Author: Williamson, R. Chris
| Title | Author and Source | Category | View TGIF Record |
|---|---|---|---|
| Pyrimisulfan and dithiopyr combinations for pre-emergent false-green kyllinga (Kyllinga gracillima) and yellow nutsedge (Cyperus esculentus) control | Reasor, Eric H.; Aynardi, Brian; Williamson, R. Chris; Marvin, Jeff; Sanson, Dale R. 2020. ASA, CSSA, SSSA International Annual Meeting. November. p. 124875. |
|
331724 |
| Pesticide, turfgrass guttation and pollinators Access Restrictions |
Simard, Audrey; Williamson, R. Chris. 2018. Golf Course Management. June. 86(6): p. 75. |
|
298726 |
| Best management practices to protect and promote pollinators in the turfgrass ecosystem Access Restrictions |
Williamson, R. Chris. 2018. Golf Course Management. May. 86(5): p. 62-65. |
|
298233 |
| Welcome Audrey Simard to the Williamson Extension and Research Program | Williamson, R. Chris. 2018. The Grass Roots. March/April. 47(2): p. 44. |
|
296364 |
| Organic fertilizer deters vertebrate pests from white grub-fested turf |
Williamson, R. Chris; Obear, Glen R. 2017. International Turfgrass Society Research Journal. 13: p. 1-3. |
|
287826 |
| A new white grub species on the rise | Williamson, R. Chris. 2017. Wisconsin Turfgrass News. Winter. 31(3): p. 3. |
|
335010 |
| Best management practices for turf insecticides and pollinators |
Larson, Jonathan; Held, David; Williamson, R. Chris. 2017. Tennessee Turfgrass. October/November. p. Cover, 18-21. |
|
293764 |
| White grubs abound! | Williamson, R. Chris. 2017. The Grass Roots. September/October. 46(5): p. 20. |
|
291701 |
| Schweiger steps up to manage the O.J. Noer facility | Williamson, R. Chris. 2017. The Grass Roots. January/February. 46(1): p. 10. |
|
280812 |
| Optimizing pest management practices to conserve pollinators in turf landscapes: Current practices and future research needs |
Larson, Jonathan L.; Dale, Adam; Held, David; McGraw, Benjamin; Richmond, Douglas S.; Wickings, Kyle; Williamson, R. Chris. 2017. Journal of Integrated Pest Management. January. 8(1): p. 18 [1-10]. |
|
287703 |
| Protecting pollinators when making turfgrass pesticide applications | Williamson, R. Chris. 2016. Wisconsin Turfgrass Field Day. p. 3-7. |
|
335782 |
| Chinch bugs: Biology and management | Williamson, R. Chris. 2016. The Grass Roots. November/December. 45(6): p. 22-23. |
|
279372 |
| European chafer: Another white grub species in Wisconsin! | Williamson, R. Chris. 2016. The Grass Roots. July/August. 45(4): p. 14-15. |
|
275773 |
| Fungicides affect Japanese beetle Popillia japonica (Coleoptera: Scarabaeidae) egg hatch, larval survival and detoxification enzymes Access Restrictions |
Obear, Glen R.; Adesanya, Adekunle W.; Liesch, Patrick J.; Williamson, R. Chris; Held, David W. 2016. Pest Management Science. May. 72(5): p. 966-973. |
|
269316 |
| Billbugs: Out of site, out of mind! | Williamson, R. Chris. 2016. The Grass Roots. May/June. 45(3): p. 26. |
|
272482 |
| A relatively mild winter with little snow cover: How will it effect insects this year? | Williamson, R. Chris. 2016. The Grass Roots. March/April. 45(2): p. 6-7. |
|
275057 |
| Factors that affect insecticide performance | Williamson, R. Chris. 2016. The Grass Roots. January/February. 45(1): p. 52-53. |
|
268998 |
| Evaluation of abamectin for control of mound building ants in turf | Williamson, R. Chris. 2015. Wisconsin Turfgrass Field Day. p. 13. |
|
335766 |
| Assessment and use strategies of bacculovirus for control of fall armyworm and black cutworm | Williamson, R. Chris; Held, David; McGraw, Ben. 2015. Turfgrass and Environmental Research Program: 2015 Research Summaries. p. 180-184. |
|
285078 |
| Fungicides affect Japanese beetle (Coleoptera: Scarabaeidae) egg hach, larval survival and detoxification enzymes | Williamson, R. Chris; Obear, Glen; Held, David W.; Liesch, P. J.; Adesanya, A. 2015. ASA, CSSA and SSSA International Annual Meetings. p. 95070. |
|
267189 |
| Permissible deviations from the pesticide label? | Williamson, R. Chris. 2015. The Grass Roots. November/December. 44(6): p. 6. |
|
267852 |
| Best management practices to minimize potential impact on pollinators | Williamson, R. Chris. 2015. The Grass Roots. September/October. 44(5): p. 6. |
|
266293 |
| Suitability of creeping bentgrass and bermudagrass cultivars for black cutworms and fall armyworms (Lepidoptera: Noctuidae) Access Restrictions |
Hong, Seung Cheon; Obear, Glen R.; Liesch, Patrick J.; Held, David W.; Williamson, R. Chris. 2015. Journal of Economic Entomology. August. 108(4): p. 1954-1960. |
|
266900 |
| Pollinators and insecticides | Williamson, R. Chris. 2015. The Grass Roots. July/August. 44(4): p. 42. |
|
264945 |
| Product stewardship | Williamson, R. Chris. 2015. The Grass Roots. May/June. 44(3): p. 10, 12-13. |
|
262193 |
| What impact do sub-zero temperatures have on insects? | Williamson, R. Chris. 2015. The Grass Roots. March/April. 44(2): p. 6. |
|
259561 |
| Managing earthworms in turf |
Williamson, R. Chris. 2014. The Grass Roots. November/December. 43(6): p. 14, 16. |
|
252746 |
| University of Wisconsin-Madison Insect Diagnostic Lab: A new face and same outstanding service | Williamson, R. Chris. 2014. The Grass Roots. September/October. 43(5): p. 8-9. |
|
250581 |
| Management of mound building ants in turf |
Williamson, R. Chris. 2014. The Grass Roots. May/June. 43(3): p. 10, 12. |
|
245541 |
| Annual bluegrass weevil: Is there need for concern | Williamson, R. Chris. 2014. The Grass Roots. January/February. 43(1): p. 12. |
|
236979 |
| Turfgrass insect pests |
Williamson, R. Chris; Held, David W.; Brandenburg, Rick; Baxendale, Fred. 2013. p. 809-890. In: Stier, John C.; Horgan, Brian P.; Bonos, Stacy A., eds. Turfgrass: Biology, Use, and Management. Madison, Wisconsin: American Society of Agronomy. |
|
220159 |
| Slow start results in delay in Japanese beetle emergence | Williamson, R. Chris. 2013. The Grass Roots. July/August. 42(4): p. 20. |
|
228313 |
| Billbugs? | Williamson, R. Chris. 2013. The Grass Roots. March/April. 42(2): p. 14. |
|
219171 |
| Cutworms |
Shetlar, David J.; Williamson, R. Chris. 2012. p. 28-30. In: Entomological Society of America and Brandenburg, Rick L.; Freeman, Callie P., eds. Handbook of Turfgrass Insects. Lanham, Maryland: Entomological Society of America. 2nd Edition. |
|
218487 |
| Leaf biomechanical properties as mechanisms of resistance to black cutworm (Agrotis ipsilon) among Poa species Access Restrictions |
Hong, Seung Cheon; Williamson, R. Chris; Held, David W. 2012. Entomologia Experimentalis et Applicata. December. 145(3): p. 201-208. |
|
269780 |
| A crazy summer: What impact will the unusual summer have on insects? | Williamson, R. Chris. 2012. The Grass Roots. November/December. 41(6): p. 12-13. |
|
213753 |
| Where are all the grubs? | Williamson, R. Chris. 2012. The Grass Roots. September/October. 41(5): p. 14. |
|
211970 |
| Black cutworm (Lepidoptera: Noctuidae) flight activity on a golf course in central Alabama Access Restrictions |
Hong, Seung Cheon; Held, David W.; Williamson, R. Chris. 2012. Florida Entomologist. June. 95(2): p. 492-493. |
|
209634 |
| A fast start followed by a slow but steady spring: What does it mean for insects this year | Williamson, R. Chris. 2012. The Grass Roots. May/June. 91(3): p. 12. |
|
207543 |
| Annual bluegrass weevil: Not on your radar yet, but be aware! | Williamson, R. Chris. 2012. The Grass Roots. March/April. 41(2): p. 8. |
|
203250 |
| Catepillar [Caterpillar] pests of greens in the Gulf south | Hong, Steve; Held, David W.; Williamson, R. Chris. 2011. Tee to Green [Louisiana/Mississippi]. Winter. p. 14. |
|
265791 |
| Preference and performance of black cutworm (Lepidoptera: Noctuidae) on Poa species |
Hong, Seung Cheon; Williamson, R. Chris; Held, David W. 2011. Journal of Environmental Horticulture. December. 29(4): p. 207-212. |
|
195591 |
| A single application to control black cutworm? | Liesch, P. J.; Williamson, R. Chris. 2011. The Grass Roots. November/December. 40(6): p. 10, 12. |
|
195520 |
| Generalist predators and predation of black cutworm Agrotis ipsilon larvae in close mown creeping bentgrass |
Hong, Seung Cheon; Held, David W.; Williamson, R. Chris. 2011. Florida Entomologist. September. 94(3): p. 714-715. |
|
196624 |
| Value of sampling and monitoring | Williamson, R. Chris. 2011. The Grass Roots. September/October. 40(5): p. 8-9. |
|
191910 |
| Cold and wet: What does this mean for insects this year? | Williamson, R. Chris. 2011. The Grass Roots. May/June. 40(3): p. 14. |
|
183731 |
| Value of independent research and information | Williamson, R. Chris. 2011. The Grass Roots. January/February. 40(1): p. 10. |
|
175735 |
| What impact does the "late or extended fall" have on white grubs? | Williamson, R. Chris. 2010. The Grass Roots. November/December. 39(6): p. 49. |
|
175960 |
| A banner year for chinch bugs | Williamson, R. Chris. 2010. Wisconsin Turfgrass News. Fall. 24(2): p. 7. |
|
189488 |
| Going generic? | Williamson, R. Chris. 2010. The Grass Roots. September/October. 39(5): p. 38. |
|
176041 |
| Distinguished turfgrass entomologists remembered | Williamson, R. Chris. 2010. The Grass Roots. May/June. 39(3): p. 46. |
|
176024 |
| Can spray volume influence product performance? | Williamson, R. Chris. 2010. The Grass Roots. January/February. 39(1): p. 31, 33. |
|
175921 |
| White grub control: Preventative versus curative treatments? | Williamson, R. Chris. 2009. The Grass Roots. November/December. 38(6): p. 42-43. |
|
159399 |
| What's up with all these ants? | Williamson, R. Chris. 2009. The Grass Roots. July/August. 38(4): p. 31, 33. |
|
159434 |
| Managing ants: Is it even possible? | Williamson, R. Chris. 2009. The Grass Roots. January/February. 38(1): p. 32-33. |
|
147419 |
| Evaluation of various white grub insecticides applied as rescue (corrective) treatments for control of japanese beetle grubs in turf | Williamson, R. Chris. 2008. 2008 Wisconsin Turfgrass Research Reports. 26: p. [146]. |
|
242896 |
| Evaluation of optimal preventative timing of insecticide formulations for control of Japanese beetle grubs in turf | Williamson, R. Chris. 2008. 2008 Wisconsin Turfgrass Research Reports. 26: p. [147-148]. |
|
242901 |
| Insecticide options for managing emerald ash borer (EAB) | Williamson, R. Chris. 2008. The Grass Roots. July/August. 37(4): p. 33. |
|
146236 |
| Are the honey bees disappearing? | Williamson, R. Chris. 2008. The Grass Roots. March/April. 37(2): p. 41, 43. |
|
139410 |
| Evaluation of insecticides for control of mound building ants in turf | Williamson, R. Chris. 2007. 2007 Wisconsin Turfgrass Research Reports. 25: p. 105-106. |
|
242573 |
| Evaluation of insecticides for control of black cutworm in low-cut turf | Williamson, R. Chris. 2007. 2007 Wisconsin Turfgrass Research Reports. 25: p. 107-108. |
|
242575 |
| Evaluation of preventative white grub insecticide treatments for control of Japanese beetle larvae in turf | Williamson, R. Chris. 2007. 2007 Wisconsin Turfgrass Research Reports. 25: p. 109. |
|
242578 |
| Evaluation of white grub insecticides for preventative control of Japanese beetle in turf | Williamson, R. Chris. 2007. 2007 Wisconsin Turfgrass Research Reports. 25: p. 110-111. |
|
242581 |
| Evaluation of white grub insecticides for corrective control of Japanese beetle in turf | Williamson, R. Chris. 2007. 2007 Wisconsin Turfgrass Research Reports. 25: p. 112-113. |
|
242582 |
| Bluegrass billbug: A new and overlooked turf pest | Williamson, R. Chris. 2007. Wisconsin Turfgrass News. Winter. 25(3): p. 5. |
|
151834 |
| Potential for the development of insecticide resistance to white grubs | Williamson, R. Chris. 2007. The Grass Roots. November/December. 36(6): p. 13. |
|
136545 |
| [Sporadic Japanese beetle activity] | Williamson, R. Chris. 2007. The Grass Roots. September/October. 36(5): p. 29. |
|
139430 |
| [High rainfall and preventive grub control] | Williamson, R. Chris. 2007. The Grass Roots. September/October. 36(5): p. 29. |
|
139431 |
| [Bad year for ants] | Williamson, R. Chris. 2007. The Grass Roots. September/October. 36(5): p. 29. |
|
139432 |
| [Emerald ash borer in Wisconsin?] | Williamson, R. Chris. 2007. The Grass Roots. September/October. 36(5): p. 29. |
|
139433 |
| [Sod webworms] | Williamson, R. Chris. 2007. The Grass Roots. July/August. 36(4): p. 25. |
|
139426 |
| [Provaunt on cutworms and webworms] | Williamson, R. Chris. 2007. The Grass Roots. July/August. 36(4): p. 25. |
|
139497 |
| [Japanese beetle increases] | Williamson, R. Chris. 2007. The Grass Roots. July/August. 36(4): p. 25. |
|
139498 |
| Emerald ash borer: Insecticide options for protecting ash trees and their effectiveness | Williamson, R. Chris. 2007. The Grass Roots. May/June. 36(3): p. 23, 25-27, 29, 31. |
|
128374 |
| Turfgrass entomologists from across the United States converge in Wooster, OH | Williamson, R. Chris. 2007. The Grass Roots. March/April. 36(2): p. 11. |
|
125257 |
| Questions from the floor: [Ant bait efficacy] | Williamson, R. Chris. 2007. The Grass Roots. January/February. 36(1): p. 23. |
|
121970 |
| Questions from the floor: [Bottom line on earth worms] | Williamson, R. Chris. 2007. The Grass Roots. January/February. 36(1): p. 23. |
|
121972 |
| Questions from the floor: [Resistance to synthetic pyrethroids?] | Williamson, R. Chris. 2007. The Grass Roots. January/February. 36(1): p. 23. |
|
121973 |
| Evaluation of Arena (clothianidin) for corrective control of Japanese beetle larvae in turf | Williamson, R. Chris. 2006. 2006 Wisconsin Turfgrass Research Reports. 24: p. 25-26. |
|
242260 |
| Evaluation of Meridian 25WG and 0.33G for preventative control of Japanese beetle larvae in turf | Williamson, R. Chris. 2006. 2006 Wisconsin Turfgrass Research Reports. 24: p. 27. |
|
242261 |
| Evaluation of Tempo Ultra and Dylox 420 SL for control of surface feeding insects (sod webworm) in low-cut creeping bentgrass | Williamson, R. Chris. 2006. 2006 Wisconsin Turfgrass Research Reports. 24: p. 28-29. |
|
242264 |
| Alternative management strategies for black cutworm Access Restrictions |
Williamson, R. Chris; Hong, Seung Cheon (Steve). 2006. Golf Course Management. November. 74(11): p. 91-94. |
|
117412 |
| Alternative management strategies for black cutworm |
Williamson, R. Chris; Hong, Seung Cheon (Steve). 2006. The Mountain State Greenletter. November/December. 30(9): p. 3-5. |
|
155693 |
| Managing earthworm castings in low-cut golf course turf |
Williamson, R. Chris; Hong, Seung (Steve). 2006. OTF Turf News. September/October. 68(5): p. 26-31. |
|
174855 |
| Emerald Ash Borer: Too close for comfort! | Williamson, R. Chris. 2006. The Grass Roots. September/October. 35(5): p. 19, 21. |
|
116967 |
| [Japanese beetle cycles] | Williamson, R. Chris. 2006. The Grass Roots. July/August. 35(4): p. 11. |
|
113756 |
| [Emerald ash borer in Wisconsin?] | Williamson, R. Chris. 2006. The Grass Roots. July/August. 35(4): p. 11, 13. |
|
114043 |
| [Ants on greens] | Williamson, R. Chris. 2006. The Grass Roots. July/August. 35(4): p. 13. |
|
114044 |
| Pesticide safety: Never compromise! | Williamson, R. Chris. 2006. The Grass Roots. May/June. 35(3): p. 41. |
|
112024 |
| At long last: Meridian (thiamethoxam) is slated for EPA registration in late 2006 | Williamson, R. Chris. 2006. The Grass Roots. March/April. 35(2): p. 29. |
|
110570 |
| Trapping Phyllophaga spp. (Coleoptera: Scarabaeidae: Melolonthinae) in the United States and Canada using sex attractants Access Restrictions |
Robbins, Paul S.; Alm, Steven R.; Armstrong, Charles D.; Averill, Anne L.; Baker, Thomas C.; Bauernfiend, Robert J.; Baxendale, Frederick P.; Braman, S. Kris; Brandenburg, Rick L.; Cash, Daniel B.; Couch, Gary J.; Cowles, Richard S.; Crocker, Robert L.; DeLamar, Zandra D.; Dittl, Timothy G.; Fitzpatrick, Sheila M.; Flanders, Kathy L.; Forgatsch, Tom; Gibb, Timothy J.; Gill, Bruce D.; Gilrein, DAniel O.; Gorsuch, Clyde S.; Hammond, Abner M.; Hastings, Patricia D.; Held, David W.; Heller, Paul R.; Hiskes, Rose T.; Holliman, James L.; Hudson, William G.; Klein, Michael G.; Krischik, Vera L.; Lee, David J.; Linn, Charles E. Jr.; Luce, Nancy J.; MacKenzie, Kenna E.; Mannion, Catherine M.; Polavarapu, Sridhar; Potter, David A.; Roelofs, Wendell L.; Royals, Brian M.; Salsbury, Glenn A.; Schiff, Nathan M.; Shetlar, David J.; Skinner, Margaret; Sparks, Beverly L.; Sutschek, Jessica A.; Sutschek, Timothy P.; Swier, Stanley R.; Sylvia, Martha M.; Vickers, Neil J.; Vittum, Patricia J.; Weidman, Richard; Weber, 2006. Journal of Insect Science. January 1. 6(1): p. 1-124. |
|
258489 |
| Herbicide runoff from simulated lawn and driveway surfaces Access Restrictions |
Stier, John C.; Walston, Allison; Williamson, R. Chris. 2005. International Turfgrass Society Research Journal. 10(Part 1): p. 136-143. |
|
105343 |
| Linden borer: A wood-boring pest: As the linden borer and its hosts become more common, it becomes increasingly important to expand our knowledge of the biology and control of this pest Access Restrictions |
Williamson, R. Chris; Johnson, Tina A. 2005. Golf Course Management. December. 73(12): p. 78-80. |
|
108658 |
| Identification of mechanism(s) of resistance in Kentucky bluegrass for control of black cutworms | Williamson, R. Chris; Hong, Seung Cheon (Steve). 2005. USGA Turfgrass and Environmental Research Online. November 15. 4(22): p. [1-6]. |
|
108002 |
| Can't see the trees for the turf | Williamson, R. Chris. 2005. The Grass Roots. September/October. 34(5): p. 13. |
|
107613 |
| Annoying mound building ants in turf: What options are available? | Williamson, R. Chris. 2005. The Grass Roots. July/August. 34(4): p. 20-21, 23. |
|
106054 |
| New white grub chemistry: What does it mean for you? | Williamson, R. Chris. 2005. The Grass Roots. May/June. 34(3): p. 45. |
|
105893 |
| Invasive insect species: Unwanted invaders! | Williamson, R. Chris. 2005. The Grass Roots. March/April. 34(2): p. 8-9. |
|
103468 |
| Spray volume can have an enormous effect! | Williamson, R. Chris. 2005. The Grass Roots. January/February. 34(1): p. 37. |
|
102429 |
| Evolution of several rates and formulations of thiamethoxam for control of Japanese beetle grubs in turf |
Williamson, R. Chris. [2004]. Auxiliary Research Reports [Wisconsin]. p. 56-58. |
|
260484 |