Jatinder S. Aulakh

Image of Jatinder S. Aulakh

Valley Laboratory
The Connecticut Agricultural Experiment Station
153 Cook Hill Road
Windsor, CT 06095
Voice: (860) 683-4984 Fax: (860) 683-4987
E-mail: Jatinder.Aulakh@ct.gov

Biology, ecology, and management of non-native invasive plants and weeds in row crops (corn, cotton, soybean, and grain sorghum), pastures, ornamental nurseries, landscapes, Christmas tree plantations, and non-crop areas. Quantification of pollen-mediated gene transfer from herbicide-resistant crops to weeds. Outreach and extension activities include research plot demonstration, workshops, seminars, field days, problem solving such as herbicide injury, weed identification, weed control advisory services, early detection surveys and mapping of non-native invasive plants.


Ph.D. Auburn University (2013); Weed Science
M.S. Punjab Agricultural University, India (2005); Agronomy
B.S. Punjab Agricultural University, India (2001); Agriculture


Station Career:

Associate Agricultural Scientist: 2021-present

Started as Assistant Scientist at the Valley Laboratory in Windsor: 2015-2021


Current Research:
Seeking biological, chemical, and cultural control methods based on weed biology and ecology for the management of non-native invasive plants and weeds in ornamental nurseries and Christmas tree plantations. Other areas of weed research include pastures and hayfields, organic production systems, cover crops and crop rotations, evaluating new products for ornamental plant safety and weed control efficacy.


Selected publications available from author, Jatinder.Aulakh@ct.gov

  1. Aulakh J. S., Kumar, V., Brunharo, C. A. C. G., Veron, A., and Price, A. J. (2024). EPSPS Gene Amplification Confers Glyphosate Resistance in Palmer Amaranth in Connecticut. Weed Technology. DOI: 10.1017/wet.2024.17

  2. Aulakh, J. S. (2023).Weed Control Efficacy and Ornamental Plant Tolerance to Dimethenamid–p + Pendimethalin Granular Herbicide. Journal of Environmental Horticulture. DOI: 10.24266/0738-2898-41.2.74

  3. Aulakh, J. S. (2023). Asiatic dayflower (Commelina communis) control in Douglas fir. Invasive Plant Science and Management Journal. DOI: 10.1017/inp.2023.1

  4. Aulakh, J. S. (2023). Late postemergence glufosinate-based programs for glyphosate-resistant Palmer amaranth control in dicamba/glufosinate/glyphosate-resistant soybean. Agrosystems, Geosciences, and Environment Journal. DOI: 10.1002/agg2.20378

  5. Aulakh, J. S., Witcher, A., and Kumar, V. (2024). Ornamental Plant and Weed Response to Oxyfluorfen + Prodiamine Herbicide. Horticultural Technology. In press.

  6. Aulakh, J. S. Bulletin 1076 (2021) Common Herbicides for Weed Control in Woody and Herbaceous Ornamentals.
  7. Aulakh, J. S. Bulletin 1070 (2021) Stonecrops (Sedum ssp.) Tolerance to Gemini G (Isoxaben plus Prodiamine) and Basagran T&O (Bentazon) Herbicides.
  8. Aulakh, J. S., Parminder, S. C., Kumar, V., Price, A. J., and Guillard, K. (2021). Multiple Herbicide-Resistant Palmer Amaranth (Amaranthus palmeri) in Connecticut: Confirmation and Response to POST Herbicide Invasive Plant Science and Management. Weed Technology Journal. DOI: 10.1017/wet.2021.6
  9. Aulakh, J. S. Bulletin 1068 (2020) Evaluation of Herbicides and Application Rates for Mugwort (Artemisia vulgaris L.) Management in Cool Season Forage Grasses. 
  10. Aulakh, J. S. (2020). Role of nitrogen and herbicides in integrated management of mugwort (Artemisia vulgaris) in cool-season forage grasses. Invasive Plant Science and Management. DOI: 10.1017/inp.2020.19
  11. Aulakh, J. S. (2020). Weed control efficacy and tolerance of Canaan fir to preemergence herbicides. Weed Technol., 34, 208–213.
  12. Aulakh, J. S. Bulletin 1064 (2020) Comparison of preemergence herbicide treatments for weed control in Canaan fir (Abies balsamea var. phanerolepis).
  13. Duzy, L. M, Price, A. J., Balckom, K. S., and Aulakh, J. S. (2016). Assessing the Economic Impact of Inversion Tillage, Cover Crops, and Herbicide Regimes Influence of Inversion Tillage, Cover Crops and Herbicide Regimes in Palmer amaranth (Amaranthus palmeri) Infested Cotton. International Journal of Agronomy.
  14. Aulakh, J. S., Chahal, P. S., and Jhala, A. J. (2016). Glyphosate-resistant weed control and soybean injury in response to different PPO-inhibiting herbicides. Journal of Agricultural Science, 8. DOI: 10.5539/jas.v8n2p1
  15. Kaur, S., Aulakh, J. S., and Jhala, A. J. (2016). Growth and seed production of glyphosate-resistant giant ragweed (Ambrosia trifida L.) in response to water stress. Canadian Journal Plant Sci. DOI: 10.1139/cjps-2015-0309
  16. Chahal, P. S., Aulakh, J. S., Jugulam, M., and Jhala, A. J. (2016). Herbicide-Resistant Palmer amaranth (Amaranthus palmeri S. Wats.) in the United States—Mechanisms of Resistance, Impact, and Management. In Agricultural and Biological Sciences.  "Herbicides, Agronomic Crops and Weed Biology", book edited by Price, A., Kelton, J. and Sarunaite, L. ISBN: 978-953-51-2218-0
  17. Chahal, P. S., Aulakh, J. S., Rosenbaum, K., and Jhala, A. J. (2015). Growth stage affects dose response of selected glyphosate-resistant weeds to premix of 2, 4-D choline and glyphosate (Enlist Duo™ Herbicide*). Journal of Agricultural Science, 7, 1-10. DOI: 10.5539/jas.v7n11p1
  18. Aulakh, J. S., Saini, M., Price, A. J.*, Faircloth, W. H., van Santen, E., Wehtje, G. R., and Kelton, J. A. (2015). Herbicide and rye cover crop residue integration affect weed control and yield in strip-tillage peanut. Peanut Science, 42, 30-38. DOI: 10.3146/PS14-13.1
  19. Aulakh, J. S., and Jhala, A. J. (2015). Comparison of glufosinate-based herbicide programs for broad-spectrum weed control in glufosinate-resistant soybean. Weed Technol., 29, 419–430.
  20. Sarangi, D, Sandell, L. D., Knezevic, S. Z., Aulakh, J. S., Lindquist, J. L., Irmak, S., and Jhala, A. J. (2015). Confirmation and Control of Glyphosate-Resistant Common Waterhemp (Amaranthus rudis) in Nebraska. Weed Technol., 29, 82–92. DOI: 10.1614/WT-D-14-00090.1
  21. Aulakh, J. S., Enloe, S. F., Loewenstein, N. J., Price, A. J., Wehtje, G., and Miller, J. H. (2014). Pushing towards cogongrass patch eradication: The influence of herbicide treatment and application timing on cogongrass rhizome elimination. Invasive Plant Science and Management.
  22. Aulakh, J. S., Price, A. J., Enloe, S. F., and Patterson, M. G. (2013). Integrated Palmer amaranth management in glufosinate –resistant cotton: II. Primary, secondary and conservation tillage. Agronomy, 3, 28-42. DOI: 103390/agronomy3010028.
  23. Enloe, S. F, Kline, W. N., Aulakh, J. S., Bethke, R. K., Gladney, J. B. and Lauer, D. K. (2012). Macartney rose (Rosa bracteata) response to herbicide and mowing treatments. Invasive Plant Science and Management, 6, 260-267.
  24. Aulakh, J. S., Price, A. J., Enloe, S. F., Wehtje, van Santen, E. and Patterson, M. G. (2012). Integrated Palmer Amaranth Management in Glufosinate-Resistant Cotton: I. Tillage System, High-Residue Cover Crops and Herbicide Regimes. Agronomy, 2, 295-311. DOI: 103390/agronomy2040295
  25. Enloe, S. F, Belcher, J., Lowenstein, N., Aulakh, J. S. and van Santen, E. (2012). Cogongrass Control with Aminocyclopyrachlor in Pastures. Forage and Grazinglands, 10(1), 1-8. DOI: 10.1094/FG-2012-0828-02-RS
  26. Enloe, S. F, H. Dorough, J. T. Ducar and Aulakh, J. S. (2012). Little Barley Control with Herbicides in Dormant Bermudagrass Hayfields. Forage and Grazinglands, 10(1), 1-6. DOI: 10.1094/FG-2012-0828-01-RS
  27. Aulakh, J. S., Price, A. J., and Balkcom, K. S. (2011). Weed management and cotton yield under two row spacings, conventional and conservation tillage systems utilizing conventional, glufosinate-, and glyphosate-based weed management systems. Weed Technol., 25, 542-547.
  28. Aulakh, J. S., and Vashist, K. K. (2007). Growth, Yield Attributes, and Seed Yield of Summer Greenbean [Vigna radiata (L.) Wilczek] as Influenced by Various Planting Dates and Irrigation Schedules. Indian J. Ecol., 34, 158–160.
  29. Aulakh, J. S., and Vashist, K. K. (2007). Influence of Different Sowing Dates and Irrigation Schedules on Consumptive Water Use, Moisture Use Efficiency, Productivity and Quality Parameters in Summer Greenbean [Vigna radiata (L.) Wilczek]. J. Plant Sci. Res., 23, 73–77.

Weed Management in Christmas Trees

  1. Aulakh, J. S. (2024). Tips for Spring and Summer Weed Management in Christmas Trees. The Real Tree Line Magazine, 64(1), 20-21.
  2. Aulakh, J. S. (2023). Frequency (topramezone) and Mission (flazasulfuron) Herbicides Evaluation in Balsam Fir Transplant Beds. The Real Tree Line Magazine, 63(4), 11.
  3. Aulakh, J. S. Aulakh, J. S. (2023). Postemergence Herbicide Tank-mixes for Summer Weed Management. The Real Tree Line Magazine, 63(2), 12-13.
  4. Aulakh, J. S. (2023).Wild Buckwheat Identification and Management in Christmas Trees. The Real Tree Line Magazine, 63(2), 16-17.
  5. Aulakh, J. S. (2023). Herbicide updates. The Real Tree Line Magazine, 63(1), 21-22.
  6. Aulakh, J. S. (2022). Summer Weed Management in Christmas trees. The Real Tree Line Magazine, 62(3), 16-17.
  7. Aulakh, J. S. (2022). Horsenettle (Solanum carolinense) Control in Christmas Trees. The Real Tree Line Magazine, 62(3), 11-12.
  8. Aulakh, J. S. (2022). Nonselective Tank-Mix Partners for Controlling Emerged Weeds at Spring Preemergence Treatment. The Real Tree Line Magazine, 62(1), 13.
  9. Aulakh, J. S. (2022). Horseweed Control in Christmas Trees. The Real Tree Line Magazine, 62(1), 20-21.
  10. Aulakh, J. S. (2021). Fall Herbicide Treatments for Controlling Woody Perennials. The Real Tree Line Magazine, 61(4), 22.
  11. Aulakh, J. S. (2021). Broomsedge invasion and management in Christmas trees. The Real Tree Line Magazine, 61(2), 12-13.
  12. Aulakh, J. S. (2020). Synthetic herbicides for use in Christmas tree plantations. The Real Tree Line Magazine, 60(4), 16-17.
  13. Aulakh, J. S. (2020). Christmas tree tolerance to over-the-top application of weed suppression treatment. The Real Tree Line Magazine, 60(3), 15.
  14. Aulakh, J. S. (2020). Christmas tree tolerance to over-the-top application of selective grass killers. The Real Tree Line Magazine, 60(3), 16.
  15. Aulakh, J. S. (2020). Palmer amaranth: A new devastating pigweed at your doorsteps. The Real Tree Line Magazine, 60(2), 22.
  16. Aulakh, J. S. (2020). Weed management update: Indaziflam safety to Christmas trees in Connecticut. The Real Tree Line Magazine, 60(1), 12-13.

Popular Articles

Fact Sheets:

  1. Chemical Control of Mugwort in Asparagus (PDF)
  2. Horseweed (Conyza canadensis) Identification and Control in Christmas Trees (PDF)
  3. Nonselective Tank-Mix Partners for Controlling Emerged Weeds at Spring Preemergence Treatment (PDF)
  4. Goldencreeper (Thladiantha dubia) (PDF)
  5. Palmer Amaranth (PDF)
  6. Horsenettle (Solanum carolinese L.)- Identification and Management in Connecticut Pastures and Rangelands https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/HorsenettleFactsheetpdf.pdf
  7. Herbicides for Preemergence Weed Control in Christmas Trees https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/HerbicidesforPreemergenceWeedControlinChristmasTreespdf.pdf
  8. Optimizing Preemergence Weed Control in Christmas Tree Plantations https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/ChristmasTreeWeedControlFactsheetFinal002002pdf.pdf
  9. Woody Vines - Identification and Control https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/WoodyVinesIdentificationandControlpdf.pdf
  10. Giant Hogweed (Heracleum mantegazzianum) Identification and Management https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/Giant-Hogweed-Heracleum-mantegazzianum-Identification-and-Management.pdf
  11. Lesser Celandine (Ficaria verna Huds.) Identification and Management https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/Lesser-celandine_Factsheet.pdf
  12. Phragmites-Distinguishing the Native from the Non-native https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Plant_Pathology_and_Ecology/PhragmitesFactsheetpdf.pdf
  13. Yellow Nutsedge (Cyperus esculentus) Control in Home Lawns With Cool Season Turfgrasses https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/YellowNutsedgeControlFactsheet3rhpdf.pdf
  14. Weed and Sucker Management in Hops https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/HOPS-Weed-control.pdf
  15. Crabgrass (Digitaria spp.) Control in Home Lawns https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/CrabgrassControlFactsheetpdf.pdf
  16. Weeds of Ornamental Plants and Their Control https://portal.ct.gov/-/media/CAES/DOCUMENTS/Publications/Fact_Sheets/Valley_Laboratory/WEEDS-OF-ORNAMENTAL-PLANTS-AND-THEIR-CONTROL.pdf