessions and its association with field winterhardiness and turf traits. Euphytica163(1), 131–141. https://doi.org/10.1007/s10681-007-9631-z

2007

Hulke, B. S., Watkins, E., Wyse, D., & Ehlke, N. (2007). Winterhardiness and turf quality of accessions of perennial ryegrass (Lolium perenne L.) from public collections. Crop Science47(4), 1596–1602. https://doi.org/10.2135/cropsci2006.10.0671

2006

Sass, J. F., & Horgan, B. P. (2006). Irrigation scheduling on sand‐based creeping bentgrass: Evaluating evapotranspiration estimation, capacitance sensors, and deficit irrigation in the Upper Midwest. Applied Turfgrass Science3(1), 1–14. https://doi.org/10.1094/ATS-2006-0330-01-RS