Dr Peter Boutsalis
Grant-Funded Postdoctoral Research Fellow
School of Agriculture, Food and Wine
College of Science
Eligible to supervise Masters and PhD - email supervisor to discuss availability.
Herbicide resistance support and extension to growers, agronomists and the chemical industry. Employed since 2005 for the University of Adelaide to conduct random weed surveys across SA and Vic to monitor for changes in herbicide resistance. Also manages Plant Science Consulting; conducting herbicide resistance testing for Australian growers
For more information see Weed Science Research Group
| Date | Position | Institution name |
|---|---|---|
| 2005 - ongoing | Ph.D. Agricultural Science- Herbicide Resistance | The University of Adelaide |
| Date | Type | Title | Institution Name | Country | Amount |
|---|---|---|---|---|---|
| 2017 | Achievement | Syngenta Growth Award | Syngenta Australia | Australia | - |
| 2010 | Research Award | Special commendation for a poster by a staff member 2010 | The University of Adelaide | Australia | - |
| 2009 | Research Award | Special commendation for a poster by a staff member 2009 | The University of Adelaide | - | - |
| 1999 | Research Award | The Novartis Crop Protection Research Prize | Novartis/Syngenta | Switzerland | - |
| Language | Competency |
|---|---|
| German | Can speak and understand spoken |
| Greek, Modern (1453-) | Can read, write, speak and understand spoken |
| Date | Institution name | Country | Title |
|---|---|---|---|
| 1992 - 1996 | The University of Adelaide | Australia | Ph.D. |
| 1986 - 1989 | University of Adelaide, Adelaide | Australia | Bachelor Agricultural Science |
| Year | Citation |
|---|---|
| 2025 | Qi, Y., Krishnan, M., Tucker, M., Boutsalis, P., & Preston, C. (2025). An 18 base pair in-frame deletion in the degron tail of IAA2 provides resistance to 2,4-D and dicamba in Brassica tournefortii. Pesticide Biochemistry and Physiology, 213, 6 pages. |
| 2025 | Qi, Y., Krishnan, M., Tucker, M., Boutsalis, P., & Preston, C. (2025). A deletion upstream of the degron of <scp><i>AcIAA27</i></scp> leads to auxinic herbicide resistance in <scp><i>Arctotheca calendula</i></scp>. Pest Management Science, 81(10), 6377-6384. |
| 2025 | Broster, J. C., Boutsalis, P., Gill, G. S., & Preston, C. (2025). Resistance to herbicides in the broadleaf weeds Raphanus raphanistrum, Sisymbrium orientale, and Sonchus oleraceus as determined by random weed surveys in south-eastern Australia. Crop & Pasture Science, 76(7), 8 pages. |
| 2023 | Broster, J. C., Boutsalis, P., Gill, G. S., & Preston, C. (2023). Frequency of herbicide resistance in wild oats (Avena spp.), brome grass (Bromus spp.) and barley grass (Hordeum spp.) as determined by random surveys across south-eastern Australia. Crop and Pasture Science, 74(12), 1193-1200. Scopus4 WoS3 |
| 2022 | Broster, J., Boutsalis, P., Gill, G. S., & Preston, C. (2022). The extent of herbicide resistance in Lolium rigidum Gaud. (annual ryegrass) across south-eastern Australia as determined from random surveys. Crop and Pasture Science, 73(11), 1308-1317. Scopus18 WoS17 |
| 2021 | Barua, R., Boutsalis, P., Kleemann, S., Malone, J., Gill, G., & Preston, C. (2021). Alternative Herbicides for Controlling Herbicide-Resistant Annual Bluegrass (Poa annua L.) in Turf. Agronomy, 11(11), 1-10. Scopus3 WoS3 |
| 2021 | Barua, R., Malone, J., Boutsalis, P., Gill, G., & Preston, C. (2021). Inheritance and mechanism of glyphosate resistance in annual bluegrass (Poa annua L.). Pest Management Science, 78(4), 9 pages. Scopus4 WoS4 Europe PMC2 |
| 2021 | Squires, C. C., Coleman, G. R., Broster, J. C., Preston, C., Boutsalis, P., Owen, M. J., . . . Walsh, M. J. (2021). Increasing the value and efficiency of herbicide resistance surveys.. Pest management science, 77(9), 3881-3889. Scopus17 WoS15 Europe PMC4 |
| 2021 | Brunton, D. J., Boutsalis, P., Gill, G., & Preston, C. (2021). Inheritance of evolved thiocarbamate resistance in Rigid Ryegrass (Lolium rigidum) populations from Australia. Weed Science, 69(6), 642-647. Scopus1 WoS1 |
| 2020 | Nguyen, H., Malone, J., Boutsalis, P., & Preston, C. (2020). Genetic diversity of glyphosate resistant Echinochloa colona in Australia. Journal of Research in Weed Science, 3(2), 145-161. |
| 2020 | Brunton, D. J., Boutsalis, P., Gill, G., & Preston, C. (2020). Control of thiocarbamate-resistant rigid ryegrass (Lolium rigidum) in wheat in southern Australia. Weed Technology, 34(1), 19-24. Scopus11 WoS9 |
| 2020 | Barua, R., Preston, C., Malone, J., Gill, G., & Boutsalis, P. (2020). Incidence of multiple herbicide resistance in annual bluegrass (Poa annua) across southeastern Australia. Weed Science, 68(4), 340-347. Scopus14 WoS14 Europe PMC3 |
| 2020 | Brunton, D. J., Boutsalis, P., Gill, G., & Preston, C. (2020). Varying responses of field-selected herbicide-resistant rigid ryegrass (Lolium rigidum) populations to combinations of phorate with PPI herbicides. WEED SCIENCE, 68(4), 367-372. Scopus8 WoS9 |
| 2020 | Busi, R., Goggin, D. E., Onofri, A., Boutsalis, P., Preston, C., Powles, S. B., & Beckie, H. J. (2020). Loss of trifluralin metabolic resistance in Lolium rigidum plants exposed to prosulfocarb recurrent selection. Pest management science, 76(12), 3926-3934. Scopus5 WoS4 Europe PMC5 |
| 2019 | Long, W., Malone, J., Boutsalis, P., & Preston, C. (2019). Diversity and extent of mutations endowing resistance to the acetolactate synthase (AHAS)-inhibiting herbicides in Indian hedge mustard (Sisymbrium orientale)populations in Australia. Pesticide Biochemistry and Physiology, 157, 53-59. Scopus13 WoS10 Europe PMC6 |
| 2019 | Brunton, D. J., Boutsalis, P., Gill, G., & Preston, C. (2019). Resistance to very-long-chain fatty-acid (VLCFA)- inhibiting herbicides in multiple field-selected rigid ryegrass( Lolium rigidum) populations. Weed Science, 67(3), 267-272. Scopus24 WoS22 |
| 2019 | Nguyen, H., Malone, J., Krishnan, M., Boutsalis, P., & Preston, C. (2019). Inheritance of glyphosate resistance in Echinochloa colona from Australia. Journal of Research in Weed Science, 2(4), 310-331. |
| 2018 | Dang, H., Malone, J., Boutsalis, P., Krishnan, M., Gill, G., & Preston, C. (2018). Reduced translocation in 2,4-D-resistant oriental mustard populations (Sisymbrium orientale L.) from Australia. Pest management science, 74(6), 1524-1532. Scopus30 WoS32 Europe PMC19 |
| 2018 | Dang, H. T., Malone, J. M., Boutsalis, P., Gill, G., & Preston, C. (2018). The Mechanism of Diflufenican Resistance and its Inheritance in Oriental Mustard (Sisymbrium orientale L.) from Australia. Pest Management Science, 74(6), 1279-1285. Scopus12 WoS12 Europe PMC7 |
| 2018 | Brunton, D. J., Boutsalis, P., Gill, G., & Preston, C. (2018). Resistance to multiple PRE herbicides in a field-evolved rigid ryegrass (Lolium rigidum) population. Weed Science, 66(5), 581-585. Scopus27 WoS26 |
| 2017 | Shergill, L., Malone, J., Boutsalis, P., Preston, C., & Gill, G. (2017). Basis of ACCase and ALS inhibitor resistance in Hordeum glaucum Steud. Pest Management Science, 73(8), 1638-1647. Scopus16 WoS15 Europe PMC8 |
| 2017 | Ngo, T. D., Krishnan, M., Boutsalis, P., Gill, G., & Preston, C. (2017). Target-site mutations conferring resistance to glyphosate in feathertop Rhodes grass (Chloris virgata) populations in Australia. Pest Management Science, 74(5), 1094-1100. Scopus47 WoS42 Europe PMC23 |
| 2017 | Ngo, T., Malone, J., Boutsalis, P., Gill, G., & Preston, C. (2017). EPSPS gene amplification conferring resistance to glyphosate in windmill grass (Chloris truncata) in Australia. Pest Management Science, 74(5), 1101-1108. Scopus63 WoS60 Europe PMC37 |
| 2017 | Ngo, T. D., Boutsalis, P., Preston, C., & Gill, G. (2017). Plant development and seed biology of windmillgrass (Chloris truncata) in southern Australia. Weed Science, 65(3), 395-405. Scopus9 WoS9 Europe PMC2 |
| 2017 | Ngo, D., Boutsalis, P., Preston, C., & Gill, G. (2017). Growth, development, and seed biology of feather fingergrass (chloris virgata) in southern Australia. Weed Science, 65(3), 413-425. Scopus26 WoS24 Europe PMC3 |
| 2017 | Dang, H., Malone, J., Boutsalis, P., Gill, G., & Preston, C. (2017). Identification of a target-site mutation conferring resistance to triazine herbicides in oriental mustard (Sisymbrium orientale L.) from Australia. Weed Biology and Management, 17(4), 153-160. Scopus14 WoS13 Europe PMC4 |
| 2017 | Shergill, L., Malone, J., Boutsalis, P., Preston, C., & Gill, G. (2017). Inheritance of quizalofop resistance in a smooth barley biotype from South Australia. Agronomy Journal, 109(6), 2820-2827. Scopus2 WoS2 |
| 2016 | Malone, J., Morran, S., Shirley, N., Boutsalis, P., & Preston, C. (2016). EPSPS gene amplification in glyphosate-resistant Bromus diandrus. Pest management science, 72(1), 81-88. Scopus89 WoS86 Europe PMC52 |
| 2016 | Nguyen, T., Malone, J., Boutsalis, P., Shirley, N., & Preston, C. (2016). Temperature influences the level of glyphosate resistance in barnyardgrass (Echinochloa colona). Pest Management Science, 72(5), 1031-1039. Scopus46 WoS42 Europe PMC16 |
| 2016 | Kleemann, S., Boutsalis, P., Gill, G., & Preston, C. (2016). Applications of pre-emergent pyroxasulfone, flufenacet and their mixtures with triallate for the control of Bromus diandrus (ripgut brome) in no-till wheat (Triticum aestivum) crops of southern Australia. Crop Protection, 80, 144-148. Scopus13 WoS11 |
| 2016 | Shergill, L., Boutsalis, P., Preston, C., & Gill, G. (2016). Fitness costs associated with 1781 and 2041 ACCase-mutant alleles conferring resistance to herbicides in Hordeum glaucum Steud. Crop Protection, 87, 60-67. Scopus18 WoS17 Europe PMC3 |
| 2015 | Shergill, L., Malone, J., Boutsalis, P., Preston, C., & Gill, G. (2015). Target-site point mutations conferring resistance to ACCase-inhibiting herbicides in smooth barley (Hordeum glaucum) and hare barley (Hordeum leporinum). Weed Science, 63(2), 408-415. Scopus15 WoS15 Europe PMC7 |
| 2014 | Boutsalis, P., Gill, G., & Preston, C. (2014). Control of rigid ryegrass in australian wheat production with pyroxasulfone. Weed Technology, 28(2), 332-339. Scopus44 WoS42 Europe PMC11 |
| 2014 | Adu-Yeboah, P., Boutsalis, P., Hooper, P., Gill, G., & Preston, C. (2014). Use of alternative herbicide mixtures to manage glyphosate-resistant Lolium rigidum Gaud. along crop margins in South Australia. Crop and Pasture Science, 65(12), 1349-1356. Scopus2 WoS2 |
| 2014 | Malone, J., Boutsalis, P., Baker, J., & Preston, C. (2014). Distribution of herbicide-resistant acetyl-coenzyme A carboxylase alleles in Lolium rigidum across grain cropping areas of South Australia. Weed Research, 54(1), 78-86. Scopus50 WoS48 |
| 2013 | Preston, C., Dolman, F., & Boutsalis, P. (2013). Multiple resistance to acetohydroxyacid synthase-inhibiting and auxinic herbicides in a population of oriental mustard (Sisymbrium orientale). Weed Science, 61(2), 185-192. Scopus20 WoS21 Europe PMC7 |
| 2012 | Boutsalis, P., Gill, G., & Preston, C. (2012). Incidence of herbicide resistance in rigid ryegrass (lolium rigidum) across southeastern Australia. Weed Technology, 26(3), 391-398. Scopus167 WoS154 Europe PMC67 |
| 2012 | Bostamam, Y., Malone, J., Dolman, F., Boutsalis, P., & Preston, C. (2012). Rigid ryegrass (Lolium rigidum) populations containing a target site mutation in EPSPS and reduced glyphosate translocation are more resistant to glyphosate. Weed Science, 60(3), 474-479. Scopus54 WoS53 Europe PMC25 |
| 2009 | Preston, C., Wakelin, A., Dolman, F., Bostamam, Y., & Boutsalis, P. (2009). A decade of glyphosate-resistant Lolium around the world: Mechanisms, genes, fitness, and agronomic management. Weed Science, 57(4), 435-441. Scopus125 WoS121 Europe PMC61 |
| 2001 | BOUTSALIS, P. (2001). Syngenta Quick-Test: A Rapid Whole-Plant Test for Herbicide Resistance<sup>1</sup>. Weed Technology, 15(2), 257-263. |
| 1999 | Boutsalis, P., Karotam, J., & Powles, S. B. (1999). Molecular basis of resistance to acetolactate synthase-inhibiting herbicides in Sisymbrium orientale and Brassica tournefortii. Pesticide Science, 55(5), 507-516. Scopus109 |
| 1998 | Boutsalis, P., & Powles, S. B. (1998). Seedbank characteristics of herbicide-resistant and susceptible Sisymbrium orientale. Weed Research, 38(5), 389-395. Scopus17 |
| 1995 | Boutsalis, P., & Powles, S. (1995). Resistance of dicot weeds to acetolactate synthase (ALS)-inhibiting herbicides in Australia. Weed Research, 35(3), 149-155. Scopus31 |
| 1995 | Boutsalis, P., & Powles, S. (1995). Inheritance and mechanisms of resistance to herbicides inhibiting acetolacate synthase in Sonchus oleraceus L.. Theoretical and Applied Genetics, 91(2), 242-247. Scopus43 |
| Year | Citation |
|---|---|
| 2007 | Muehlebach, M., Brunner, H. G., Cederbaum, F., Maetzke, T., Mutti, R., Schnyder, A., . . . Quadranti, M. (2007). Discovery and SAR of Pinoxaden: A New Broad Spectrum, Postemergence Cereal Herbicide. In Pesticide Chemistry Crop Protection Public Health Environmental Safety (pp. 101-110). Wiley. DOI Scopus14 |
| Year | Citation |
|---|---|
| 2020 | Brunton, D., Boutsalis, P., Gill, G., & Preston, C. (2020). Unexpected Resistance Evolution to a Carotenoid Biosynthesis Inhibiting Herbicide in Field Selected Cross-Resistant Rigid Ryegrass (Lolium rigidum) Populations from Australia.. In 60th Joint Meeting 2020 Program. Hawaii. |
| 2018 | Brunton, D., Fleet, B., Boutsalis, P., Malone, J., & Preston, C. (2018). What roles for metabolism-based resistance to pre-emergent herbicides in Lolium rigidum. In ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY Vol. 256 (pp. 1 page). Boston, MA: AMER CHEMICAL SOC. |
| 2018 | Brunton, D., Boutsalis, P., Gill, G., & Preston, C. (2018). Control of thiocarbamate resistant annual ryegrass (Lolium rigidum) in lentils (Lens culinaris) in southern Australia. In 21st Australasian Weeds Conference Proceedings (pp. 12-15). online: AWC. |
| 2018 | Merriam, A., Boutsalis, P., Malone, J., Gill, G., & Preston, C. (2018). Extent of herbicide resistant common sowthistle (Sonchus oleraceus) in southern Australia. In Proceedings of the 21st Australasian Weeds Conference (pp. 16-19). online: AWC. |
| 2010 | Malone, J. M., Boutsalis, P., & Preston, C. (2010). Spread of herbicide resistance alleles in Lolium rigidum Gaud. (annual ryegrass).. In Proceedings of the 17th Australasian Weeds Conference: New Frontiers in New Zealand: Together we can beat the weeds. (pp. 258-261). Christchurch, New Zealand: New Zealand Plant Protection Society. |
| 2010 | Boutsalis, P., Gill, G. S., & Preston, C. (2010). New mode of action herbicides to combat herbicide resistant annual ryegrass (Lolium rigidum) in Australian cereal production.. In Proceedings of the 17th Australasian Weeds Conference: New Frontiers in New Zealand: Together we can beat the weeds. (pp. 278-280). Christchurch, New Zealand: New Zealand Plant Protection Society. |
| 2006 | Boutsalis, P., & Preston, C. (2006). Resistance to acetyl-Coenzyme A carboxylase (ACCase)-inhibiting herbicides in Bromus spp. in Australia. In C. Preston, J. Watts, & N. Crossman (Eds.), 15th Australian Weeds Conference: Papers and Proceedings (pp. 538-540). Adelaide, South Australia: Weed Management Society of South Australia. |
| 2006 | Boutsalis, P., Preston, C., & Broster, J. (2006). Management of trifluralin resistance in annual ryegrass (Lolium rigidum Gaudin) in southern Australia. In C. Preston, J. Watts, & N. Crossman (Eds.), 15th Australian Weeds Conference: Papers and Proceedings (pp. 507-510). Adelaide, South Australia: Weed Management Society of South Australia. |
| Date | Role | Research Topic | Program | Degree Type | Student Load | Student Name |
|---|---|---|---|---|---|---|
| 2022 | Co-Supervisor | Developing novel strategies to monitor and combat herbicide resistance | Doctor of Philosophy | Doctorate | Full Time | Ms Sreshtha Malik |
| 2022 | Co-Supervisor | Developing novel strategies to monitor and combat herbicide resistance | Doctor of Philosophy | Doctorate | Full Time | Ms Sreshtha Malik |
| Date | Role | Research Topic | Program | Degree Type | Student Load | Student Name |
|---|---|---|---|---|---|---|
| 2018 - 2021 | Co-Supervisor | Herbicide Resistance in Annual Bluegrass (Poa annua L.) and its Management | Doctor of Philosophy | Doctorate | Full Time | Mr Rajesh Barua |
| 2016 - 2021 | Co-Supervisor | Thiocarbamate Resistance in Annual Ryegrass (Lolium Rigidum) from Southern Australia | Doctor of Philosophy | Doctorate | Full Time | Mr David John Brunton |
| 2013 - 2017 | Co-Supervisor | Biology and glyphosate resistance in Chloris truncata (windmill grass) and Chloris virgata (feathertop Rhodes grass) in southern Australia | Doctor of Philosophy | Doctorate | Full Time | Mr Duc The Ngo |
| 2012 - 2016 | Co-Supervisor | Characterisation and Management of Herbicide Resistance in Barley Grass (Hordeum glaucum Steud.) | Doctor of Philosophy | Doctorate | Full Time | Mr Lovreet Singh Shergill |
| 2011 - 2015 | Co-Supervisor | Evolution and spread of glyphosate resistant barnyard grass (Echinochloa colona (L.) Link) | Doctor of Philosophy | Doctorate | Full Time | Mr Hoan Thai Nguyen |
| 2008 - 2010 | Co-Supervisor | Glyphosate resistance in Annual Ryegrass (Lolium Rigidum Gaud.) with Multiple Resistance Mechanisms | Master of Agricultural Science | Master | Full Time | Mr Yazid Bostamam |
