Research output per year
Research output per year
Personal profile
Personal profile
After graduating from the University of Adelaide with a BAppSc (Ag) (Hons), John completed a Masters Degree at CSU investigating herbicide resistance in wild oats in southern NSW. Since then he has participated in several herbicide resistance projects including herbicide resistance to knockdown herbicides and herbicide resistance in weeds of rice.
IN 2014 John completed his PhD on the influence of shelter design on new born lamb survival when working as part of the EverGraze research project.
John is the national leader of the GRDC research project determining the extent of herbicide resistance across the cropping region of Australia. He is also the CSU leader of projects investigating the impact of stripper header fronts on stubble micro-climate and another gaining a greater understanding of preventing haystack fires. He also manages the CSU Herbicide Resistance Testing Service and is involved in several other research projects.
Research Interests
- Integrated weed management (MLA)
- Collaboration with University of Western Australia, Australian Herbicide Resistance Initiative (GRDC)
- Rice weeds Resistance Testing (RIRDC)
- Weed management in southern region mixed farming systems – strategies to combat herbicide resistance (GRDC)
Teaching
John lectures on weed management and pesticides into two Plant Protection subjects.
Registered Supervisor
- Yes
Fingerprint
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- 1 Similar Profiles
Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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A review of the biology, distribution, and germination ecology of sticky nightshade (Solanum sisymbriifolium)
Islam, M. S., Broster, J. C., Wu, H. & Asaduzzaman, M., 17 Dec 2025, In: Crop and Pasture Science. 76, 12, p. 1-10 10 p., CP25182.Research output: Contribution to journal › Review article › peer-review
Open AccessFile -
Dystocia mortality incidence in lambs from Australia and New Zealand
Bruce, M., Haslin, E., Clarke, B., Thompson, A., Kenyon, P., Ridler, A., Morris, S., Flay, K., Smith, J., Refshauge, G., Behrendt, R., Robertson, S. M., King, B., Friend, M., Broster, J., Brien, F., Brown, D., Barwell, R. & Jacobson, C., 01 Oct 2025, p. S15-S16. 2 p.Research output: Other contribution to conference › Abstract › peer-review
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Resistance to herbicides in the broadleaf weeds Raphanus raphanistrum, Sisymbrium orientale, and Sonchus oleraceus as determined by random weed surveys in south-eastern Australia
Broster, J. C., Boutsalis, P., Gill, G. S. & Preston, C., Jul 2025, In: Crop and Pasture Science. 76, 7, p. 1-8 8 p., CP25041.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
Assessment of changes in lamb activity before and after lamb marking using accelerometers
McGrath, S., Chapman, J., Broster, J., Allworth, B. & Kelly, G., 06 Mar 2023.Research output: Other contribution to conference › Abstract › peer-review
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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
Broster, J. C., Boutsalis, P., Gill, G. S. & Preston, C., 23 May 2023, In: Crop and Pasture Science. 74, 12, p. 1193-1200 8 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Citations (Scopus)23 Downloads (Pure)
Prizes
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Outstanding paper 2018 - Weed Technology journal
Walsh, M. J. (Recipient), Broster, J. (Recipient) & Powles, S. B. (Recipient), 2019
Prize: External prize
Activities
- 1 Internal HDR Supervision
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PhD "Seed contamination in Australian sheep by barley grass: an analysis of prevalence, economic impact and management"
Weston, L. (Examiner), Kelly, J. (Examiner), Quinn, J. (Examiner), Loukopoulos, P. (Examiner), Broster, J. (Examiner) & Behrendt, K. (Examiner)
03 Mar 2015 → 30 Apr 2020Activity: Supervision/Examination/Mentoring › Internal HDR Supervision
Press/Media
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Charles Sturt University: Innovation and Initiative to Go on Display at Henty Machinery Field Days
Smith, M., Wassens, S., Quinn, J., McGrath, S., Kelly, J., Broster, J. & McCormick, J.
01/08/22
1 item of Media coverage
Press/Media: Press / Media
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CSU research finalist in Eureka Prize
Friend, M., Robertson, S., King, B., Broster, J., Southwell, A., Condon, J., Glyde, S. & Eberbach, P.
08/08/14
1 Media contribution
Press/Media: Press / Media
Impacts
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EverGraze – increasing livestock productivity and environmental sustainability through perennial pastures
Friend, M. (Creator), Condon, J. (Creator), Eberbach, P. (Creator), Robertson, S. (Creator), Virgona, J. (Creator), Broster, J. (Creator), Southwell, A. (Creator) & Hume, I. (Creator)
Impact: Economic Impact, Environmental Impact