Items where Author is "Hammer, Graeme L."

Article

Wu, A., Brider, J., Busch, F. A., Chen, M., Chenu, K., Clarke, V. C., Collins, B., Ermakova, M., Evans, J. R., Farquhar, G. D., Forster, B., Furbank, R. T., Groszmann, M., Hernandez-Prieto, M. A., Long, B. M., Mclean, G., Potgieter, A., Price, G. D., Sharwood, R. E., Stower, M., van Oosterom, E., von Caemmerer, S., Whitney, S. M. and Hammer, G. L. (2023) A cross-scale analysis to understand and quantify the effects of photosynthetic enhancement on crop growth and yield across environments. Plant, Cell & Environment, 46 (1). pp. 23-44. https://doi.org/10.1111/pce.14453

Borrell, A. K., Wong, A. C. S., George-Jaeggli, B., van Oosterom, E. J., Mace, E. S., Godwin, I. D., Liu, G., Mullet, J. E., Klein, P. E., Hammer, G. L., McLean, G., Hunt, C. H. and Jordan, D. R. (2022) Genetic modification of PIN genes induces causal mechanisms of stay-green drought adaptation phenotype. Journal of Experimental Botany, 73 (19). pp. 6711-6726. https://doi.org/10.1093/jxb/erac336

Potgieter, A. B., Schepen, A., Brider, J. and Hammer, G. L. (2022) Lead time and skill of Australian wheat yield forecasts based on ENSO-analogue or GCM-derived seasonal climate forecasts – A comparative analysis. Agricultural and Forest Meteorology, 324 . p. 109116. https://doi.org/10.1016/j.agrformet.2022.109116

Zhao, Y., Zheng, B., Chapman, S. C., Laws, K., George-Jaeggli, B., Hammer, G. L., Jordan, D. R. and Potgieter, A. B. (2021) Detecting Sorghum Plant and Head Features from Multispectral UAV Imagery. Plant Phenomics, 2021 . p. 9874650. https://doi.org/10.34133/2021/9874650

Armstrong, R. N., Potgieter, A. B., Mares, D. J., Mrva, K., Brider, J. and Hammer, G. L. (2019) An integrated framework for predicting the risk of experiencing temperature conditions that may trigger late-maturity alpha-amylase in wheat across Australia. Crop and Pasture Science . https://doi.org/10.1071/CP19005

Geetika, G., van Oosterom, E. J., George-Jaeggli, B., Mortlock, M. Y., Deifel, K. S., McLean, G. and Hammer, G. L. (2019) Genotypic variation in whole-plant transpiration efficiency in sorghum only partly aligns with variation in stomatal conductance. Functional Plant Biology, 46 (12). pp. 1072-1089. https://doi.org/10.1071/FP18177

Potgieter, A. B., George-Jaeggli, B., Chapman, S. C., Laws, K., Suárez Cadavid, L. A., Wixted, J., Watson, J., Eldridge, M., Jordan, D. R. and Hammer, G. L. (2017) Multi-Spectral Imaging from an Unmanned Aerial Vehicle Enables the Assessment of Seasonal Leaf Area Dynamics of Sorghum Breeding Lines. Frontiers in Plant Science, 8 (1532). https://doi.org/10.3389/fpls.2017.01532

Singh, V., Nguyen, C. T., McLean, G., Chapman, S. C., Zheng, B., van Oosterom, E. J. and Hammer, G. L. (2017) Quantifying high temperature risks and their potential effects on sorghum production in Australia. Field Crops Research, 211 . pp. 77-88. https://doi.org/10.1016/j.fcr.2017.06.012

Alam, M. M., van Oosterom, E. J., Cruickshank, A. W., Jordan, D. R. and Hammer, G. L. (2016) Predicting Tillering of Diverse Sorghum Germplasm across Environments. Crop Science . https://doi.org/10.2135/cropsci2016.04.0262

Potgieter, A. B., Lobell, D. B., Hammer, G. L., Jordan, D. R., Davis, P. and Brider, J. (2016) Yield trends under varying environmental conditions for sorghum and wheat across Australia. Agricultural and Forest Meteorology, 228–22 . pp. 276-285. https://doi.org/10.1016/j.agrformet.2016.07.004

Spackman, G., Neale, T., Reid, D. J. and Hammer, G. L. (2015) A crop productivity research protocol for long wall mining. Agricultural Science, 27 (2). pp. 39-43.

Lobell, D. B., Hammer, G. L., Chenu, K., Zheng, B., McLean, G. and Chapman, S. C. (2015) The shifting influence of drought and heat stress for crops in Northeast Australia. Global Change Biology, 21 (11). pp. 4115-4127. https://doi.org/10.1111/gcb.13022

Holzworth, D. P., Huth, N. I., deVoil, P. G., Zurcher, E. J., Herrmann, N. I., McLean, G., Chenu, K., van Oosterom, E. J., Snow, V., Murphy, C., Moore, A. D., Brown, H., Whish, J. P.M., Verrall, S., Fainges, J., Bell, L. W., Peake, A. S., Poulton, P. L., Hochman, Z., Thorburn, P. J., Gaydon, D. S., Dalgliesh, N. P., Rodriguez, D., Cox, H., Chapman, S., Doherty, A., Teixeira, E., Sharp, J., Cichota, R., Vogeler, I., Li, F. Y., Wang, E., Hammer, G. L., Robertson, M. J., Dimes, J. P., Whitbread, A. M., Hunt, J., van Rees, H., McClelland, T., Carberry, P. S., Hargreaves, J. N.G., MacLeod, N., McDonald, C., Harsdorf, J., Wedgwood, S. and Keating, B. A. (2014) APSIM – Evolution towards a new generation of agricultural systems simulation. Environmental Modelling & Software . https://doi.org/10.1016/j.envsoft.2014.07.009

Alam, M. M., Hammer, G. L., van Oosterom, E. J., Cruickshank, A. W., Hunt, C. H. and Jordan, D. R. (2014) A physiological framework to explain genetic and environmental regulation of tillering in sorghum. New Phytologist, 203 (1). pp. 155-167. https://doi.org/10.1111/nph.12767

Hammer, G. L., McLean, G., Chapman, S., Zheng, B., Doherty, A., Harrison, M. T., van Oosterom, E. and Jordan, D. (2014) Crop design for specific adaptation in variable dryland production environments. Crop and Pasture Science, 65 (7). pp. 614-626. https://doi.org/10.1071/CP14088

Borrell, A. K., Mullet, J. E., George-Jaeggli, B., van Oosterom, E. J., Hammer, G. L., Klein, P. E. and Jordan, D. R. (2014) Drought adaptation of stay-green sorghum is associated with canopy development, leaf anatomy, root growth, and water uptake. Journal of Experimental Botany, 65 (21). pp. 6251-6263.

Kholova, J., Murugesan, T., Kaliamoorthy, S., Malayee, S., Baddam, R., Hammer, G. L., McLean, G., Deshpande, S., Hash, C. T., Craufurd, P. Q. and Vadez, V. (2014) Modelling the effect of plant water use traits on yield and stay-green expression in sorghum. Functional Plant Biology, 41 (11). pp. 1019-1034. https://doi.org/10.1071/FP13355

Alam, M. M., Mace, E. S., van Oosterom, E. J., Cruickshank, A. W., Hunt, C. H., Hammer, G. L. and Jordan, D. R. (2014) QTL analysis in multiple sorghum populations facilitates the dissection of the genetic and physiological control of tillering. Theoretical and Applied Genetics, 127 (10). pp. 2253-2266. https://doi.org/10.1007/s00122-014-2377-9

Borrell, A. K., van Oosterom, E. J., Mullet, J. E., George-Jaeggli, B., Jordan, D. R., Klein, P. E. and Hammer, G. L. (2014) Stay-green alleles individually enhance grain yield in sorghum under drought by modifying canopy development and water uptake patterns. New Phytologist, 203 (3). p. 817. https://doi.org/10.1111/nph.12869

Nguyen, C.T., Singh, V., van Oosterom, E. J., Chapman, S. C., Jordan, D. R. and Hammer, G. L. (2013) Genetic variability in high temperature effects on seed-set in sorghum. Functional Plant Biology, 40 (5). pp. 439-448. https://doi.org/10.1071/FP12264

Christopher, J., Christopher, M. J., Jennings, R., Jones, S., Fletcher, S., Borrell, A., Manschadi, A.M., Jordan, D. R., Mace, E. S. and Hammer, G. L. (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). pp. 1563-1574. https://doi.org/10.1007/s00122-013-2074-0

George-Jaeggli, B., Jordan, D. R., van Oosterom, E. J., Broad, I. J. and Hammer, G. L. (2013) Sorghum dwarfing genes can affect radiation capture and radiation use efficiency. Field Crops Research, 149 . pp. 283-290.

Mace, E. S., Singh, V., Van Oosterom, E. J., Hammer, G. L., Hunt, C. H. and Jordan, D. R. (2012) QTL for nodal root angle in sorghum (Sorghum bicolor L. Moench) co-locate with QTL for traits associated with drought adaptation. Theoretical and Applied Genetics, 124 (1). pp. 97-109. https://doi.org/10.1007/s00122-011-1690-9

van Oosterom, E. J., Borrell, A. K., Deifel, K. S. and Hammer, G. L. (2011) Does increased leaf appearance rate enhance adaptation to postanthesis drought stress in sorghum? Crop Science, 51 (6). pp. 2728-2740. https://doi.org/10.2135/cropsci2011.01.0031

George-Jaeggli, B., Jordan, D. R., van Oosterom, E. J. and Hammer, G. L. (2011) Decrease in sorghum grain yield due to the dw3 dwarfing gene is caused by reduction in shoot biomass. Field Crops Research, 124 (2). pp. 231-239. https://doi.org/10.1016/j.fcr.2011.07.005

Singh, V., van Oosterom, E. J., Jordan, D. R., Hunt, C. H. and Hammer, G. L. (2011) Genetic variability and control of nodal root angle in sorghum. Crop Science, 51 (5). pp. 2011-2020. https://doi.org/10.2135/cropsci2011.01.0038

Vadez, V., Deshpande, S. P., Kholova, J., Hammer, G. L., Borrell, A. K., Talwar, H. S. and Hash, C. T. (2011) Stay-green quantitative trait loci's effects on water extraction, transpiration efficiency and seed yield depend on recipient parent background. Functional Plant Biology, 38 (7). pp. 553-566. https://doi.org/10.1071/FP11073

Hammer, G. L., van Oosterom, E., McLean, G., Chapman, S. C., Broad, I. J., Harland, P. and Muchow, R. C. (2010) Adapting APSIM to model the physiology and genetics of complex adaptive traits in field crops. Journal of Experimental Botany, 61 (8). pp. 2185-2202. https://doi.org/10.1093/jxb/erq095

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). pp. 458-462. https://doi.org/10.1080/11263501003731805

Singh, V., van Oosterom, E. J., Jordan, D. R., Messina, C. D., Cooper, M. and Hammer, G. L. (2010) Morphological and architectural development of root systems in sorghum and maize. Plant and Soil, 333 . pp. 287-299. https://doi.org/10.1007/s11104-010-0343-0

Hammer, G. L., Dong, Z., McLean, G., Doherty, A., Messina, C., Schussler, J., Zinselmeier, C., Paszkiewicz, S. and Cooper, M. (2009) Can Changes in Canopy and/or Root System Architecture Explain Historical Maize Yield Trends in the U.S. Corn Belt? Crop Science, 49 (1). pp. 299-312. https://doi.org/10.2135/cropsci2008.03.0152

Chenu, K., Chapman, S. C., Tardieu, F., McLean, G., Welcker, C. and Hammer, G. L. (2009) Simulating the Yield Impacts of Organ-Level Quantitative Trait Loci Associated With Drought Response in Maize: A “Gene-to-Phenotype” Modeling Approach. Genetics, 183 (4). pp. 1507-1523. https://doi.org/10.1534/genetics.109.105429

Cooper, M. and Hammer, G. L. (2005) Preface to special issue: Complex traits and plant breeding - Can we understand the complexities of gene-to-phenotype relationships and use such knowledge to enhance plant breeding outcomes? Australian Journal of Agricultural Research, 56 (9). pp. 869-872. https://doi.org/10.1071/AR05151

Hammer, G. L., Chapman, S. C., van Oosterom, E. J. and Podlich, D. W. (2005) Trait physiology and crop modelling as a framework to link phenotypic complexity to underlying genetic systems. Australian Journal of Agricultural Research, 56 (9). pp. 947-960. https://doi.org/10.1071/AR05157

Potgieter, A. B., Hammer, G. L., Doherty, A. and de Voil, P. (2005) A simple regional-scale model for forecasting sorghum yield across North-Eastern Australia. Agricultural and Forest Meteorology, 132 (1-2). pp. 143-153. https://doi.org/10.1016/j.agrformet.2005.07.009

Meinke, H., de Voil, P., Hammer, G. L., Power, S., Allan, R., Stone, R. C., Folland, C. and Potgieter, A. B. (2005) Rainfall variability of decadal and longer time scales: Signal or noise? Journal of Climate, 18 (1). pp. 89-96. https://doi.org/10.1175/JCLI-3263.1

Potgieter, A. B., Hammer, G. L., Meinke, H., Stone, R. C. and Goddard, L. (2005) Three putative types of El Niño revealed by spatial variability in impact on Australian wheat yield. Journal of Climate, 18 (10). pp. 1566-1574. https://doi.org/10.1175/JCLI3349.1

Hill, H. S. J., Mjelde, J. W., Love, H. A., Rubas, D. J., Fuller, S. W., Rosenthal, W. and Hammer, G. L. (2004) Implications of seasonal climate forecasts on world wheat trade: A stochastic, dynamic analysis. Canadian Journal of Agricultural Economics, 52 (3). pp. 289-312. https://doi.org/10.1111/j.1744-7976.2004.tb00371.x

George-Jaeggli, B., Broad, I. J., Hammer, G. L. and Jordan, D. R. (2004) Is increased radiation use efficiency in sorghum related to increased height. New Directions for a Diverse Planet: Proceedings for the 4th International Crop Science Congress .

Keating, B. A., Carberry, P. S., Hammer, G. L., Probert, M. E., Robertson, M. J., Holzworth, D., Huth, N. I., Hargreaves, J. N. G., Meinke, H., Hochman, Z., McLean, G., Verburg, K., Snow, V., Dimes, J. P., Silburn, M., Wang, E., Brown, S., Bristow, K. L., Asseng, S., Chapman, S., McCown, R. L., Freebairn, D. M. and Smith, C. J. (2003) An overview of APSIM, a model designed for farming systems simulation. European Journal of Agronomy, 18 (3). pp. 267-288. https://doi.org/10.1016/S1161-0301(02)00108-9

Chapman, S. C., Cooper, M., Podlich, D. and Hammer, G. L. (2003) Evaluating plant breeding strategies by simulating gene action and dryland environment effects. Agronomy Journal, 95 (1). pp. 99-113. https://doi.org/10.2134/agronj2003.9900

Lyon, D. J., Hammer, G. L., McLean, G. B. and Blumenthal, J. M. (2003) Simulation supplements field studies to determine no-till dryland corn population recommendations for semiarid western Nebraska. Agronomy Journal, 95 (4). pp. 884-891. https://doi.org/10.2134/agronj2003.8840

Nelson, R.A., Holzworth, D.P., Hammer, G. L. and Hayman, P.T. (2002) Infusing the use of seasonal climate forecasting into crop management practice in North East Australia using discussion support software. Agricultural Systems, 74 (3). pp. 393-414. https://doi.org/10.1016/S0308-521X(02)00047-1

Chapman, S. C., Cooper, M. and Hammer, G. L. (2002) Using crop simulation to generate genotype by environment interaction effects for sorghum in water-limited environments. Australian Journal of Agricultural Research, 53 (4). pp. 379-389. https://doi.org/10.1071/AR01070

Potgieter, A. B., Hammer, G. L. and Butler, D. (2002) Spatial and temporal patterns in Australian wheat yield and their relationship with ENSO. Australian Journal of Agricultural Research, 53 (1). pp. 77-89. https://doi.org/10.1071/AR01002

Lafarge, T. A. and Hammer, G. L. (2002) Predicting plant leaf area production: shoot assimilate accumulation and partitioning, and leaf area ratio, are stable for a wide range of sorghum population densities. Field Crops Research, 77 (2-3). pp. 137-151.

Lafarge, T.A., Broad, I. J. and Hammer, G. L. (2002) Tillering in Grain Sorghum over a Wide Range of Population Densities: Identification of a Common Hierarchy for Tiller Emergence, Leaf Area Development and Fertility. Annals of Botany, 90 (1). pp. 87-98. https://doi.org/10.1093/aob/mcf152

Potgieter, A. B., Hammer, G. L. and deVoil, P. (2001) A regional commodity forecasting system for major crops in Australia. Geo-spatial Information in Agriculture .

White, D. H., Wilhite, D. A., O'Meagher, B. and Hammer, G. L. (2001) Highlights of drought policy and related science in Australia and the USA. Water International, 26 (3). pp. 349-357. https://doi.org/10.1080/02508060108686927

Borrell, A. K., Hammer, G. L. and Douglas, C. A. (2000) Does Maintaining Green Leaf Area in Sorghum Improve Yield under Drought? I. Leaf Growth and Senescence. Crop Science, 40 (4). pp. 1026-1037. https://doi.org/10.2135/cropsci2000.4041037x

Chapman, S. C., Cooper, M., Hammer, G. L. and Butler, D. G. (2000) Genotype by environment interactions affecting grain sorghum. II. Frequencies of different seasonal patterns of drought stress are related to location effects on hybrid yields. Australian Journal of Agricultural Research, 51 (2). pp. 209-222. https://doi.org/10.1071/AR99021

Chapman, S. C., Hammer, G. L., Butler, D. G. and Cooper, M. (2000) Genotype by environment interactions affecting grain sorghum. III. Temporal sequences and spatial patterns in the target population of environments. Australian Journal of Agricultural Research, 51 (2). pp. 223-234. https://doi.org/10.1071/AR99022

Bange, M. P., Hammer, G. L., Milroy, S. P. and Rickert, K.G. (2000) Improving Estimates of Individual Leaf Area of Sunflower. Agronomy Journal, 92 (4). pp. 761-765. https://doi.org/10.2134/agronj2000.924761x

Borrell, A. K. and Hammer, G. L. (2000) Nitrogen Dynamics and the Physiological Basis of Stay-Green in Sorghum. Crop Science, 40 (5). pp. 1295-1307. https://doi.org/10.2135/cropsci2000.4051295x

Crauford, P.Q., Mahalakshmi, V., Bidinger, F.R., Mukuru, S.Z., Chantereau, J., Omanga, P.A., Qi, A., Roberts, E.H., Ellis, R.H., Summerfield, R.J. and Hammer, G. L. (1999) Adaptation of sorghum: Characterisation of genotypic flowering responses to temperature and photoperiod. Theoretical and Applied Genetics, 99 . pp. 900-911. https://doi.org/10.1007/s001220051311

Birch, C.J., Hammer, G. L. and Rickert, K.G. (1999) Dry matter accumulation and distribution in five cultivars of maize (Zea mays): Relationships and procedures for use in crop modelling. Australian Journal of Agricultural Research, 50 (4). pp. 513-528. https://doi.org/10.1071/A98113

Mortlock, M. Y. and Hammer, G. L. (1999) Genotype and water limitation effects on transpiration efficiency in sorghum. Journal of Crop Production, 2 (2). pp. 265-286. https://doi.org/10.1300/J144v02n02_11

Rosenthal, W.D., Hammer, G. L. and Butler, D. (1998) Predicting regional grain sorghum production in Australia using spatial data and crop simulation modelling. Agricultural and Forest Meteorology, 91 (3-4). pp. 263-274. https://doi.org/10.1016/S0168-1923(98)00073-2

Meinke, H., Rabbinge, R., Hammer, G. L., van Keulen, H. and Jamieson, P. D. (1998) Improving wheat simulation capabilities in Australia from a cropping systems perspective. II. Testing simulation capabilities of wheat growth. European Journal of Agronomy, 8 (1-2). pp. 83-99. https://doi.org/10.1016/S1161-0301(97)00016-6

Meinke, H., Hammer, G. L., van Keulen, H. and Rabbinge, R. (1998) Improving wheat simulation capabilities in Australia from a cropping systems perspective. III. The integrated wheat model (I-WHEAT). European Journal of Agronomy, 8 (1-2). pp. 101-116. https://doi.org/10.1016/S1161-0301(97)00015-4

Birch, C.J., Hammer, G. L. and Rickert, K.G. (1998) Temperature and photoperiod sensitivity of development in five cultivars of maize (Zea mays L.) from emergence to tassel initiation. Field Crops Research, 55 (1-2). pp. 93-107. https://doi.org/10.1016/S0378-4290(97)00062-2

Henderson, S., Von Caemmerer, S., Farquhar, G. D., Wade, L. and Hammer, G. L. (1998) Correlation between carbon isotope discrimination and transpiration efficiency in lines of the C4 species Sorghum bicolor in the glasshouse and the field. Australian Journal of Plant Physiology, 25 (1). pp. 111-123. https://doi.org/10.1071/PP95033

Hammer, G. L. (1998) Crop modelling: Current status and opportunities to advance. Acta Horticulturae, 456 . pp. 27-36. https://doi.org/10.17660/ActaHortic.1998.456.1

Birch, C.J., Hammer, G. L. and Rickert, K.G. (1998) Improved methods for predicting individual leaf area and leaf senescence in maize (Zea mays). Australian Journal of Agricultural Research, 49 (2). pp. 249-262. https://doi.org/10.1071/A97010

Healey, K.D., Hammer, G. L., Rickert, K.G. and Bange, M.P. (1998) Radiation use efficiency increases when the diffuse component of incident radiation is enhanced under shade. Australian Journal of Agricultural Research, 49 (4). pp. 665-672. https://doi.org/10.1071/A97100

Bange, M. P., Hammer, G. L. and Rickert, K. G. (1998) Temperature and sowing date affect the linear increase of sunflower harvest index. Agronomy Journal, 90 (3). pp. 324-328. https://doi.org/10.2134/agronj1998.00021962009000030002x

Meinke, H., Hammer, G. L., van Keulen, H., Rabbinge, R. and Keating, B. A. (1997) Improving wheat simulation capabilities in Australia from a cropping systems perspective: Water and nitrogen effects on spring wheat in a semi-arid environment. European Journal of Agronomy, 7 (1-3). pp. 75-88. https://doi.org/10.1016/S1161-0301(97)00032-4

Bange, M.P., Hammer, G. L. and Rickert, K.G. (1997) Effect of radiation environment on radiation use efficiency and growth of sunflower. Crop Science, 37 (4). pp. 1208-1214. https://doi.org/10.2135/cropsci1997.0011183X003700040030x

Bange, M.P., Hammer, G. L. and Rickert, K.G. (1997) Effect of specific leaf nitrogen on radiation use efficiency and growth of sunflower. Crop Science, 37 (4). pp. 1201-1208. https://doi.org/10.2135/cropsci1997.0011183X003700040029x

Meinke, H. and Hammer, G. L. (1997) Forecasting regional crop production using SOI phases: An example for the Australian peanut industry. Australian Journal of Agricultural Research, 48 (6). pp. 789-794. https://doi.org/10.1071/A96155

Hammer, G. L., Farquhar, G. D. and Broad, I. J. (1997) On the extent of genetic variation for transpiration efficiency in sorghum. Australian Journal of Agricultural Research, 48 (5). pp. 649-656. https://doi.org/10.1071/A96111

Stone, R. C., Hammer, G. L. and Nicholls, N. (1996) Frost in northeast Australia: Trends and influences of phases of the Southern Oscillation. Journal of Climate, 9 (8). pp. 1896-1909. https://doi.org/10.1175/1520-0442(1996)009<1896:FINATA>2.0.CO;2

Meinke, H., Stone, R. C. and Hammer, G. L. (1996) SOI phases and climatic risk to peanut production: A case study for Northern Australia. International Journal of Climatology, 16 (7). pp. 783-789. https://doi.org/10.1002/(SICI)1097-0088(199607)16:7<783::AID-JOC58>3.0.CO;2-D

McCown, R.L., Hammer, G. L., Hargreaves, J. N.G., Holzworth, D.P. and Freebairn, D.M. (1996) APSIM: a novel software system for model development, model testing and simulation in agricultural systems research. Agricultural Systems, 50 (3). pp. 255-271. https://doi.org/10.1016/0308-521X(94)00055-V

Vanderlip, R.L., Hammer, G. L. and Muchow, R.C. (1996) Assessing planting opportunities in semiarid subtropical environments. Agricultural Systems, 51 (1). pp. 97-112. https://doi.org/10.1016/0308-521X(95)00015-W

McCown, R.L., Hammer, G. L., Hargreaves, J. N.G., Holzworth, D. and Huth, N. I. (1995) APSIM: an agricultural production system simulation model for operational research. Mathematics and Computers in Simulation, 39 (3-4). pp. 225-231. https://doi.org/10.1016/0378-4754(95)00063-2

Hammer, G. L., Sinclair, T. R., Boote, K. J., Wright, G. C., Meinke, H. and Bell, M. J. (1995) A peanut simulation model: I. Model development and testing. Agronomy Journal, 87 (6). pp. 1085-1093. https://doi.org/10.2134/agronj1995.00021962008700060009x

Thomas, -, Fukai, S. and Hammer, G. L. (1995) Growth and yield response of barley and chickpea to water stress under three environments in southeast Queensland. II. Root growth and soil water extraction pattern. Australian Journal of Agricultural Research, 46 (1). pp. 35-48. https://doi.org/10.1071/AR9950035

Hammer, G. L. and Muchow, R.C. (1994) Assessing climatic risk to sorghum production in water-limited subtropical environments I. Development and testing of a simulation model. Field Crops Research, 36 (3). pp. 221-234. https://doi.org/10.1016/0378-4290(94)90114-7

Hammer, G. L. and Wright, G. C. (1994) A theoretical analysis of nitrogen and radiation effects on radiation use efficiency in peanut. Australian Journal of Agricultural Research, 45 (3). pp. 575-589. https://doi.org/10.1071/AR9940575

Chapman, S.C., Hammer, G. L. and Palta, J.A. (1993) Predicting leaf area development of sunflower. Field Crops Research, 34 (1). pp. 101-112. https://doi.org/10.1016/0378-4290(93)90114-3

Hammer, G. L., Carberry, P. S. and Muchow, R.C. (1993) Modelling genotypic and environmental control of leaf area dynamics in grain sorghum. I. Whole plant level. Field Crops Research, 33 (3). pp. 293-310. https://doi.org/10.1016/0378-4290(93)90087-4

Carberry, P.S., Hammer, G. L. and Muchow, R.C. (1993) Modelling genotypic and environmental control of leaf area dynamics in grain sorghum. III. Senescence and prediction of green leaf area. Field Crops Research, 33 (3). pp. 329-351. https://doi.org/10.1016/0378-4290(93)90088-5

Robertson, M.J., Fukai, S., Hammer, G. L. and Ludlow, M.M. (1993) Modelling root growth of grain sorghum using the CERES approach. Field Crops Research, 33 (1-2). pp. 113-130. https://doi.org/10.1016/0378-4290(93)90097-7

Robertson, M. J., Fukai, S., Ludlow, M.M. and Hammer, G. L. (1993) Water extraction by grain sorghum in a sub-humid environment. I. Analysis of the water extraction pattern. Field Crops Research, 33 (1-2). pp. 81-97. https://doi.org/10.1016/0378-4290(93)90095-5

Robertson, M. J., Fukai, S., Ludlow, M.M. and Hammer, G. L. (1993) Water extraction by grain sorghum in a sub-humid environment. II. Extraction in relation to root growth. Field Crops Research, 33 (1-2). pp. 99-112. https://doi.org/10.1016/0378-4290(93)90096-6

Meinke, H., Hammer, G. L. and Want, P. (1993) Potential soil water extraction by sunflower on a range of soils. Field Crops Research, 32 (1-2). pp. 59-81. https://doi.org/10.1016/0378-4290(93)90021-E

Shorter, R., Lawn, R.J. and Hammer, G. L. (1991) Improving Genotypic Adaptation in Crops – a Role for Breeders, Physiologists and Modellers. Experimental Agriculture, 27 (2). pp. 155-175. https://doi.org/10.1017/S0014479700018810

Hammer, G. L., Vanderlip, R.L., Gibson, G., Wade, L. J., Henzell, R.G., Younger, D.R., Warren, J. and Dale, A.B. (1989) Genotype-by-environment interaction in grain sorghum. II. effects of temperature and photoperiod on ontogeny. Crop Science, 29 (2). pp. 376-384. https://doi.org/10.2135/cropsci1989.0011183X002900020029x

Hammer, G. L., Woodruff, D.R. and Robinson, J.B. (1987) Effects of climatic variability and possible climatic change on reliability of wheat cropping-A modelling approach. Agricultural and Forest Meteorology, 41 (1-2). pp. 123-142. https://doi.org/10.1016/0168-1923(87)90074-8

Rosenthal, K.M. and Hammer, G. L. (1979) Heatwave and maximum temperature probabilities. Queensland Agricultural Journal, 105 (1). pp. 72-93.

Rosenthal, K.M. and Hammer, G. L. (1978) Frost and minimum temperature probabilities. Queensland Agricultural Journal, 104 (2). pp. 177-201.

Book Section

Borrell, A. K., Van Oosterom, E. J., George-Jaeggli, B., Vadez, V., Singh, V. and Hammer, G. L. (2020) Physiology of Growth, Development and Yield. In: Sorghum in the 21st Century: Food – Fodder – Feed – Fuel for a Rapidly Changing World. Springer.

Chapman, S. C., Zheng, B., Potgieter, A., Guo, W., Frederic, B., Liu, S., Madec, S., de Solan, B., George-Jaeggli, B., Hammer, G. L. and Jordan, D. R. (2018) Visible, Near Infrared, and Thermal Spectral Radiance On-Board UAVs for High-Throughput Phenotyping of Plant Breeding Trials. In: Biophysical and Biochemical Characterization and Plant Species Studies. Hyperspectral Remote Sensing of Vegetation . CRC Press. https://doi.org/10.1201/9780429431180

Christopher, J. T., Borrell, A. K., Manschadi, A. M., Hammer, G. L. and Chapman, S. C. (2004) Developing high yielding wheat for water limited environments in northern Australia. In: "New Directions for a Diverse Planet", 4th International Crop Science Congress in conjunction with the 12th Australian Agronomy Conference and the 5th Asian Crop Science Conference, 26 September - 1 October 2004, Brisbane, Australia. Australian Society of Agronomy.

Broad, I. J. and Hammer, G. L. (2004) Soil exploration by sorghum root systems in wide row cropping systems. In: "New Directions for a Diverse Planet", 4th International Crop Science Congress in conjunction with the 12th Australian Agronomy Conference and the 5th Asian Crop Science Conference, 26 September - 1 October 2004, Brisbane, Australia. Australian Society of Agronomy.

Borrell, A. K., Oosterom, E. v., Hammer, G. L., Jordan, D. R. and Douglas, A. (2003) The physiology of "stay-green" in sorghum. In: Solutions for a Better Environment: Proceedings of the 11th Australian Agronomy Conference Geelong, Victoria 2-6 February 2003. Australian Society of Agronomy.

Conference or Workshop Item

Das, S., Massey-Reed, S. R., Mahuika, J., Watson, J., Cordova, C., Otto, L., Zhao, Y., Chapman, S., George-Jaeggli, B., Jordan, D., Hammer, G. L. and Potgieter, A. B. (2022) A High-Throughput Phenotyping Pipeline for Rapid Evaluation of Morphological and Physiological Crop Traits Across Large Fields. In: IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium, Kuala Lumpur, Malaysia. https://doi.org/10.1109/IGARSS46834.2022.9884530

Durrington, G., Brider, J., Holzworth, D., Hammer, G. L. and Wu, A. (2022) CropGen: A novel tool for optimising sorghum crop design. In: TropAg 2022 International Agriculture Conference, 31 October - 2 November 2022, Brisbane, Australia.

George-Jaeggli, B., Zhi, X., Massey-Reed, S. R., Potgieter, A. B., Hunt, C. H., Watson, J., Chapman, S. C., Laws, K., Borrell, A., Tao, Y., Mace, E. S., Jordan, D. R., Van Oosterom, E. J., Hammer, G. L. and Wu, A. (2022) Deriving radiation use efficiency from hyperspectral sensing for enhanced sorghum production. In: TropAg 2022 International Agriculture Conference, 31 October - 2 November 2022, Brisbane, Australia.

George-Jaeggli, B., Wu, A., McLean, G., Zhi, X., Massey-Reed, S. R., Jordan, D. and Hammer, G. L. (2022) Exploiting the variability and heritability of leaf angle in sorghum to design optimal canopies for different target environments. In: Proceedings of the 20th Agronomy Australia Conference, 2022, 6 - 10 February 2022, Toowoomba Qld.

Borrell, A.K., George-Jaeggli, B., van Oosterom, E. J., Mace, E. S., Jordan, D. R., Kassahun, B., Menamo, T.M., Vadezm, V., Talwar, H., Christopher, J., Chenu, K., Richard, C., Robinson, H., Hickey, L.T., Nagothu, S. and Hammer, G. L. (2017) Adapting cereals to drought: genetic and management solutions. In: TropAg2017, 20-22 November 2017, Brisbane.

Borrell, A. K., Mullet, J. E., George-Jaeggli, B., van Oosterom, E. J., Mace, E. S., Hammer, G. L., Klein, P. E., Weers, Y. and Jordan, D. R. (2015) Identifying the Function of Sorghum's Drought Tolerance Stay-Green QTL. In: Plant and Animal Genome XXIII Conference.

Holzworth, D. P., Meinke, H., DeVoil, P., Wegener, M., Huth, N., Hammer, G. L., Howden, M., Robertson, M. J., Carberry, P. S., Freebairn, D. and Murphy, C. (2006) The development of a farming systems model (APSIM) - A disciplined approach. In: 3rd International Congress on Environmental Modelling and Software, July 2006, Vermont, USA.