Amit J. Jhala

Amit J. Jhala

Website:

·The Jhala Lab

Amit J. Jhala

Associate Professor/Extension Weed Management Specialist

B.S. (Agriculture), Gujarat Agricultural University, India, 2000

M.S. (Weed Science), Anand Agricultural University, India, 2003

Ph.D. (Plant Science / Weed Science), University of Alberta, Canada, 2009

Area of Focus

Weed Management

Honors and Awards

Research Experience

  • July 2018 to present. Associate Professor and Extension Weed Management Specialist, University of Nebraska-Lincoln
  • August 2012 to June 2018. Assistant Professor and Extension Weed Management Specialist, University of Nebraska-Lincoln
  • February 2011 to July 2012. Postdoctoral Research Associate, Citrus Research and Education Center, University of Florida
  • February 2010 to January 2011. Postdoctoral Fellow, University of California-Davis, CA
  • March 2006 to December 2009. Graduate Research Assistant, University of Alberta, Canada
  • January 2005 to December 2005. International Research Scholarship, Ghent University, Belgium

Research Interests

  • Herbicide rotation and tank mixtures for control of herbicide resistant and susceptible weeds
  • Pollen mediated gene flow from herbicide resistant crops and weeds
  • Hybridization of herbicide resistant weeds to wild and weedy species and their fitness
  • Identification, occurrence, and characterization of herbicide resistant weeds in Nebraska crops and cropping systems
  • Late season and fall application of herbicides to reduce herbicide resistant weed seed production in soil seedbank
  • Develop sustainable weed management systems in corn and soybean cropping systems
  • Leaching of soil-applied herbicides commonly used in corn and soybean and their potential for ground water contamination
  • Factors affecting germination of problem weed species and their emergence periodicity

Extension Interests

  • Educate growers about herbicide resistant weeds and role of gene flow to disseminate transgene movement
  • Conduct herbicide efficacy trials and update information in Guide for Weed Management and disseminate information about latest development in weed control practices
  • Develop extension bulletins on topics such as herbicide resistance, crop-weed competition, gene flow, weed seedbank, timing of weed emergence or any other current issues in weed science
  • Contribute to the Crop Production Clinics to help crop producers and agribusiness professionals improve their profitability and herbicide safety
  • Develop a sustainable corn, soybean, and sorghum production systems by teaching the principles of safe, effective, and cost-efficient weed management

Publications

Research Papers in Peer Reviewed Journals

2018

  1. Chahal PS and Jhala AJ (2018) Economics of management of photosystem II- and HPPD-inhibitor-resistant Palmer amaranth in corn. Agronomy Journal 110:1905-1914
  2. Oliveira MC, Gaines TA, Dayan FE, Patterson EL, Jhala AJ, Knezevic SZ (2018) Reversing resistance to tembotrione in an Amaranthus tuberculatus (syn. Rudis) population from Nebraska, USA with cytochrome P450 inhibitors. Pest Management Science 74:2296-2305
  3. Chahal PS, Irmak S, Gaines T, Amundsen K, Jugulam M, Jha P, Travlos IS, Jhala AJ (2018) Control of photosystem II–and 4-hydroxyphenylpyruvate dioxygenase inhibitor–resistant Palmer amaranth (Amaranthus palmeri) in conventional corn. Weed Technology 32:326–335. doi: 10.1017/wet.2017.111
  4. Ganie ZA, Kaur S, Jha P, Kumar V, Jhala AJ (2018) Effect of late season herbicide applications on inflorescence and seed production of glyphosate-resistant giant ragweed (Ambrosia trifida L.). Weed Technology 32:159-165.
  5. Travlos I, Cheimona N, Prado RD, Jhala AJ, Chachalis D, Tani E (2018) First case of glufosinate-resistant rigid ryegrass (Lolium rigidum Gaud) in Greece. Agronomy 8:35.
  6. Oliveira MC, Gaines TA, Jhala AJ, Knezevic SZ (2018) Inheritance of mesotrione resistance in an Amaranthus tuberculatus (var. rudis) population from Nebraska, USA. Frontiers in Plant Science Vol 6, Article # 60. Published on Feb 2, 2018. doi: 10.3389/fpls.2018.00060
  7. Barnes ER, Jhala AJ, Knezevic SZ, Sikkema PH, Lindquist JL (2018) Common ragweed (Ambrosia artemisiifolia L.) interference with soybean in Nebraska. Agronomy Journal 110-1-8. doi:10.2134/agronj2017.09.0554
  8. Sarangi D, Jhala AJ (2018) Comparison of a premix of atrazine, bicyclopyrone, mesotrione, and S-metolachlor with other pre-emergence herbicides for weed control and corn yield in no-tillage and reduced-tillage production systems in Nebraska, USA. Soil and Tillage Research 178:82-91.
  9. Chahal PS, Ganie ZA, Jhala AJ (2018) Overlapping residual herbicides for control of photosystem II and 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitor-resistant Palmer amaranth (Amaranthus palmeri S. Watson) in glyphosate-resistant maize. Frontiers in Plant Science 8:2231. doi: 10.3389/fpls.2017.02231

2017

  1. Sarangi D, Jhala AJ (2017) Biologically effective rates of a new premix (atrazine, bicyclopyrone, mesotrione, and S-metolachlor) for preemergence or postemergence control of common waterhemp [Amaranthus tuberculatus (Moq.) Sauer var. rudis] in corn. Canadian Journal of Plant Science 97:1075-1089
  2. Ganie ZA, Jugulam M, Varanasi VK, Jhala AJ (2017) Investigating the mechanism of glyphosate resistance in a common ragweed (Ambrosia artemisiifolia L.) biotype from Nebraska. Canadian Journal of Plant Science 97:1140-1151
  3. Kumar V, Jha P, Jhala AJ (2017) Confirmation of glyphosate-resistant horseweed (Conyza canadensis) in Montana cereal production and response to POST herbicides. Weed Technology 31:799-810
  4. Kumar V, Jha P, Jhala AJ (2017) Using pyroxasulfone for downy brome (Bromus tectorum L.) control in winter wheat. American Journal of Plant Sciences 8:2367-2378
  5. Soltani N, Jhala AJ, Shropshire C, Sikkema PH (2017) Biologically effective rate of metribuzin for glyphosate-resistant Canada fleabane control in soybean. Canadian Journal of Plant Science 97:771-774
  6. Ganie ZA, Jhala AJ (2017) Modeling pollen-mediated gene flow from glyphosate-resistant to -susceptible giant ragweed (Ambrosia trifida L.) under field conditions. Nature Scientific Reports 7:17067. doi:10.1038/s41598-017-16737-z
  7. Ganie ZA, Jugulam M, Jhala AJ (2017). Temperature influences efficacy, absorption, and translocation of 2,4-D or glyphosate in glyphosate-resistant and susceptible common ragweed (Ambrosia artemisiifolia) and giant ragweed (Ambrosia trifida). Weed Science 65:588-602.
  8. Barnes E, Werle R, Sandell L, Lindquist J, Knezevic SZ, Sikkema P, Jhala AJ. (2017) Influence of tillage on common ragweed (Ambrosia artemisiifolia L.) emergence pattern in Nebraska. Weed Technology 31:623-631.
  9. Barnes E, Knezevic S, Sikkema PH, Lindquist J, Jhala A.J. (2017). Control of glyphosate-resistant common ragweed (Ambrosia artemisiifolia L.) in glufosinate-resistant soybean [Glycine max (L) Merr]. Frontiers in Plant Science. Volume 8; article 1455.
  10. Sarangi, D., and A.J. Jhala (2017). Response of glyphosate-resistant horseweed [Conyza canadensis (L.) Cronq.] to a premix of atrazine, bicyclopyrone, mesotrione, and S-metolachlor. Canadian Journal of Plant Science 97:702-714.
  11. Yadav, R., M.S. Bhullar, S. Kaur, T. Kaur, and A.J. Jhala (2017). Weed control in conventional soybean with pendimethalin followed by imazethapyr + imazamox/quizalofop-p-ethyl. Canadian Journal of Plant Science 97:654-664.
  12. Ganie ZA and Jhala A.J. (2017) Interaction of 2,4-D or Dicamba with Glufosinate for control of glyphosate-resistant giant ragweed (Ambrosia trifida L.) in glufosinate-resistant maize (Zea mays L.). Frontiers in Plant Science 8:1207. doi: 10.3389/fpls.2017.01207 
  13. Sarangi, D., A. Tyre, E. Patterson, T. Gaines, S. Irmak, S.Z. Knezevic, J. Lindquist, and A.J. Jhala (2017). Pollen-mediated gene flow from glyphosate-resistant common waterhemp (Amaranthus rudis Sauer): consequences for dispersal of resistance genes. Nature Scientific Reports 7:44913. http://www.nature.com/articles/srep44913 (PDF file)
  14. Chahal P.S., Varansi V.K., Jugulam M, Jhala A.J. (2017) Glyphosate-resistant Palmer amaranth (Amaranthus palmeri) in Nebraska: Confirmation, EPSPS gene amplification, and response to POST corn and soybean herbicides. Weed Technology 31:80-93.
  15. Ganie, Z.A., J.L. Lindquist, M. Jugulam, G. Kruger, D. Marx, and A.J. Jhala* (2017). An integrated approach for management of glyphosate-resistant Ambrosia trifida with tillage and herbicides in glyphosate-resistant corn. Weed Research 57:112-122.
  16.  Jhala A.J., Sandell LD, Sarangi D, Kruger G.R., S.Z. Knezevic (2017) Control of glyphosate-resistant common waterhemp (Amaranthus rudis) in glufosinate-tolerant soybean. Weed Technology 31:32-45.
  17. Oliveira MC, A.J. Jhala, T. Gaines, S. Irmak, K. Amundsen, J. E. Scott, and S.Z. Knezevic (2017). Confirmation and control of HPPD-inhibiting herbicide-resistant waterhemp (Amaranthus tuberculatus) in Nebraska. Weed Technology 31:67-79.
  18. Sarangi, D.ǂ, L.D. Sandell, G.R. Kruger, S.Z. Knezevic, S. Irmak, and A.J. Jhala* (2017). Comparison of herbicide programs for season-long control of glyphosate-resistant common waterhemp (Amaranthus rudis) in soybean. Weed Technology 31:53-66.
  19. Werle, R., Begcy K., Yerka M., Mover J.P., Jhala A.J., and J.L. Lindquist (2017). Independent evolution of acetolactate synthase-inhibiting herbicide resistance in weedy sorghum populations across common geographic regions. Weed Science 65:164-176.
  20. Ganie ZA and Jhala AJ (2017) Confirmation of glyphosate-resistant common ragweed (Ambrosia artemisiifolia) in Nebraska and response to postemergence corn and soybean herbicides. Weed Technology 31:225-237.

2016

  1. Kaur S., J.S. Aulakh, and A.J. Jhala (2016). Growth and seed production of glyphosate-resistant giant ragweed (Ambrosia trifida L.) in response to water stress. Canadian Journal of Plant Science 96:828-836.
  2. Kaur S., R. Werle, L.D. Sandell, and A.J. Jhala (2016). Spring tillage has no effect on the emergence pattern of glyphosate-resistant giant ragweed in Nebraska. Canadian Journal of Plant Science 96:726-729.
  3. Chahal P.S. and A.J. Jhala (2016) Factors affecting germination and emergence of glyphosate-resistant corn (Zea mays L.) and its progeny. Canadian Journal of Plant Science 96: 613-620.
  4. Ganie, Z.A., L.D. Sandell, M. Jugulam, G. Kruger, D. Marx, and A.J. Jhala (2016). Integrated management of glyphosate-resistant giant ragweed (Ambrosia trifida) with tillage and herbicides in soybean. Weed Technology 30:45-56.
  5. Sarangi D, S Irmak, JL Lindquist, SZ Knezevic, and AJ Jhala (2016). Effect of water stress on the growth and fecundity of common waterhemp. Weed Science 64:42-52.
  6. Chahal PS and AJ Jhala (2016). Effect of glyphosate-resistant volunteer corn density, control timing, and late season emergence on soybean yield. Crop Protection 81:38-42.
  7. Werle R, AJ Jhala, MK Yerka, A Dille, JL Lindquist (2016). Distribution of herbicide-resistant shattercane and johnsongrass populations in sorghum production areas of Nebraska and northern Kansas. Agronomy Journal 108:321-328.

2015

  1. Chahal P.S., J.S. Aulakh, K. Rosenbaum, and A.J. Jhala (2015) Growth stage affects dose response of selected glyphosate-resistant weeds to premix of 2,4-D choline and glyphosate. Journal of Agricultural Science. 7: 1-10.
  2. Chahal P.S. and A.J. Jhala (2015). Herbicide programs for control of glyphosate-resistant volunteer corn in glufosinate-resistant soybean. Weed Technology 29:431-443.
  3. Aulakh J.S. and A.J. Jhala (2015). Comparison of glufosinate based herbicide programs for broad-spectrum weed control in glufosinate-tolerant soybean. Weed Technology 29:419-430.
  4. Bhullar M.S., Kaur G., Kaur M., and A.J. Jhala (2015). Integrated weed management in potato using atrazine and straw mulch. Hort Technology 25: 335-339.
  5. 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 Technology 29: 82-92.
  6. Ganie Z.A., G. Stratman and A.J. Jhala (2015). Dose response of selected glyphosate-resistant weeds to premix of mesotrione and fluthiacet-methyl (Solstice™). Canadian Journal of Plant Science 95:861-869.
  7. Jhala A.J., M.S. Malik and JB Willis (2015). Weed control and crop response of encapsulated acetochlor applied sequentially in soybean. Canadian Journal of Plant Science 95:973-981.

2014

  1. Jhala A.J., L.D. Sandell, N. Rana, G. Kruger, and S.Z. Knezevic. (2014). Confirmation and control of triazine and 4-hydroxyphenylpyruvate dioxygenase-inhibiting herbicide-resistant Palmer amaranth in Nebraska. Weed Technology 28:28-38.
  2. Ramirez A.H.M., A.J. Jhala, and M. Singh. (2014). Factors affecting germination of citron melon (Citrullus lanatus var. citroides). Weed Science 62:45-50.
  3. Mubeen K., Nadeem M.A., Tanveer A., and A.J. Jhala (2014). Effects of seeding time and weed control methods in direct seeded rice (Oryza sativa L.). Journal of Animal and Plant Science 24:534-542.
  4. Kaur S., L.D. Sandell, J.L. Lindquist, and A.J. Jhala. (2014). Glyphosate-resistant giant ragweed control in glufosinate-resistant soybean. Weed Technology 28: 569-577.
  5. Jhala A.J., L.D. Sandell, and G.R. Kruger. (2014). Control of glyphosate-resistant giant ragweed (Ambrosia trifida L.) with 2,4-D followed by pre-emergence or post-emergence herbicides in glyphosate-resistant soybean (Glycine max L.). American Journal of Plant Science 5:2289-2297.
  6. Chahal P.S., G.R. Kruger, C. Humberto-Blanco, and A.J. Jhala. (2014). Efficacy of pre-emergence and post-emergence soybean herbicides for control of glufosinate, glyphosate and imidazolinone-resistant volunteer corn. Journal of Agricultural Science 6:131-140.

  7. Mubeen K., A.J. Jhala, M. Hussain, M.H. Siddiqui, F. Zahoor, M. Shehzad, K. Mehmood. (2014). Effects of seeding time and competition period on weeds, growth and yield of direct seeded fine rice (Oryza sativa L.). Academic Journal of Interdisciplinary Studies 3 (5): 55-64.

2013

  1. Jhala A.J., Ramirez A.H.M., and M. Singh. (2013). Tank mixing saflufenacil, glufosinate and indaziflam improved burndown and residual weed control. Weed Technology 27:422-429.
  2. Jhala A.J., Ramirez A.H.M., S.Z. Knezevic, P. VanDamme, and M. Singh (2013). Herbicide tank mixture for broad-spectrum weed control in Florida citrus. Weed Technology 27:129-137.
  3. Hanson, B.D., S. Gao, J. Gerik, R. Qin, J.A. Cabrera, A.J. Jhala, M.J.M. Abit, D. Cox, B. Correiar, D. Wang, and G.T. Browne. 2013. Preplant 1,3-D treatments test well for perennial crop nurseries, but challenges remain. California Agriculture 67:181-189.
  4. Bhullar M.S., Kaur S., Kaur T., Singh T., Singh M. and Jhala A.J. (2013). Control of broadleaf weeds with post-emergence herbicides in four barley (Hordeum spp.) cultivars. Crop Protection 43:216-222.
  5. Nadeem M.A., A. Tanveer, T. Naqqash, A.J. Jhala, and K. Mubeen. (2013). Determining critical weed competition periods in blackseed. Journal of Animal and Plant Science 23:216-221.

2012

  1. Jhala A.J. and M. Singh (2012). Leaching of indaziflam compared with residual herbicides commonly used in Florida citrus. Weed Technology 26:602-607.
  2. Jhala A.J., Ramirez A.H.M. and M. Singh (2012). Leaching of indaziflam applied at two rates under different rainfall situations in Florida Candler soil. Bulletin of Environmental Contamination and Toxicology 88:326-332.
  3. Jhala A.J., Ramirez A.H.M. and M. Singh (2012). Rimsulfuron tank mixed with flumioxazin, pendimethalin or oryzalin for control of broadleaf weeds in Florida citrus. HortTechnology 22:638-643.
  4. Ramirez A.H.M., Jhala A.J. and M. Singh (2012). Efficacy of PRE and POST herbicides for control of citron melon (Citrullus lanatus var. citroides). Weed Technology 26:783-788.
  5. Singh M., Ramirez, Analiza H.M., S.D. Sharma and Jhala A.J. (2012). Factors affecting germination of ivyleaf morningglory (Ipomoea hederecea). Weed Science 60:64-68.
  6. Jhala A.J., Gao S., Gerik J.S., Qin R., Hanson B.D. (2012). Effects of surface seals and application shanks on nematode, pathogen and weed control with 1,3-dichloropropene. Pest Management Science 68:225-230.
  7. Singh M., Ramirez A.H.M., Jhala A.J., and M.S. Malik. (2012). Weed control efficacy and citrus response to flazasulfuron applied alone or in combination with other herbicides. American Journal of Plant Sciences 3:520-527.
  8. Ramirez A.H.M., M. Singh and Jhala A.J. (2012). Germination and emergence characteristics of common beggar's-tick (Bidens alba). Weed Science 60:374-378.
  9. Bhullar M.S., U.S. Walia, S. Singh, M. Singh and Jhala A.J. (2012). Control of morningglories (Ipomoea spp.) in sugarcane (Saccharum spp.). Weed Technology 26:77-82. (A photograph from this study was selected by the editorial board and it was published on a cover page of Weed Technology volume 26, issue 1, 2012).

2011

  1. Singh M., M.S. Malik, Ramirez A.H., Jhala A.J. (2011). Tank mix of saflufenacil with glyphosate and pendimethalin for weed control in Florida citrus. HortTechnology 21:606-615.
  2. Singh M., S.D. Sharma, Ramirez A.H., Jhala A.J. (2011). Glyphosate efficacy, absorption and translocation in selected four weed species common to Florida citrus. Hort Technology 21:599-605.
  3. Jhala A.J., Bhatt H., Keith A., Hall L.M. (2011). Pollen mediated gene flow in flax: Can genetically engineered and organic flax coexist? Heredity (Nature Publishing Group; Impact Factor 4.6) 106:557-566 (A sampling strategy published to determine minimum number of seeds required to detect gene flow was recognized by Dr. Mile Wilkinson, professor of plant science at the United Kingdom and he wrote a two page commentary that was published in the same issue of Heredity).
  4. Dexter J.E., Jhala A.J., Hills M.J., Yang R.C., Topinka K.C, Weselake R.J. and Hall L.M. (2011). Harvest loss and seed bank longevity of flax (Linum usitatissimum L.): Implications for seed-mediated gene flow. Weed Science 59:61-67.

2010

  1. Dexter J.E., Jhala A.J., Hills M.J., Yang R.C., Topinka K.C, Weselake R.J. and Hall L.M. (2010). Quantification and mitigation of adventitious presence of volunteer flax (Linum usitatissimum L.) in wheat. Weed Science 58:50-58.
  2. Jhala A.J., L. Raatz, J.E. Dexter and L.M. Hall (2010). Adventitious presence: Volunteer flax (Linum usitatissimum L.) in herbicide resistant canola (Brassica napus L.). Weed Technology 24:244-252.
  3. Dexter J.E., Jhala A.J., M.J. Hills, R.C.Yang, R.J. Weselake and L.M. Hall (2010). Emergence and persistence of volunteer flax (Linum usitatissimum L.) in western Canadian cropping systems. Agronomy Journal 102:1321-1328.
  4. Rathod P.H., Patel R.B. and Jhala A.J. (2010). Persistence and management of dinitroaniline herbicide residues in sandy loam soil. International Journal of Environment and Sustainable Development 9:58-73.
  5. Jhala A.J. and L.M. Hall (2010). Flax (Linum usitatissimum L.): Current uses and future applications. Australian Journal of Basic and Applied Sciences 4:4304-4312.
  6. Rathod P.H., Patel J.C. and Jhala A.J. (2010). Potential of gamma irradiated sewage sludge as fertilizer in radish (Raphanus sativus L.): Evaluating heavy metal accumulation in sandy loam soil. Communications in Soil Science and Plant Analysis 42:263-282.

2009

  1. Jhala A.J., Weselake R.J. and Hall L.M. (2009). Genetically engineered flax (Linum usitatissimum L.): Potential benefits, risks, regulations and mitigation of transgene movement. Crop Science 49:1943-1954. (A photograph from this study was selected by the editorial board and it was published on a cover page of Crop Science volume 49, issue 5, 2009).
  2. Rathod P.H., Patel J.C., Shah M.R. and Jhala A.J. (2009). Recycling gamma irradiated sewage sludge as fertilizer: A case study using onion (Alium cepa L.). Applied Soil Ecology 41:223-233.

2008

  1. Jhala A.J., Hall L.M. and Hall J.C. (2008). Potential hybridization of flax with wild and weedy species: An avenue for movement of engineered genes? Crop Science 48 (2): 825-840 (*This paper was selected as a quality paper by the Crop Science Society of America and invited to write a press note that was published in Crop, Soil and Agronomy News in Aug. 2008).
  2. Jhala A.J., Shah S.C., Rathod P.H. and Trivedi G.C. (2008). Integrated effect of seed rates and weed management practices in wheat (Triticum aestivum L.). Research Journal of Agricultural and Biological Sciences 4:704-711.
  3. Rathod P.H., Patel J.C., Shah M.R. and Jhala A.J. (2008). Evaluation of gamma irradiation for bio-solid waste management. International Journal of Environment and Waste Management 2:37-48.

2004 and 2005

  1. Jhala A.J., Rathod P.H., Patel K.C. and P. VanDamme (2005). Growth and yield of groundnut (Arachis hypogeae L.) as influenced by weed management practices and Rhizobium inoculation. Communications in Agricultural and Applied Biological Sciences 70:493-500.
  2. Parmar R.S., B. Akula, Shekh A.M. and Jhala A.J. (2004). Climatic variability in Gujarat State. Journal of Agrometeorology 7:214-219.

Extension Publications

2018

  1. Jhala AJ (2018) Glyphosate-resistant Palmer amaranth management Field Day July 11. Crop Watch. June 25, 2018. https://cropwatch.unl.edu/2018/glyphosate-resistant-palmer-amaranth-field-day-july-11
  2. Jhala AJ (2018) Dicamba off-target injury reports in Nebraska. Crop Watch. June 29, 2018. https://cropwatch.unl.edu/2018/dicamba-target-injury-reports-nebraska
  3. Specht J, Rees J, Klein R, Jhala AJ, Glewen K (2018) Understanding growth regulator herbicide injury. Crop Watch. July 19, 2018. https://cropwatch.unl.edu/2018/understanding-growth-regulator-herbicide-injury.
  4. Specht J, Rees J, Klein R, Jhala AJ, Glewen K (2018) Are your soybean plants exhibiting dicamba-induced leaf injury? Crop Watch. July 19, 2018. https://cropwatch.unl.edu/2018/are-your-soybean-plants-exhibiting-dicamba-induced-leaf-injury
  5. Jhala AJ (2018) Dicamba off-target injury issues in Nebraska soybean. Crop Watch. April 9, 2018. https://cropwatch.unl.edu/2018/dicamba-target-injury-issues-nebraska-soybean
  6. Jhala AJ (2018) How temperature and rain can affect burndown herbicides. Crop Watch. April 18, 2018. https://cropwatch.unl.edu/2018/weather-and-burndown-herbicides
  7. Redfearn D, Jhala AJ, McMechan J (2018) Timing of cover crop termination and related factors. Crop Watch. April 20, 2018. https://cropwatch.unl.edu/2018/timing-cover-crop-termination-and-related-factors
  8. Jhala AJ (2018) Spring herbicides and fall cover crop plantings. Crop Watch, May 4, 2018. https://cropwatch.unl.edu/2018/qa-spring-herbicides-and-fall-cover-crop-plantings
  9. Jhala AJ (2018) Residual herbicides best suited to spring marestail management. Crop Watch. May 2, 2018. https://cropwatch.unl.edu/2018/residual-herbicides-best-suited-spring-marestail-management
  10. Jhala AJ (2018) Terminating cereal rye and applying pre-emergence herbicide. Crop Watch, April 25, 2018. https://cropwatch.unl.edu/2018/qa-regarding-terminating-cereal-rye-applying-pre
  11. Jhala AJ (2018) Which dicamba product should I use to kill broadleaf cover crops or burndown weeds before planting Xtend soybean? Crop Watch. April 27, 2018. https://cropwatch.unl.edu/2018/qa-which-dicamba-product-should-i-use-kill-broadleaf-cover-crops-or-burndown-weeds-xtend
  12. Jhala AJ (2018) Pre-emergence residual herbicides are foundation of soybean weed control. Crop Watch. March 29, 2018 https://cropwatch.unl.edu/2018/pre-emergence-residual-herbicides-are-foundation-soybean-weed-control
  13. Mueller N, Jhala AJ, Knezevic SZ (2018) Planning ahead for winter wheat: Review corn and soybean herbicide programs. Crop Watch. April 13, 2018. https://cropwatch.unl.edu/2018/planning-ahead-winter-wheat-review-corn-and-soybean-herbicide-programs
  14. Jhala AJ (2018) Dicamba off-target injury issues in Nebraska soybean. Crop Watch. April 9, 2018. https://cropwatch.unl.edu/2018/dicamba-target-injury-issues-nebraska-soybean
  15. Barnes E, Lindquist J, Knezevic S, and Jhala AJ (2018) Herbicide options for managing glyphosate-resistant common ragweed in LibertyLink soybean. Crop Watch. March 1, 2018. https://cropwatch.unl.edu/2018/herbicide-options-managing-glyphosate-resistant-common-ragweed-libertylink-soybean
  16. Barnes E, Werle R, Sandell L, Lindquist J, Knezevic S, Jhala AJ (2018) Preplant tillage to manage glyphosate-resistant common ragweed. Feb 13, 2018. https://cropwatch.unl.edu/2018/preplant-tillage-manage-glyphosate-resistant-common-ragweed
  17. Ganie ZA, Jhala AJ (2018) What should you look for in a herbicide label. Crop Watch. Jan 26, 2018. https://cropwatch.unl.edu/2018/what-should-you-look-herbicide-label 
  18. Klein R, Jhala AJ, Pryor R, Knezevic SZ, Rees J, Whitney T (2018) Can we manage dicamba applications in 2018? Crop Watch. Feb 15, 2018. https://cropwatch.unl.edu/2018/can-we-manage-dicamba-applications-2018
  19. Werle R, Jhala AJ, Klein R, Proctor C, Rees J (2018) Results of 2018 survey on Nebraska soybean farmers’ adoption of Xtend technology and off target dicamba movement. Crop Watch. Jan 5, 2018. https://cropwatch.unl.edu/2017/results-2017-survey-nebraska-soybean-farmers%E2%80%99-adoption-xtend-technology-and-target-dicamba
  20. Pryor R, Klein R, Jhala AJ, Knezevic SZ, Rees J (2018) Removing dicamba residues from your sprayer: A tricky task. Crop Watch. Feb 15, 2018. https://cropwatch.unl.edu/2018/removing-dicamba-residues-your-sprayer-tricky-task
  21. Rees J, Specht J, Pryor R, Whitney T, Jhala AJ, Klein R, Knezevic SZ (2018) Potential off-target movement from corn applications. Crop Watch. Feb 15, 2018. https://cropwatch.unl.edu/2018/potential-target-dicamba-movement-corn-applications

2017

  1. Jhala AJ, Rees J (2017) Low temperature and frost may affect efficacy of burndown herbicides. Crop Watch. Nov 9, 2017. https://cropwatch.unl.edu/2017/low-temperature-and-frost-may-affect-efficacy-burndown-herbicides
  2. Jhala AJ (2017) Dicamba injury reports rise in Nebraska. Crop Watch. July 18, 2017. http://cropwatch.unl.edu/2017/dicamba-injury-reports-rise-nebraska
  3. Jhala AJ (2017) Liberty label revision allows rate increase. Crop Watch. July 13, 2017. http://cropwatch.unl.edu/2017/liberty-label-revision-allows-rate-increase
  4. Jhala AJ (2017) Dicamba injury symptoms on sensitive crops. Crop Watch. June 28, 2017 http://cropwatch.unl.edu/2017/dicamba-injury-symptoms-sensitive-crops
  5. Jhala AJ (2017) Grower Q & A: Is this herbicide-resistant Palmer amaranth? Crop Watch. June 23, 2017. http://cropwatch.unl.edu/2017/grower-qa-are-these-weeds-resistant-herbicides
  6. Jhala AJ (2017) Consider application restrictions of postemergence herbicides based on soybean growth stage. Crop Watch. June 19, 2017. http://cropwatch.unl.edu/2017/consider-application-restrictions-postemergence-herbicides-based-soybean-growth-stage
  7. Jhala AJ (2017) Consider corn growth stage when applying postemergence herbicides. Crop Watch. June 14, 2017. http://cropwatch.unl.edu/2017/consider-corn-growth-stage-when-applying-postemergence-herbicides
  8. Jhala AJ (2017) Control of glyphosate-resistant corn volunteers in Liberty Link soybean. June 14, 2017. http://cropwatch.unl.edu/2017/control-glyphosate-resistant-volunteer-corn-liberty-link-soybean
  9. Jhala AJ (2017) PPO-inhibiting herbicides and soybean seedling injuries. June 14, 2017. http://cropwatch.unl.edu/2017/ppo-inhibiting-herbicides-and-soybean-seedling-injuries
  10. Jhala AJ (2017) Planting interval of corn after previous year’s soybean herbicides. Crop Watch. April 21, 2017. http://cropwatch.unl.edu/2017/planting-interval-corn-after-previous-years-soybean-herbicides
  11. Jhala AJ Proctor C (2017) Post-emergence (rescue) herbicide options for control of glyphosate-resistant marestail in corn and soybean. Crop Watch. March 24, 2017. http://cropwatch.unl.edu/2017/post-emergence-rescue-herbicide-options-control-glyphosate-resistant-marestail-corn-and-soybean
  12. Jhala AJ (2017) Effect of excessive rainfall on efficacy of residual herbicides applied in corn and soybean. Crop Watch. May 23, 2017. http://cropwatch.unl.edu/2017/effect-excessive-rainfall-efficacy-residual-herbicides-applied-corn-and-soybean
  13. Jhala AJ (2017) How to differentiate common waterhemp and Palmer amaranth seedlings. Crop Watch. May 16, 2017. http://cropwatch.unl.edu/2017/how-differentiate-common-waterhemp-and-palmer-amaranth-seedlings
  14. Jhala AJ (2017) Watch for Palmer amaranth in conservation reserve program (CRP) fields. Crop Watch. May 12, 2017. http://cropwatch.unl.edu/2017/watch-palmer-amaranth-conservation-reserve-program-crp-fields
  15. Klein R, Jhala AJ, Knezevic SZ, Kruger GR (2017) Spraying the new phenoxy herbicide formulations in Xtend and Enlist soybeans will present challenges. Crop Watch. May 11, 2017. http://cropwatch.unl.edu/2017/spraying-new-phenoxy-herbicide-formulations-xtend-and-enlist-soybeans
  16. Jhala AJ (2017) Timing is critical with pre-emergence flumioxazin based herbicides in soybeans. Crop Watch. April 26, 2017. http://cropwatch.unl.edu/2017/do-not-apply-flumioxazin-based-herbicides-after-soybean-have-begun-crack-or-are-emerged
  17. Rees J, Elmore R, Giesler L, Hunt T, Irmak S, Jhala AJ, Klein R, Mueller N, Shapiro C, Specht J, Vyhnalek A, Wright R (2017) Planting soybean after soybean (Part 2): In-season management considerations. Crop Watch. April 13, 2017. http://cropwatch.unl.edu/2017/planting-soybean-after-soybean-part-2-season-management-considerations
  18. Rees J, Elmore R, Giesler L, Hunt T, Irmak S, Jhala AJ, Klein R, Mueller N, Shapiro C, Specht J, Vyhnalek A, Wright R (2017) Planting soybean after soybean (Part 1): Planting considerations. Crop Watch. April 13, 2017. http://cropwatch.unl.edu/2017/planting-soybean-after-soybean-part-1-planting-considerations
  19. Jhala AJ (2017) Planting interval of corn and soybean after 2,4-D/dicamba burndown application. Crop Watch. April 7, 2017. http://cropwatch.unl.edu/2017/planting-interval-corn-and-soybean-after-24-d-dicamba-burndown-application
  20. Jhala AJ (2017) Status of herbicide-resistant weeds in Nebraska. Crop Watch. March 20, 2017. http://cropwatch.unl.edu/2017/status-herbicide-resistant-weeds-nebraska
  21. Chahal PS, Jhala AJ (2017) Glyphosate-resistant Palmer amaranth confirmed in south-central Nebraska. Crop Watch. March 15, 2017. http://cropwatch.unl.edu/2017/glyphosate-resistant-palmer-amaranth-confirmed-south-central-nebraska
  22. Sarangi D, Jhala AJ (2017) When is a good time to scout and control glyphosate-resistant marestail? Crop Watch. March 8, 2017. http://cropwatch.unl.edu/2017/when-good-time-scout-and-control-glyphosate-resistant-marestail
  23. Jhala AJ (2017) New soybean herbicides for 2017. Crop Watch. March 6, 2017. http://cropwatch.unl.edu/2017/new-soybean-herbicides-2017
  24. Jhala AJ (2017) New corn herbicides for 2017. Crop Watch. March 6, 2017. http://cropwatch.unl.edu/2017/new-corn-herbicides-2017
  25. Jhala AJ (2017) 2017 Chart for selection of herbicides based on site of action. Crop Watch. Feb 26, 2017. http://cropwatch.unl.edu/2017/2017-chart-selection-herbicides-based-site-action

2016

  1. Jhala, A.J. (2016). New corn herbicides for 2016. Crop Watch. University of Nebraska-Lincoln Extension. March 21, 2016. 
  2. Jhala, A.J. (2016). New soybean herbicides for 2016. Crop Watch. University of Nebraska-Lincoln Extension. March 14, 2016. 
  3. Ganie, Z.A. and Jhala, A.J. (2016). Using preplant tillage to manage glyphosate-resistant giant ragweed. Crop Watch. University of Nebraska-Lincoln Extension. March 14, 2016. 
  4. Jhala, A.J. (2016). DiFlexx DUO- A new corn herbicide. Crop Watch. University of Nebraska-Lincoln Extension. April 8, 2016. 
  5. Jhala, A.J., Redfearn, D., Anderson, B., Drewnowski, M., Proctor, C. (2016). Herbicide options for planting cover crops after corn and soybean. Crop Watch. University of Nebraska-Lincoln Extension. March 18, 2016. 
  6. Jhala, A.J. (2016). Acuron - A new corn herbicide. Crop Watch. University of Nebraska-Lincoln Extension. May 19, 2016. 
  7. Jhala, A.J. (2016) A new chart aids selection of diverse site of action herbicides. Crop Watch. University of Nebraska-Lincoln Extension. May 10, 2016. 
  8. Jhala, A.J. (2016). How cool, rainy weather effects burndown herbicide efficacy. Crop Watch. University of Nebraska-Lincoln Extension. April 22, 2016. 
  9. Jhala, A.J. (2016). Understanding the Roundup Ready 2 Xtend soybean weed management system. Crop Watch. University of Nebraska-Lincoln Extension. Nov 11, 2016. 
  10. Jhala, A.J. (2016). Which formulation of 2,4-D is preferred for fall application? Crop Watch. University of Nebraska-Lincoln Extension. Nov 4, 2016. 
  11. Sarangi, D. and Jhala A.J. (2016). New herbicides and managing multiple herbicide tolerant crops. Crop Watch. University of Nebraska-Lincoln Extension. July 28, 2016. 

2015

  1. Jhala, A.J. and S.Z. Knezevic (2015). New corn herbicides for 2015. Crop Watch. University of Nebraska-Lincoln Extension. April 3, 2015. 
  2. Jhala, A.J. and S.Z. Knezevic (2015). New soybean herbicides for 2015. Crop Watch. University of Nebraska-Lincoln Extension. April 10, 2015. 
  3. Drewnoski, M. and A.J. Jhala (2015). Row crop herbicide can limit the use of ground for forage production. Beef Watch. University of Nebraska-Lincoln Extension. Jan 1, 2015. 
  4. Jhala, A.J., B. Anderson, and M. Drewnoski (2015). Corn and soybean herbicide options for planting cover crops for forage in fall. Crop Watch. University of Nebraska-Lincoln Extension. Feb. 25, 2015. 
  5. Kruger, G., B. Canella, S. Samuelson, and A.J. Jhala (2015). Glyphosate-resistant Palmer amaranth confirmed in southwest Nebraska. Crop Watch. University of Nebraska-Lincoln Extension. May 1, 2015. 
  6. Jhala, A.J. (2015). DiFlexx: A new dicamba based corn herbicide. Crop Watch. University of Nebraska-Lincoln Extension. May 13, 2015. 
  7. Jhala, A.J. and S. Kaur (2015). Understanding the Enlist weed control system. Crop Watch. University of Nebraska-Lincoln Extension. 
  8. Jhala, A.J. and G. Kruger (2015). Why residual herbicides are important tools in battling hard-to-control weeds. Crop Watch. University of Nebraska-Lincoln Extension. May 1, 2015. 
  9. Jhala, A.J. (2015). Post-emergence herbicide options for control of glyphosate-resistant marestail in corn and soybean. Crop Watch. University of Nebraska-Lincoln Extension. June 4, 2015. 
  10. Jhala, A.J. (2015). Marestail in oat and wheat fields. Crop Watch. University of Nebraska-Lincoln Extension. July 17, 2015. 
  11. Klein, R. and A.J. Jhala (2015). Countdown: Top 7 reasons why weed management fails. Crop Watch. University of Nebraska-Lincoln. May 20, 2015. 
  12. Jhala, A.J. (2015). Herbicide-resistant Palmer amaranth management Field Day Report. Crop Watch. University of Nebraska-Lincoln. Aug. 7, 2015. 
  13. Jasa, P. and A.J. Jhala (2015). Don’t let tree seedlings get established in no-till fields. Crop Watch. University of Nebraska-Lincoln. May 21, 2015. 

2014

  1. Herbicide resistant weeds in Nebraska (EC 1278)
  2. New crop herbicide products for 2014
  3. Pre-plant and pre-emergence weed control options in corn and soybean
  4. Reinforcements have arrived: New herbicide options for soybean weed management
  5. Should you apply UAN and residual herbicides in a tank mix?
  6. Soil residual herbicide options after soybean emergence
  7. Time to dig in and assess need for replanting corn
  8. Tips for applying soil residual herbicides after corn emergence
  9. Identification of Winter Annual Weeds (EC 304)
  10. Volunteer Corn in Soybean: Impact and Management
  11. Multiple Herbicide Resistant Weeds and Challenges Ahead
  12. 2014 Weed Management Field Day in Corn and Soybean

2013

  1. Key to Holding off Volunteer Corn is Early Treatment
  2. Control of Glyphosate-resistant Volunteer Soybean in Corn
  3. Herbicide-resistant Weed Management Field Day
  4. What's New in Crop Herbicides for 2013
  5. Weeds are Emerging: Recommendations for Pre-plant and Pre-emergence Weed Control
  6. March UNL Extension Workshops in Weed Resistance Management
  7. Glyphosate-resistant Common Waterhemp Confirmed in Nebraska
  8. Take Precautions when Applying Urea Ammonium Nitrate (UAN) and Residual Herbicides on Emerged Corn
  9. Tips for Applying Residual Herbicides after Soybean Emergence
  10. Weed Management Field Day including Onsite Demonstration for Control of Glyphosate-resistant Giant Ragweed
  11. Palmer Amaranth Resistant to Atrazine and HPPD Inhibitors Confirmed in Nebraska
  12. Tips for Identifying Fall Emerging Weeds
  13. New Weed Threat Confirmed in Nebraska: Palmer Amaranth (Interview with Nebraska Farmer)

Book Chapters

  1. Hall, L.M., H. Booker, R.M.P. Siloto, A.J. Jhala, and R.J. Weselake (2016). Flax (Linum usitatissimum L.). In McKeon T.A., Weselake R.J., Hayes D.G. and Hildebrand D.F. (eds.) Industrial Oilseeds Crops (ISBN 978-1-893997-98-1). American Oil Chemists’ Society (AOCS) Monograph Series on Oilseeds, Vol. 8. Pages 157-194. American Oil Chemists’ Society Press, Urbana, IL.
  2. Chahal, P.S., P. Jha, T. Jackson-Ziems, R. Wright, and A.J. Jhala (2016). Glyphosate-resistant volunteer maize (Zea mays L.): Impact and management. In Trevlos IS, D Bilalis, and D Chachalis (eds.) Weed and Pest Control: Molecular Biology, Pesticides, and Environmental Impact. Nova Science Publishers, Hauppauge, NY. Pages 83-98. ISBN 978-1-63484-100-9.
  3. Chahal PS, J Aulakh, J Mithila, and A.J. Jhala (2015) Herbicide-resistant Palmer amaranth (Amaranthus palmeri S. Wats.) in the United States: Impact, mechanism of resistance, and management. In Price AJ, JA Kelton, L Sarunaite (eds.) Herbicides, Agronomic Crops, and Weed Biology. Pages: 1-40. In Tech Scientific Publisher, 41 Madison Avenue, Manhattan, New York. ISBN 978-953-51-2218-0.
  4. Hanson B.D., Fischer A., Jasieniuk M., McHughen A., Shrestha A., Jhala A.J. (2014). Herbicide resistant weeds and crops, pp. 168-188. In Fennimore S. and Bell C. (eds.) Principles of Weed Control- 4th edition, California Weed Science Society, CA. 
  5.  Jhala A.J., S.Z. Knezevic, Z.A. Ganie, and M. Singh. (2014). Integrated weed management in corn (Zea mays L.). In B. Chauhan and G. Mahajan (eds.) Recent Advances in Weed Management. Pages 177-196. Springer, New York.
  6. Jhala A.J. and L.M. Hall. (2013). Risk assessment of herbicide resistant crops with special reference to pollen mediated gene flow. In Price A. J. and J. A. Kelton (ed.) Herbicides- Advances in Research (ISBN 978-953-51-1122-1). Pages: 237-254. In Tech Scientific Publisher, 41 Madison Avenue, Manhattan, New York.