Dr Jack Christopher
Senior Research Fellow
Centre for Crop Science
+61 7 4639 8813
Journal Articles
Fletcher, Andrew, Christopher, Jack, Hunter, Mal, Rebetzke, Greg and Chenu, Karine (2018) A low-cost method to rapidly and accurately screen for transpiration efficiency in wheat. Plant Methods, 14 1: 77. doi:10.1186/s13007-018-0339-y
An-Vo, Duc-Anh, Mushtaq, Shahbaz, Zheng, Bangyou, Christopher, Jack T., Chapman, Scott C. and Chenu, Karine (2018) Direct and indirect costs of frost in the Australian wheatbelt. Ecological Economics, 150 122-136. doi:10.1016/j.ecolecon.2018.04.008
Alahmad, Samir, Dinglasan, Eric, Leung, Kung Ming, Riaz, Adnan, Derbal, Nora, Voss-Fels, Kai P., Able, Jason A., Bassi, Filippo M., Christopher, Jack and Hickey, Lee T. (2018) Speed breeding for multiple quantitative traits in durum wheat. Plant Methods, 14 1: 36. doi:10.1186/s13007-018-0302-y
Anzooman, Monia, Christopher, Jack, Mumford, Michael, Dang, Yash P., Menzies, Neal W. and Kopittke, Peter M. (2018) Selection for rapid germination and emergence may improve wheat seedling establishment in the presence of soil surface crusts. Plant and Soil, 426 1-2: 227-239. doi:10.1007/s11104-018-3609-6
Richard, Cecile, Christopher, Jack, Chenu, Karine, Borrell, Andrew, Christopher, Mandy and Hickey, Lee (2018) Selection in early generations to shift allele frequency for seminal root angle in wheat. Plant Genome, 11 2: . doi:10.3835/plantgenome2017.08.0071
Anzooman, Monia, Dang, Yash P., Christopher, Jack, Mumford, Michael H., Menzies, Neal W. and Kopittke, Peter M. (2018) Greater emergence force and hypocotyl cross sectional area may improve wheat seedling emergence in sodic conditions. Plant Science, . doi:10.1016/j.plantsci.2018.09.007
Christopher, Mandy, Chenu, Karine, Jennings, Raeleen, Fletcher, Susan, Butler, David, Borrell, Andrew and Christopher, Jack (2017) QTL for stay-green traits in wheat in well-watered and water-limited environments. Field Crops Research, 217 32-44. doi:10.1016/j.fcr.2017.11.003
Voss-Fels, Kai P., Robinson, Hannah, Mudge, Stephen R., Richard, Cecile, Newman, Saul, Wittkop, Benjamin, Stahl, Andreas, Friedt, Wolfgang, Frisch, Matthias, Gabur, Iulian, Miller-Cooper, Anika, Campbell, Bradley C., Kelly, Alison, Fox, Glen, Christopher, Jack, Christopher, Mandy, Chenu, Karine, Franckowiak, Jerome, Mace, Emma S., Borrell, Andrew K., Eagles, Howard, Jordan, David R., Botella, Jose R., Hammer, Graeme, Godwin, Ian D., Trevaskis, Ben, Snowdon, Rod J. and Hickey, Lee T. (2017) VERNALIZATION1 modulates root system architecture in wheat and barley. Molecular Plant, 11 1: 226-229. doi:10.1016/j.molp.2017.10.005
Mushtaqa,Shahbaz , Frederiks, Troy M. , An-Vo, Duc-Anh , Christopher, Mandy , Zheng, Bangyou , Chenu, Karine , Chapman, Scott C. , Christopher, Jack T. , Stone, Roger C. and Alam, G.M. Monirul (2017) Economic assessment of wheat breeding options for potential improved levels of post head-emergence frost tolerance. Field Crops Research, 213 75-88. doi:10.1016/j.fcr.2017.07.021
Khodadadi, Mostafa, Dehghani, Hamid, Jalali Javaran, Mokhtar and Christopher, Jack T. (2016) Fruit yield, fatty and essential oils content genetics in coriander. Industrial Crops and Products, 94 72-81. doi:10.1016/j.indcrop.2016.08.030
Dang, Yash P, Christopher, Jack T. and Dalal, Ram C. (2016) Genetic diversity in barley and wheat for tolerance to soil constraints. Agronomy, 6 4: 55. doi:10.3390/agronomy6040055
Christopher, John T., Christopher, Mandy J. , Borrell, Andrew K. , Fletcher, Susan and Chenu, Karine (2016) Stay-green traits to improve wheat adaptation in well-watered and water-limited environments. Journal of Experimental Botany, 67 17: 5159-5172. doi:10.1093/jxb/erw276
Khodadadi, Mostafa, Dehghani, Hamid, Jalali-Javaran, Mohktar, Rashidi-Monfared, Sajad and Christopher, Jack T. (2016) Numerical and graphical assessment of relationships between traits of the Iranian Coriandrum sativum L. core collection by considering genotype × irrigation interaction. Scientia Horticulturae, 200 73-82. doi:10.1016/j.scienta.2016.01.003
Rich, Sarah M., Wasson, Anton P., Richards, Richard A., Katore, Trushna, Prashar, Renu, Chowdhary, Ritika, Saxena, D. C., Mamrutha, H. M., Zwart, Alec, Misra, S. C., Sai Prasad, S. V., Chatrath, R., Christopher, Jack and Watt, Michelle (2016) Wheats developed for high yield on stored soil moisture have deep vigorous root systems. Functional Plant Biology, 43 2: 173-188. doi:10.1071/FP15182
Gous, Peter W., Hickey, Lee, Christopher, Jack T., Franckowiak, Jerome. and Fox, Glen P. (2015) Discovery of QTL for stay-green and heat-stress in barley (Hordeum vulgare) grown under simulated abiotic stress conditions. Euphytica, 207 2: 305-317. doi:10.1007/s10681-015-1542-9
Zheng, Bangyou, Chapman, Scott C., Christopher, Jack T., Frederiks, Troy M. and Chenu, Karine (2015) Frost trends and their estimated impact on yield in the Australian wheatbelt. Journal of Experimental Botany, 66 12: 3611-3623. doi:10.1093/jxb/erv163
Frederiks, T. M., Christopher, J. T., Sutherland, M. W. and Borrell, A. K. (2015) Post-head-emergence frost in wheat and barley: defining the problem, assessing the damage, and identifying resistance. Journal of Experimental Botany, 66 12: 3487-3498. doi:10.1093/jxb/erv088
Richard, Cecile A. I., Hickey, Lee T., Fletcher, Susan, Jennings, Raeleen, Chenu, Karine and Christopher, Jack T. (2015) High-throughput phenotyping of seminal root traits in wheat. Plant Methods, 11 13: 1-11. doi:10.1186/s13007-015-0055-9
Christopher, Jack, Richard, Cecile, Chenu, Karine, Christopher, Mandy, Borrell, Andrew and Hickey, Lee (2015) Integrating rapid phenotyping and speed breeding to improve stay-green and root adaptation of wheat in changing, water-limited, Australian environments. Procedia Environmental Sciences, 29 175-176. doi:10.1016/j.proenv.2015.07.246
Richard, Cecile, Hickey, Lee, Fletcher, Susan, Chenu, Karine, Borrell, Andrew and Christopher, Jack (2015) High-throughput phenotyping of wheat seminal root traits in a breeding context. Procedia Environmental Sciences, 29 102-103. doi:10.1016/j.proenv.2015.07.179
Zheng, Bangyou, Chapman, Scott, Christopher, Jack, Frederiks, Troy and Chenu, Karine (2015) Frost trends and their estimated impact on yield in the Australian wheatbelt. Procedia Environmental Sciences, 29 29: 171-172. doi:10.1016/j.proenv.2015.07.244
Wasson, A. P., Rebetzke, G. J., Kirkegaard, J. A., Christopher, J., Richards, R. A. and Watt, M. (2014) Soil coring at multiple field environments can directly quantify variation in deep root traits to select wheat genotypes for breeding. Journal of Experimental Botany, 65 21: 6231-6249. doi:10.1093/jxb/eru250
Christopher, Jack, Christopher, Mandy, Jennings, Raeleen, Jones, Shirley, Fletcher, Susan, Borrell, Andrew, Manschadi, Ahmad M., Jordan, David, Mace, Emma and Hammer, Graeme (2013) QTL for root angle and number in a population developed from bread wheats (Triticum aestivum) with contrasting adaptation to water-limited environments. Theoretical and Applied Genetics, 126 6: 1563-1574. doi:10.1007/s00122-013-2074-0
Christopher, Jack, Christopher, Mandy, Jennings, Raeleen, Jones, Shirley, Fletcher, Susan, Borrell, Andrew, Manschadi, Ahmad M., Jordan, David, Mace, Emma and Hammer, Graeme (2013) QTL for root angle and number in a population developed from bread wheats (Triticum aestivum) with contrasting adaptation to water-limited environments. Theoretical and Applied Genetics, 126 6: 1563-1574. doi:10.1007/s00122-013-2074-0
Dreccer, M. Fernanda, Chapman, Scott C., Rattey, Allan R., Neal, Jodi, Song, Youhong, Christopher, John (Jack) T. and Reynolds, Matthew (2013) Developmental and growth controls of tillering and water-soluble carbohydrate accumulation in contrasting wheat (Triticum aestivum L.) genotypes: can we dissect them?. Journal of Experimental Botany, 64 1: 143-160. doi:10.1093/jxb/ers317
Frederiks, T. M., Christopher, J. T., Harvey, G. L., Sutherland, M. W. and Borrell, A. K. (2012) Current and emerging screening methods to identify post-head-emergence frost adaptation in wheat and barley. Journal of Experimental Botany, 63 15: 5405-5416. doi:10.1093/jxb/ers215
Wasson, A.P., Richards, R.A., Chatrath, R., Misra, S.C., Prasad, S.V.S., Rebetzke, G.J., Kirkegaard, J.A., Christopher, J. and Watt, M. (2012) Traits and selection strategies to improve root systems and water uptake in water-limited wheat crops. Journal of Experimental Botany, 63 9: 3485-3498. doi:10.1093/jxb/ers111
Frederiks, Troy, Christopher, John, Fletcher, Susan and Borrell, Andrew (2011) Post head-emergence frost resistance of barley genotypes in the northern grain region of Australia. Crop and Pasture Science, 62 9: 736-745. doi:10.1071/CP11079
Manschadi, A. M., Christopher, J. T., Hammer, G. L. and Devoil, P. (2010) Experimental and modelling studies of drought-adaptive root architectural traits in wheat (Triticum aestivum L.). Plant Biosystems, 144 2: 458-462. doi:10.1080/11263501003731805
Christopher, J.T. and Dang, Y. (2009) Superior performance in the presence of sub-soil constraints and under water constraints is associated in certain wheat genotypes. SABRAO Journal of Breeding and Genetics, 41 .
ChristopherJT, ManschadiAM, HammerGL, BorrellAK and JennyCFegent (2008) Developmental and physiological traits associated with high yield and stay-green phenotype in wheat. Australian Journal of Agicultural Research, 59 4: 354-364. doi:10.1071/AR07193
ManschadiAhmadM, HammerGraemeL, Christopher, John T., deVoilPeter and HansLambers (2008) Genotypic variation in seedling root architectural traits and implications for drought adaptation in wheat (Triticum aestivum L.). Plant and Soil, 303 1-2: 115-129. doi:10.1007/s11104-007-9492-1
Fuller, Michael P., Fuller, Andrew M., Kaniouras, Spyridon, Christopher, Jack and Frederiks, Troy (2007) The freezing characteristics of wheat at ear emergence. European Journal of Agronomy, 26 4: 435-441. doi:10.1016/j.eja.2007.01.001
Manschadi, A. M., Christopher, J., Devoil, P. and Hammer, G. L. (2006) The role of root architectural traits in adaptation of wheat to water-limited environments. Functional Plant Biology, 33 9: 823-837. doi:10.1071/FP06055
Bundock, PC, Christopher, JT, Eggler, P, Ablett, G, Henry, RJ and Holton, TA (2003) Single nucleotide polymorphisms in cytochrome P450 genes from barley. THEORETICAL AND APPLIED GENETICS, 106 4: 676-682. doi:10.1002/s00122-002-1116-9
HoltonTA, Christopher, JT, McClureL, HarkerN and HenryRJ (2002) Identification and mapping of polymorphic SSR markers from expressed gene sequences of barley and wheat. MOLECULAR BREEDING, 9 2: 63-71. doi:10.1023/A:1026785207878
Christopher, John T. and Holtum, Joseph A. M. (1998) The dicotyledonous species Erodium moschatum (L) L'Her. ex Aiton is sensitive to haloxyfop herbicide due to herbicide-sensitive acetyl-coenzyme A carboxylase. Planta, 207 2: 275-279. doi:10.1007/s004250050483
Christopher, John T. and Holtum, Joseph A. M. (1998) Carbohydrate partitioning in the leaves of Bromeliaceae performing C-3 photosynthesis or Crassulacean acid metabolism. Australian Journal of Plant Physiology, 25 3: 371-376.
Christopher, John T. and Holtum, Joseph A. M. (1996) Patterns of carbon partitioning in leaves of Crassulacean acid metabolism species during deacidification. Plant Physiology, 112 1: 393-399.
Preston, Christopher, Tardif, François J., Christopher, John T. and Powles, Stephen B. (1996) Multiple resistance to dissimilar herbicide chemistries in a biotype of Lolium rigidum due to enhanced activity of several herbicide degrading enzymes. Pesticide Biochemistry and Physiology, 54 2: 123-134. doi:10.1006/pest.1996.0016
Christopher, J. T., Preston, C. and Powles, S. B. (1994) Malathion antagonizes metabolism-based chlorsulfuron resistance in Loliumrigidum. Pesticide Biochemistry and Physiology, 49 3: 172-182. doi:10.1006/pest.1994.1045
Christopher, John T., Powles, Stephen B. and Holtum, Joseph A. M. (1992) Resistance to acetolactate synthase-inhibiting herbicides in annual ryegrass (Lolium rigidum) involves at least two mechanisms. Plant Physiology, 100 4: 1909-1913. doi:10.1104/pp.100.4.1909
Conference Papers
Chenu, K., Fetcher, A., Vazquez-Carrasquer, V. and Christopher, J. T. (2017). Agriculture and climate change conference. In: Agriculture and Climate Change Conference, Sitges, Spain, (). 26-28 March 2017.
Vazquez-Carrasquer, V., Christopher, J. T. and Chenu, K. (2017). Agriculture and climate change conference. In: Agriculture and Climate Change Conference, Sitges, Spain, (). 26-28 March 2017.
Christopher, J. T., Richard, C., Veyradier, M., Christopher, M., Borrell, A. K., Hickey, L. and Chenu, K. (2017). Increasing genetic progress for wheat adaptation to water-limited environments by integrating novel phenotyping for stay-green and root traits, crop modelling and nested association mapping populations. In: Interdrought-V, Hyderabad, India, (). 21-25 February 2017.
Borrell, A. K., George-Jaeggli, B., van Oosterom, E. J., Mace, E. S., Jordan, D. R., Kassahun, B., Matiwos, T., Vadez, V., Talwar, H., Christopher, J. T., Chenu, K., Richard, C., Robinson, H., Hickey, L., Nagothu, S. U. and Hammer, G. L. (2017). Adapting cereals to drought: genetic and management solutions. In: Trop Ag 2017 Book of poster abstracts. TropAg2017, International Tropical Agriculture Conference, Brisbane, Australia, (123-123). 20-22 November 2017.
Fletcher, Andrew, Christopher, Jack and Chenu, Karine (2017). Does trial duration affect transpiration efficiency estimates for wheat?. In: Proceedings of the 18th Australian Society of Agronomy Conference. 18th Australian Society of Agronomy Conference, Ballarat, VIC Australia, (). 24-28 September 2017.
Christopher, J. T., Richard, C., Christopher, M. J., Borrell, A. K., Hickey, L. and Chenu, K. (2017). Speeding genetic progress for wheat adaptation to water-limited environments by integrating novel phenotyping for stay-green and root traits, crop modelling and nested association mapping populations. In: TropAg2017, International Tropical Agriculture Conference, Brisbane, Australia, (). 20-22 November 2017.
Chenu, K., Fletcher, A., Vazquez-Carrasquer, V. and Christopher, J. T. (2017). How to improve drought adaptation in wheat?. In: Trop Ag 2017 Book of poster abstracts. TropAg2017, International Tropical Agriculture Conference, Brisbane, Australia, (25-25). 20-22 November 2017.
Fletcher, A., Christopher, J. T. and Chenu, K. (2017). Shorter trials to increase screening throughput for transpiration efficiency in wheat. In: Trop Ag 2017 Book of poster abstracts. TropAg2017, International Tropical Agriculture Conference, Brisbane, Australia, (32-32). 20-22 November 2017.
Vazquez-Carrasquer, V., Christopher, J. T. and Chenu, K. (2016). Effects of temperature on seedling root traits – Testing a new high-throughput phenotyping system in wheat. In: Combio Conference, Brisbane, Australia, (). 3-7 October 2016.
Vazquez-Carrasquer, V., Christopher, J. and Chenu, K. (2016). Impact of soil temperature on seedling roots in wheat. In: 7th International Crop Science Congress, Beijing, China, (). 14-19 August 2016.
Christopher, J. T., Richard, C., Veyradier, M., Hickey, L., Christopher, M., Borrell, A. K. and Chenu, K. (2016). Stay-green and root trait physiology combined with crop modelling to improve crop adaptation. In: ComBio Conference 2016 Symposium Abstracts. ComBio Conference, Brisbane, QLD Australia, (75-75). 3-7 October 2016.
Christopher, J., Richard, C., Chenu, K., Christopher, M., Borrell, A. and Hickey, L. (2016). Rapid phenotyping combined with speed breeding to improve stay-green and root adaptation of wheat in water-limited environments. In: 7th International Crop Science Congress: Abstracts. 7th International Crop Science Congress, Beijiing, China, (). 14-19 August 2016.
Chenu, K., Fletcher, A., Vazquez-Carrasquer, V. and Christopher, J. T. (2016). Historical improvement in drought adaptation of Australian wheat varieties has coincided with changes in biomass partitioning, transpiration efficiency and root architecture. In: ComBio Conference 2016 Symposium Abstracts. ComBio Conference, Brisbane, Australia, (40-40). 3-7 October 2016.
Chenu, Karine, Chapman, Scott, Tardieu, Francois, Casadebaig, Pierre, Christopher, Jack and Hammer, Graeme (2016). Bottom-up and top-down approaches – The value of modelling in trait dissection and phenotypic prediction. In: Hortimodel 2016, Avignon, France, (). 19-22 September 2016.
Chenu, K., Casadebaig, P. and Christopher, J. (2016). From a global sensitivity analysis of a crop model to wheat improvement in the field. In: Frank Ewert, Kenneth J. Boote, Reimund P. Rötter, Peter Thorburn and Claas Nendel, International Crop Modelling Symposium Crop Modelling for Agriculture and Food Security under Global Change. International Crop Modelling Symposium iCROPM2016, Berlin, Germany, (39-40). 15-17 March 2016.
Christopher, J., Richard, C., Chenu, K., Christopher, M., Borrell, A. and Hickey, L. (2015). Integrating Rapid Phenotyping and Speed Breeding to Improve Stay-Green and Root Adaptation of Wheat in Changing, Water-Limited, Australian Environments. In: Agriculture and Climate Change conference, Amsterdam, The Netherlands, (175-176). 15-17 February 2015.
Christopher, J., Richard, C., Chenu, K., Christopher, C., Borrell, A. and Hickey, L. (2015). Rapid phenotyping combined with speed-breeding to improve root adaptation of wheat in water-limited environments. In: 9th Symposium for the International Society of Root Research, Canberra, Australia, (). 6-9 October 2015.
Zheng, Bangyou, Chapman, Scott, Christopher, Jack, Frederiks, Troy and Chenu, Karine (2015). Predicting heading date and frost impact in wheat across Australia. In: Tina Botwright Acuña, Matthew Harrison, Carina Moelle and David Parsons, Building Productive, Diverse and Sustainable Landscapes: Proceedings of 17th Agronomy Conference 2015. 17th Australian Agronomy Conference, Hobart, Australia, (422-429). 20-24 September 2015.
Richard, C., Hickey, L., Chenu, K. and Christopher, J. (2014). High-throughput phenotyping for seminal root angle in wheat in a breeding context. In: 15th Australasian Plant Breeding Conference, St Kilda, VIC, Australia, (). 26-29 October 2014.
Christopher, J., Chenu, K., Jennings, R., Harvey, G. and Fletcher, S. (2014). Phenotyping stay-green to improve yield in Australian cropping environments. In: 15th Australasian Plant Breeding Conference, St Kilda, VIC, Australia, (). 26-29 October 2014.
Christopher, John T., Veyradier, Mathieu, Borrell, Andrew K., Harvey, Greg, Fletcher, Susan and Chenu, Karine (2014). Phenotyping novel stay-green traits to capture genetic variation in senescence dynamics. In: Interdrought IV. Interdrought IV Conference, Perth, WA Australia, (1035-1048). 2–6 September 2013. doi:10.1071/FP14052
Borrell, A. K., Christopher, J. T., Veyradier, M., Harvey, G., Fletcher, S., Christopher, M., Jennings, R., Hammer, G. L. and Chenu, K. (2013). Fine-mapping candidates for 'stay-green' in sorghum reveals genes associated with canopy development and root growth. In: ID4: InterDrought-IV Conference 2013. The 4th International Conference on Integrated Approaches to Improve Crop Production under Drought-Prone Environments, Burswood, WA, Australia, (). 2-6 September, 2013.
Christopher, Jack, Chenu, Karine, Veyradier, Mathieu, Christopher, Mandy, Jennings, Raeleen, Harvey, Greg, Fletcher, Susan and Borrell, Andrew (2013). Stay-green traits in wheat are linked to yield in well-watered environments. In: Wheat Breeders Assembly Brisbane 2013: Program and Abstracts. WBA2013: Wheat Breeders Assembly 2013, Brisbane, QLD, Australia, (18-18). 16-19 July, 2013.
Frederiks, Troy, Christopher, Jack and Borrell, Andrew (2013). Focusing reproductive cold stress research on the main target. In: Wheat Breeders Assembly Brisbane 2013: Program and Abstracts. WBA2013: Wheat Breeders Assembly 2013, Brisbane, QLD, Australia, (23-23). 16-19 July, 2013.
Veyradier, Mathieu, Christopher, John (Jack) T. and Chenu, Karine (2013). Quantifying the potential yield benefit of root traits in a target population of environments. In: Risto Sievänen, Eero Nikinmaa, Christophe Godin, Anna Lintunen and Pekka Nygren, Proceedings of the 7th International Conference on Functional-Structural Plant Models. 7th International Conference on Functional-Structural Plant Models, Saariselkä, Finland, (316-318). 9-14 June 2013.
Chenu, Karine, Hammer, Graeme, van Oosterom, Erik, Christopher, Jack, McLean, Greg, Doherty, Al and Chapman, Scott (2012). Modelling crop physiology and genetics to simulate Genotype x Management x Environment (GxMxE) interactions. In: APSIM Users and Developers Forum, Canberra, Australia, (). 14 March 2012.
Frederiks, T. M., Christopher, J. T., Harvey, G., Kelly, A. and Borrell, A. K. (2011). Optimising methods of field screening for reproductive frost resistance. In: Proceedings of the Wheat Breeders Assembly, Perth, Australia.. Wheat Breeders Assembly, Perth, Australia, (). 24-26 August 2011.
Frederiks, T.M., Christopher, J.T., Borrell, A.K. and Fletcher, S. (2011). Variation in frost susceptibility of barley (Hordeum vulgare L.) during head-emergence and implications for phenotyping. In: Proceedings of the 9th International Plant Cold Hardiness Seminar (IPCHS), Luxembourg.. 9th International Plant Cold Hardiness Seminar (IPCHS), Luxembourg, Belgium, (). 17-22 July 2011.
Christopher, J. T., Borrell, A. K., Chenu, K., Jennings, R., Harvey, G., Manschadi, A. M. and Hammer, G. L. (2011). Characterising root systems throughout the life cycle to identify adaptive root traits for water-limitation. In: Wheat Breeding Assembly, Perth, Australia, (). 24-26 August 2011.
Chenu, K., Christopher, J. T., McLean, G., Payero, J. O. and Hammer, G. L. (2011). New lysimeter platforms to phenotype daily transpiration over the crop cycle in contrasting wheat lines. In: Wheat Breeding Assembly, Perth, Australia, (). 24-26 August 2011.
Chenu, K., Hammer, G. L., Chapman, S. C., Christopher, J. and McLean, G. (2010). Functional whole-Plant modelling - The missing link between molecular biology and crop improvement?. In: Mathematical Modeling of Plant Development, Columbus, OH, USA, (). 27 September - 1 October 2010.
ManschadiAM, Christopher, J.T., HammerGL and DevoilP (2010). Experimental and modelling studies of drought-adaptive root architectural traits in wheat (Triticum aestivum L.). In: RootRAP 2009. 7th Symposium of the International Society of Root Research, Vienna, Austria, (458-462). 2-4 September, 2009. doi:10.1080/11263501003731805
Christopher, J. T., Manschadi, A., Hammer, G. L. and Borrell, A. K. (2008). Stay-green wheat for Australia's changing, dry environment. In: Proceedings of the 11th International Wheat Genetics Symposium. 11th International Wheat Genetics Symposium, Brisbane, Queensland, (). 24-29 Aug 2008.
Christopher, John T., Borrell, Andrew K., Manschadi, A. M., Hammer, Graeme and Chapman, Scott (2004). Developing high yielding wheat for water limited environments in northern Australia. In: T. Fischer, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell and D. Lloyd, New Directions for a Diverse Planet: Proceedings of the 4th International Crop Science Congress. 4th International Crop Science Congress, Brisbane, Australia, (1-6). 26 September-1 October 2004.
McRae, S. R., Christopher, J. T., Smith, J. A. C. and Holtum, J. A. M. (2002). Sucrose transport across the vacuolar membrane of Ananas comosus. In: 3rd International Congress on Crassulacean Acid Metabolism, Coconut Beach, Australia, (717-724). 24-28 August 2001. doi:10.1071/PP01227
Christopher, John T. and Holtum, Joseph A. M. (2000). Dicotyledons lacking the multisubunit form of the herbicide-target enzyme acetyl coenzyme A carboxylase may be restricted to the family Geraniaceae. In: International Conference on Assimilate Transport and Partitioning (ICATP 99), Newcastle, NSW, Australia, (845-850). 15-20 August 1999.
Christopher, JT and Holtum, JA (1998). Dicotyledons sensitive to herbicides that inhibit acetyl-coenzymea carboxylase. In: G. Garab, Photosynthesis: mechanisms and effects: proceedings of the XIth International Congress on Photosynthesis. XIth International Congress on Photosynthesis, Budapest Hungary, (3917-3920). 17-22August 1998.
Christopher, J. T., Wooley, T. and Holtum, J. A. M. (1995). Carbon partitioning in the leaves of CAM plants. In: Paul Mathis, Photosynthesis: From Light to Biosphere: Proceedings of the Xth International Photosynthesis Congress. Xth International Photosynthesis Congress, Montpellier, France, (655-658). 20-25 August 1995.