Dr Ian Delacy
Honorary Research Fellow
School of Agriculture and Food Sustainability
Book Chapters
Arief, Vivi N., DeLacy, Ian H. and Basford, Kaye E. (2020). Design and analysis of multi-year field trials for annual crops. Quantitative genetics, genomics and plant breeding. (pp. 178-193) Wallingford, United Kingdom: CABI. doi: 10.1079/9781789240214.0178
Mace, E. S., Mathur, P. N., Godwin, I. D., Hunter, D., Taylor, M. B., Singh, D., DeLacy, I. H. and Jackson, G. V. H. (2010). Development of a regional core collection (Oceania) for taro, Colocasia esculenta (L.) Schott, based on molecular and phenotypic characterization. The Global Diversity of Taro: Ethnobotany and Conservation. (pp. 185-201) edited by V. Ramanatha Rao, P. J. Matthews, P. B. Eyzaguirre and D. Hunter. Rome, Italy: Bioversity International.
Cooper, M., DeLacy, I. H. and Basford, K. E. (1996). Relationships among analytical methods used to analyse genotypic adaptation in multi-environment trials. Plant adaptation and crop improvement. (pp. 193-224) edited by M. Cooper and G. L. Hammer. Wallingford, United Kingdom: CAB International.
DeLacy, I. H., Basford, K. E., Cooper, M. and Fox, P. N. (1996). Retrospective analysis of historical data sets from multi-environment trials - theoretical development. Plant adaptation and crop improvement. (pp. 243-267) edited by M. Cooper and G. L. Hammer. Wallingford, United Kingdom: CAB International.
DeLacy, I. H., Basford, K. E., Cooper, M., Bull, J. K. and McLaren, C. G. (1996). Analysis of multi-environment trials - an historical perspective. Plant adaptation and crop improvement. (pp. 39-124) edited by M. Cooper and G. L. Hammer. Wallingford, United Kingdom: CAB International.
Journal Articles
Iftikhar, Muhammad Sarmad, Naseer Cheema, Hafiza Masooma, Khan, Asif Ali, DeLacy, Ian Henson and Basford, Kaye Enid (2024). Genetic diversity assessment of cucumber landraces using molecular signatures. BMC Genomics, 25 (1) 1046. doi: 10.1186/s12864-024-10958-z
Arief, Vivi N., DeLacy, Ian H., Payne, Thomas and Basford, Kaye E. (2022). Visualising the pattern of long‐term genotype performance by leveraging a genomic prediction model. Australian and New Zealand Journal of Statistics, 64 (2), 297-312. doi: 10.1111/anzs.12362
Jahufer, M. Z. Z., Arojju, Sai Krishna, Faville, Marty J., Ghamkhar, Kioumars, Arief, Vivi, Yang, Wen-Hsi, Luo, Dongwen, Sun, Mingzhu, DeLacy, Ian H., Griffiths, Andrew G., Eady, Colin, Clayton, Will, Stewart, Alan V., George, Richard M., Hoyos-Villegas, Valerio, Basford, Kaye E. and Barrett, Brent (2021). Deterministic and stochastic modelling of impacts from genomic selection and phenomics on genetic gain for perennial ryegrass dry matter yield. Scientific Reports, 11 (1) 13265, 1-18. doi: 10.1038/s41598-021-92537-w
Ratnasiri, Anura W. G., Lakshminrusimha, Satyan, Dieckmann, Ronald A., Lee, Henry C., Gould, Jeffrey B., Parry, Steven S., Arief, Vivi N., DeLacy, Ian H., DiLibero, Ralph J. and Basford, Kaye E. (2020). Maternal and infant predictors of infant mortality in California, 2007–2015. PloS One, 15 (8) e0236877, e0236877. doi: 10.1371/journal.pone.0236877
Ratnasiri, Anura W. G., Gordon, Lauren, Dieckmann, Ronald A., Lee, Henry C., Parry, Steven S., Arief, Vivi N., DeLacy, Ian H., Lakshminrusimha, Satyan, DiLibero, Ralph J. and Basford, Kaye E. (2020). Smoking during pregnancy and adverse birth and maternal outcomes in California, 2007 to 2016. American Journal of Perinatology, 37 (13), 1364-1376. doi: 10.1055/s-0039-1693689
Ali, Mohsin, Zhang, Luyan, DeLacy, Ian, Arief, Vivi, Dieters, Mark, Pfeiffer, Wolfgang H., Wang, Jiankang and Li, Huihui (2020). Modeling and simulation of recurrent phenotypic and genomic selections in plant breeding under the presence of epistasis. Crop Journal, 8 (5), 866-877. doi: 10.1016/j.cj.2020.04.002
Ratnasiri, Anura W. G., Lee, Henry C., Lakshminrusimha, Satyan, Parry, Steven S., Arief, Vivi N., DeLacy, Ian H., Yang, Jo-Shing, DiLibero, Ralph J., Logan, Julia and Basford, Kaye E. (2019). Trends in maternal prepregnancy body mass index (BMI) and its association with birth and maternal outcomes in California, 2007–2016: a retrospective cohort study. PLoS ONE, 14 (9) e0222458, e0222458. doi: 10.1371/journal.pone.0222458
Arief, Vivi N., Desmae, Haile, Hardner, Craig, DeLacy, Ian H., Gilmour, Arthur, Bull, Jason K. and Basford, Kaye E. (2019). Utilization of multiyear plant breeding data to better predict genotype performance. Crop Science, 59 (2), 480-490. doi: 10.2135/cropsci2018.03.0182
Hoyos-Villegas, Valerio, Arief, Vivi N, Yang, Wen-Hsi, Sun, Mingzhu, DeLacy, Ian H, Barrett, Brent A, Jahufer, Zulfi and Basford, Kaye E (2019). QuLinePlus: extending plant breeding strategy and genetic model simulation to cross-pollinated populations—case studies in forage breeding. Heredity, 122 (5), 684-695. doi: 10.1038/s41437-018-0156-0
Ratnasiri, Anura W.G., Parry, Steven S., Arief, Vivi N., DeLacy, Ian H., Lakshminrusimha, Satyan, Halliday, Laura A., DiLibero, Ralph J. and Basford, Kaye E. (2018). Temporal trends, patterns, and predictors of preterm birth in California from 2007 to 2016, based on the obstetric estimate of gestational age. Maternal Health, Neonatology and Perinatology, 4 (1) 25, 25. doi: 10.1186/s40748-018-0094-0
Ratnasiri, Anura W. G., Parry, Steven S., Arief, Vivi N., DeLacy, Ian H., Halliday, Laura A., DiLibero, Ralph J. and Basford, Kaye E. (2018). Recent trends, risk factors, and disparities in low birth weight in California, 2005-2014: a retrospective study. Maternal Health, Neonatology and Perinatology, 4 (1) 15, 15. doi: 10.1186/s40748-018-0084-2
Watson, Amy, Ghosh, Sreya, Williams, Matthew J, Cuddy, William S, Simmonds, James, Rey, María-Dolores, Asyraf Md Hatta, M, Hinchliffe, Alison, Steed, Andrew, Reynolds, Daniel, Adamski, Nikolai M, Breakspear, Andy, Korolev, Andrey, Rayner, Tracey, Dixon, Laura E., Riaz, Adnan, Martin, William, Ryan, Merrill, Edwards, David, Batley, Jacqueline, Raman, Harsh, Carter, Jeremy, Rogers, Christian, Domoney, Claire, Moore, Graham, Harwood, Wendy, Nicholson, Paul, Dieters, Mark J., DeLacy, Ian H. ... Hickey, Lee T. (2018). Speed breeding is a powerful tool to accelerate crop research and breeding. Nature Plants, 4 (1), 23-29. doi: 10.1038/s41477-017-0083-8
Arief, Vivi Noviati, DeLacy, I. H., Basford, K. E. and Dieters, M. J. (2017). Application of a dendrogram seriation algorithm to extract pattern from plant breeding data. Euphytica, 213 (4) 85. doi: 10.1007/s10681-017-1870-z
Ceron-Rojas, J. Jesus, Crossa, Jose, Arief, Vivi N., Basford, Kaye, Rutkoski, Jessica, Jarquin, Diego, Alvarado, Gregorio, Beyene, Yoseph, Semagn, Kassa and DeLacy, Ian (2015). A genomic selection index applied to simulated and real data. G3: Genes, Genomes, Genetics, 5 (10), 2155-2164. doi: 10.1534/g3.115.019869
Arief, Vivi N., DeLacy, Ian H., Crossa, Jose, Payne, Thomas, Singh, Ravi, Braun, Hans-J., Tian, Ting, Basford, Kaye E. and Dieters, Mark J. (2015). Evaluating testing strategies for plant breeding field trials: redesigning a CIMMYT international wheat nursery. Crop Science, 55 (1), 164-177. doi: 10.2135/cropsci2014.06.0415
Bansal, Urmil K., Arief, Vivi N., DeLacy, Ian H. and Bariana, Harbans S. (2013). Exploring wheat landraces for rust resistance using a single marker scan. Euphytica, 194 (2), 219-233. doi: 10.1007/s10681-013-0940-0
Arief, Vivi N., DeLacy, Ian H., Wenzl, Peter, Dreisigacker, Susanne, Crossa, Jose, Dieters, Mark J. and Basford, Kaye E. (2013). Using molecular marker order to compare genetic structure in plant populations undergoing selection. Journal of Environmental Statistics, 4 (4).
Hickey, Lee T., Wilkinson, Peter M., Knight, Cheridan R., Godwin, Ian D., Kravchuk, Olena Y., Aitken, Elizabeth A. B., Bansal, Urmil K., Bariana, Harbans S., DeLacy, Ian H. and Dieters, Mark J. (2012). Rapid phenotyping for adult-plant resistance to stripe rust in wheat. Plant Breeding, 131 (1), 54-61. doi: 10.1111/j.1439-0523.2011.01925.x
Dreisigacker, Susanne, Shewayrga, Hailemichael, Crossa, Jose, Arief, Vivi N, DeLacy, Ian H., Singh, Ravi P., Dieters, Mark J. and Braun, Hans-Joachim (2012). Genetic structures of the CIMMYT international yield trial targeted to irrigation environments. Molecular Breeding, 29 (2), 529-541. doi: 10.1007/s11032-011-9569-7
Sun, Yue, Godwin, Ian D., Arief, Vivi N., Delacy, Ian H., Jackway, Paul T. and Lambrides, Christopher J. (2012). Factors controlling self-fertility in sunflower: The role of GCA/SCA effects, S alleles, and floret characteristics. Crop Science, 52 (1), 128-135. doi: 10.2135/cropsci2011.04.0188
Hardner, C, Dieters, M, DeLacy, I, Neal, J, Fletcher, S, Dale, G and Basford, K (2011). Identifying deployment zones for Eucalyptus camaldulensis × E. globulus and × E. grandis hybrids using factor analytic modelling of genotype by environment interaction. Australian Forestry, 74 (1), 30-35. doi: 10.1080/00049158.2011.10676343
Mathews, Ky L., Trethowan, Richard, Milgate, Andrew W., Payne, Thomas, van Ginkel, Maarten, Crossa, Jose, DeLacy, Ian, Cooper, Mark and Chapman, Scott C. (2011). Indirect selection using reference and probe genotype performance in multi-environment trials. Crop and Pasture Science, 62 (4), 313-327. doi: 10.1071/CP10318
Hardner, Craig M., Dieters, Mark, Dale, Glenn, DeLacy, Ian and Basford, Kaye E. (2010). Patterns of genotype-by-environment interaction in diameter at breast height at age 3 for eucalypt hybrid clones grown for reafforestation of lands affected by salinity. Tree Genetics & Genomes, 6 (6), 833-851. doi: 10.1007/s11295-010-0295-9
Niu, Na, Arief, Vivi N., DeLacy, Ian H., Lush, Douglas, Sheppard, John, Zhang, Gaisheng and Dieters, Mark J. (2010). Genetic gain in yield and protein over two cycles of a wheat recurrent selection program. Breeding Science, 60 (3), 181-186. doi: 10.1270/jsbbs.60.181
DeLacy, I. H., Kaul, S., Rana, B. S. and Cooper, M. (2010). Genotypic variation for grain and stover yield of dryland (rabi) sorghum in India 2. A characterisation of genotype x environment interactions. Field Crops Research, 118 (3), 236-242. doi: 10.1016/j.fcr.2010.05.014
DeLacy, I. H., Kaul, S., Rana, B. S. and Cooper, M. (2010). Genotypic variation for grain and stover yield of dryland (rabi) sorghum in India: 1. Magnitude of genotype x environment interactions. Field Crops Research, 118 (3), 228-235. doi: 10.1016/j.fcr.2010.05.013
Arief, V. N., Kroonenberg, P. M., DeLacy, I. H., Dieters, M. J., Crossa, J., Dreisigacker, S., Braun, H. -J. and Basford, K. E. (2010). Construction and three-way ordination of the Wheat Phenome Atlas. Journal of Applied Probability and Statistics, 5 (1), 95-118.
DeLacy, Ian H., Fox, P. N., McLaren, Graham, Trethowan, Richard and White, Jeffery W. (2009). A conceptual model for describing processes of crop improvement in database structures. Crop Science, 49 (6), 2100-2112. doi: 10.2135/cropsci2009.01.0020
Hickey, Lee T., Dieters, Mark J., DeLacy, Ian H., Christopher, Mandy J., Kravchuk, Olena Y. and Banks, Phillip M. (2009). Screening for grain dormancy in segregating generations of dormant x non-dormant crosses in white-grained wheat (Triticum aestivum L.). Euphytica, 172 (2), 183-195. doi: 10.1007/s10681-009-0028-z
Hickey, Lee T., Dieters, Mark J., DeLacy, Ian H., Kravchuk, Olena Y., Mares, Daryl J. and Banks, Phillip M. (2009). Grain dormancy in fixed lines of white-grained wheat (Triticum aestivum L.) grown under controlled environmental conditions. Euphytica, 168 (3), 303-310. doi: 10.1007/s10681-009-9929-0
Christopher, Mandy, Mace, Emma, Jordan, David, Rodgers, David, McGowan, Paul, Delacy, Ian, Banks, Phillip, Sheppard, John, Butler, David and Poulsen, David (2007). Applications of pedigree-based genome mapping in wheat and barley breeding programs. Euphytica, 154 (3), 307-316. doi: 10.1007/s10681-006-9199-z
Mathews, K. L., Chapman, S. C., Trethowan, R., Pfeiffer, W., van Ginkel, M., Crossa, J., Payne, T., DeLacy, I., Fox, P. N. and Cooper, M. (2007). Global adaptation patterns of Australian and CIMMYT spring bread wheat. Theoretical And Applied Genetics, 115 (6), 819-835. doi: 10.1007/s00122-007-0611-4
de la Vega, A. J., DeLacy, I. H. and Chapman, S. C. (2007). Changes in agronomic traits of sunflower hybrids over 20 years of breeding in central Argentina. Field Crops Research, 100 (1), 73-81. doi: 10.1016/j.fcr.2006.05.007
de la Vega, A. J., DeLacy, I. H. and Chapman, S. C. (2007). Progress over 20 years of sunflower breeding in central Argentina. Field Crops Research, 100 (1), 61-72. doi: 10.1016/j.fcr.2006.05.012
Mace, E. S., Mathur, P. N., Izquierdo, L., Hunter, D., Taylor, M. B., Singh, D., Delacy, I. H., Jackson, G. V. H. and Godwin, I. D. (2006). Rationalization of taro germplam collections in the Pacific Island region using simple sequence repeat (SSR) markers. Plant Genetic Resources : Characterization and Utilisation, 4 (3), 210-220. doi: 10.1079/PGR2006125
Mathews, Ky L., Chapman, Scott C., Trethowan, Richard, Singh, Ravi P., Crossa, Jose, Pfeiffer, Wolfgang, van Ginkel, Maarten and DeLacy, Ian (2006). Global adaptation of spring bread and durum wheat lines near-isogenic for major reduced height genes. Crop Science, 46 (2), 603-613. doi: 10.2135/cropsci2005.05-0056
Basford, K. E., Federer, W. T. and DeLacy, I. H. (2004). Mixed model formulations for multi-environment trials. Agronomy Journal, 96 (1), 143-147. doi: 10.2134/agronj2004.0143
Qiao, C. G., Basford, K. E., DeLacy, I. H. and Cooper, M. (2004). Advantage of single-trial models for response to selection in wheat breeding multi-environment trials. Theoretical And Applied Genetics, 108 (7), 1256-1264. doi: 10.1007/s00122-003-1541-4
Wang, Jiankang, van Ginkel, Maarten, Podlich, Dean, Ye, Guoyou, Trethowan, Richard, Pfeiffer, Wolfgang, Delacy, Ian, Cooper, Mark and Rajaram, Sanjaya (2003). Comparison of two breeding strategies by computer simulation. Crop Science, 43 (5), 1764-1773. doi: 10.2135/cropsci2003.1764
van Eeuwijk, F. A., Cooper, M., DeLacy, I. H., Ceccarelli, S. and Grando, S. (2001). Some vocabulary and grammar for the analysis of multi-environment trials, as applied to the analysis of FPB and PPB trials. Euphytica, 122 (3), 477-490. doi: 10.1023/A:1017591407285
Wang, J., Podlich, D. W., Cooper, M. and DeLacy, I. H. (2001). Power of the joint segregation analysis method for testing mixed major-gene and polygene inheritance models of quantitative traits. Theoretical And Applied Genetics, 103 (5), 804-816. doi: 10.1007/s001220100628
Qiao, C. G., Basford, K. E., DeLacy, I. H. and Cooper, M. (2000). Evaluation of experimental designs and spatial analyses in wheat breeding trials. Theoretical and Applied Genetics, 100 (1), 9-16. doi: 10.1007/s001220050002
Butler, D. G., Redden, R. J., DeLacy, I. H. and Usher, T. (2000). Analysis of line x environment interactions for yield in navy beans. 1. Components of variance. Australian Journal of Agricultural Research, 51 (5), 597-605. doi: 10.1071/AR97135
DeLacy, I. H., Redden, R. J., Butler, D. G. and Usher, T. (2000). Analysis of line x environment interactions for yield in navy beans. 3. Pattern analysis of environments over years. Australian Journal of Agricultural Research, 51 (5), 619-628. doi: 10.1071/AR97137
DeLacy, IH, Skovmand, B and Huerta, J (2000). Characterization of Mexican wheat landraces using agronomically useful attributes. Genetic Resources and Crop Evolution, 47 (6), 591-602. doi: 10.1023/A:1026550624037
DeLacy, I. H., Rajaram, S., Cooper, M., Fox, P. N. and Basford, K. E. (2000). The effect of the accumulation of disease resistance genes on the long-term association of a global sample of environments for testing spring bread wheat. Theoretical and Applied Genetics, 101 (7), 1164-1172. doi: 10.1007/s001220051593
Harch, B. D., Basford, K. E., DeLacy, I. H. and Lawrence, P. K. (1999). The analysis of large scale data taken from the world groundnut (Arachis hypogaea L.) germplasm collection. II. Two-way data with mixed data types. Euphytica, 105 (2), 73-82. doi: 10.1023/A:1003415929910
Harch, B. D., Basford, K. E., DeLacy, I. H. and Lawrence, P. K. (1997). The analysis of large scale data taken from the world groundnut (Arachis hypogaea L.) germplasm collection I. Two-way quantitative data. Euphytica, 95 (1), 27-38. doi: 10.1023/A:1002971207770
Harch, BD, Basford, KE, DeLacy, IH, Lawrence, PK and Cruickshank, A (1996). Mixed data types and the use of pattern analysis on the Australian groundnut germplasm data. Genetic Resources and Crop Evolution, 43 (4), 363-376. doi: 10.1007/BF00132957
Abdalla O.S., Crossa J., Autrique E. and DeLacy I.H. (1996). Relationships among international testing sites of spring durum wheat. Crop Science, 36 (1), 33-40. doi: 10.2135/cropsci1996.0011183X003600010006x
Crossa, J, Basford, K, Taba, S, Delacy, I and Silva, E (1995). 3-Mode Analyses of Maize Using Morphological and Agronomic Attributes Measured in Multilocational Trials. Crop Science, 35 (5), 1483-1491. doi: 10.2135/cropsci1995.0011183X003500050036x
Harch, B. D., Basford, K. E., Delacy, I. H., Lawrence, P. K. and Cruickshank, A. (1995). Patterns of diversity in fatty-acid composition in the Australian groundnut germplasm collection. Genetic Resources and Crop Evolution, 42 (3), 243-256. doi: 10.1007/BF02431259
Cooper, M., Woodruff, D. R., Eisemann, R. L., Brennan, P. S. and DeLacy, I. H. (1995). A selection strategy to accommodate genotype-by-environment interaction for grain yield of wheat: managed-environments for selection among genotypes. Theoretical and Applied Genetics, 90 (3-4), 492-502. doi: 10.1007/BF00221995
Mirzawan, P. D.N., Cooper, M., DeLacy, I. H. and Hogarth, D. M. (1994). Retrospective analysis of the relationships among the test environments of the Southern Queensland sugarcane breeding programme. Theoretical and Applied Genetics, 88 (6-7), 707-716. doi: 10.1007/BF01253974
Cooper M. and DeLacy I.H. (1994). Relationships among analytical methods used to study genotypic variation and genotype-by-environment interaction in plant breeding multi-environment experiments. Theoretical and Applied Genetics, 88 (5), 561-572. doi: 10.1007/BF01240919
Connolly, A. G., Godwin, I. D., Cooper, M. and DeLacy, I. H. (1994). Interpretation of randomly amplified polymorphic DNA marker data for fingerprinting sweet potato (Ipomoea batatas L.) genotypes. Theoretical and Applied Genetics, 88 (3-4), 332-336. doi: 10.1007/BF00223641
Bull, JK, Basford, KE, Cooper, M and Delacy, IH (1994). Enhanced Interpretation of Pattern Analyses of Environments - the Use of Blocks. Field Crops Research, 37 (1), 25-32. doi: 10.1016/0378-4290(94)90078-7
Cooper, M., Byth, D. E. and DeLacy, I. H. (1993). A procedure to assess the relative merit of classification strategies for grouping environments to assist selection in plant breeding regional evaluation trials. Field Crops Research, 35 (1), 63-74. doi: 10.1016/0378-4290(93)90137-C
Cooper, M., DeLacy, I. H., Byth, D. E. and Woodruff, D. R. (1993). Predicting grain yield in Australian environments using data from CIMMYT international wheat performance trials. 2. The application of classification to identify environmental relationships which exploit correlated response to selection. Field Crops Research, 32 (3-4), 323-342. doi: 10.1016/0378-4290(93)90040-T
Bull, JK, Basford, KE, Delacy, IH and Cooper, M (1993). Determining Appropriate Group Number and Composition for Data Sets Containing Repeated Check Cultivars. Field Crops Research, 31 (3-4), 369-383. doi: 10.1016/0378-4290(93)90074-W
Cooper, M., Byth, D. E., DeLacy, I. H. and Woodruff, D. R. (1993). Predicting grain yield in Australian environments using data from CIMMYT international wheat performance trials. 1. Potential for exploiting correlated response to selection. Field Crops Research, 32 (3-4), 305-322. doi: 10.1016/0378-4290(93)90039-P
Lawrence, P. K. and DeLacy, I. H. (1993). Classification of locations in regional cotton variety trials where trial entries change over years. Field Crops Research, 34 (2), 195-207. doi: 10.1016/0378-4290(93)90007-A
DeLacy, I. H., Fox, P. N., Corbett, J. D., Crossa, J., Rajaram, S., Fischer, R. A. and van Ginkel, M. (1993). Long-term association of locations for testing spring bread wheat. Euphytica, 72 (1-2), 95-106. doi: 10.1007/BF00023777
Bull, JK, Basford, KE, Delacy, IH and Cooper, M (1992). Classifying Genotypic Data From Plant-Breeding Trials - a Preliminary Investigation Using Repeated Checks. Theoretical and Applied Genetics, 85 (4), 461-469. doi: 10.1007/BF00222328
Bull, JK, Cooper, M, Delacy, IH, Basford, KE and Woodruff, DR (1992). Utility of Repeated Checks for Hierarchical-Classification of Data From Plant-Breeding Trials. Field Crops Research, 30 (1-2), 79-95. doi: 10.1016/0378-4290(92)90058-H
Ivory, DA, Kaewmeechai, S, Delacy, IH and Basford, KE (1991). Analysis of the Environmental Component of Genotype X Environment Interaction in Crop Adaptation Evaluation. Field Crops Research, 28 (1-2), 71-84. doi: 10.1016/0378-4290(91)90075-7
Basford, KE, Kroonenberg, PM and Delacy, IH (1991). 3-Way Methods for Multiattribute Genotype X Environment Data - An Illustrated Partial Survey. Field Crops Research, 27 (1-2), 131-157. doi: 10.1016/0378-4290(91)90027-S
Basford, KE, Kroonenberg, PM, Delacy, IH and Lawrence, PK (1990). Multiattribute Evaluation of Regional Cotton Variety Trials. Theoretical and Applied Genetics, 79 (2), 225-234. doi: 10.1007/BF00225956
Basford, KE and Delacy, IH (1979). Use of Matrix Specifications in Defining Gene-Action in Genotypic Value Models and Generation Mean Analysis. Theoretical and Applied Genetics, 55 (5), 225-229. doi: 10.1007/BF00268116
Conference Papers
Lambrides, Christopher , Basford, Kaye , DeLacy, Ian , Cooper, Mark , Hardner, Craig , Godwin, Ian , Dieters, Mark and Arief, Vivi (2022). The pursuit of excellence; some reflections after 50+ years of plant breeding at The University of Queensland (9771). Australasian Plant Breeding Conference, Gold Coast, QLD, Australia, 9-11 May 2022.
Rouholamin, Sepideh, Arief, Vivi, Delacy, Ian and Basford, Kaye (2020). Pedigree Data Analysis of a Wheat Population. TropAg 2019, Brisbane, QLD Australia, 11-13 November 2019. Basel, Switzerland: MDPI. doi: 10.3390/proceedings2019036148
Arief, Vivi N., Yang, Wen-Hsi , DeLacy, Ian H., Arojju, Sai Krishna , Jahufer, Zulfi and Basford, Kaye E. (2020). QuLinePlus: A Versatile Module of QU-GENE for Plant Breeding Simulation. Plant and Animal Genome, San Diego, CA, United States, 11-15 January 2020.
Shewayrga, H., Arief, V. N., Hardner, C. M., DeLacy, I. H. and Basford, K. E. (2016). Spatial analysis for trials with limited replication. Australasian Applied Statistical Conference, Bermagui, NSW, Australia, 28 November - 2 December 2016.
DeLacy, Ian, Hickey, Lee, Arief, Vivi and Dieters, Mark J. (2014). Comparing speed breeding protocols using QU-GENE simulation. 15th Australasian Plant Breeding Conference, St Kilda, Victoria, Australia, 26-29 October 2014.
Arief, Vivi N., DeLacy, Ian H., Dieters, Mark J. and Basford, Kaye E. (2014). Application of marker-trait association profiles in simulating plant breeding strategies. 15th Australasian Plant Breeding Conference, St Kilda, Victoria, Australia, 26-29 October 2014.
Arief, Vivi, DeLacy, Ian, Tian, Ting, Crossa, Jose, Braun, Hans-J., Basford, Kaye and Dieters, Mark (2013). Evaluation of two-times testing for CIMMYT's international wheat nurseries. WBA Brisbane 2013: Wheat Breeding Assembly, Brisbane, QLD, Australia, 16-19 July, 2013. Brisbane, QLD, Australia:
Desmae, Haile, DeLacy, Ian, Arief, Vivi and Basford, Kaye (2013). Three interpretations of line-mean heritability calculated from plant breeding field trials. WBA Brisbane 2013: Wheat Breeding Assembly, Brisbane, QLD, Australia, 16-19 July, 2013. Brisbane, QLD, Australia:
Arief, Vivi, DeLacy, Ian, Basford, Kaye and Dieters, Mark (2012). Optimised dendrogram: extracting population information using seriation to enhance hierarchical clustering. 4th International Conference on Quantitative Genetics, Edinburgh, Scotland, 17-22 June 2012.
Arief, V. N., DeLacy, I. H., Wenzl, P., Basford, K. E., Driesigacker, S., Crossa, J. and Dieters, M. J. (2011). Relationships among markers based on haplotype combinations in populations of related homozygous genotypes. Wheat Breeding Assembly, Perth, Australia, 24 - 26 August 2011.
DeLacy, I. H., Arief, V. N. and Basford, K. E. (2011). Status Analysis: projecting genotype performance into long-term environment discrimination space. Australasian Applied Statistical Conference, Cairns, Australia, 11-15 July 2011.
Moody, D. B., Tait, S., Steadman, J. F., Panozzo, J. F., Walker, C., Hayden, M. J., Forrest, K L., Arief, V. N., Dieters, M.J. and Delacy, I.H. (2011). The challenge of breeding for grain plumpness in malting barley. Proceedings of the 15th Australian Barley Technical Symposium, Adelaide, 18-21 September.
DeLacy, I. H., Arief, V. N., Payne, T., Braun, H.-J. and Basford, K. E. (2011). Extending status analysis to project genotype performance into long-term environment discrimination space –an example. Wheat Breeding Assembly, Perth AUSTRALIA, 24 - 26 August 2011.
Arief, V. N., Kroonenberg, P. M., DeLacy, I. H., Dieters, M. J., Crossa, J. and Basford, K. E. (2010). Construction and three-way ordination of the Wheat Phenome Atlas. Tenth Islamic Countries Conference on Statistical Sciences (ICCS-X), Cairo, Egypt, 20-23 December 2010. Lahor, Pakistan: The Islamic Countries Society of Statistical Sciences (ISOSS).
Arief, Vivi N., DeLacy, Ian H., Crossa, Jose, Dieters, Mark J. and Basford, Kaye E. (2010). The use of pedigree, molecular marker and phenotypic data to investigate population structures in 25 years of the CIMMYT global wheat breeding program. 8th International Wheat Conference, St. Petersburg, Russia, 1-4 June 2010. St. Petersburg, Russia: N.I. Vavilov Research Institute of Plant Industry (VIR).
Mathews, Ky L., Trethowan, Richard, Milgate, Andrew, Payne, Thomas, van Ginkel, Maarten, Crossa, Jose, DeLacy, Ian H., Cooper, Mark and Chapman, Scott C. (2010). Indirect selection using reference genotype performance in a global spring wheat multi-environment trial. 8th International Wheat Conference, St Petersburg, Russia, 1-4 June 2010. St. Petersburg, Russia: N.I. Vavilov Research Institute of Plant Industry (VIR).
Bansal, Urmil K., Arief, Vivi, Miah, Hanif, DeLacy, Ian H. and Bariana, Harbans S. (2010). Association mapping of rust resistance in pre-green revolution wheat accessions. Borlaug Global Rust Initiative 2010 Technical Workshops, St. Petersburg, Russia, 30-31 May 2010.
Arief, Vivi N., DeLacy, Ian H., Crossa, Jose, Dieters, Mark J. and Basford, Kaye E. (2010). The use of pedigree, molecular marker and phenotypic data to investigate population structures in 25 years of the CIMMYT global wheat breeding program. Eighth International Wheat Conference, St Petersburg, Russia, 1 - 4 June 2010. St. Petersburg, Russia: Vavilov Research Institute of Plant Industry.
Arief, Vivi N., Kroonenberg, Pieter M., DeLacy, Ian H., Dieters, Mark J., Crossa, Jose, Dreisigacker, Susanne, Braun, Hans-J. and Basford, Kaye E. (2010). Three-way ordination of rust GWAS using 25 years of one of CIMMYT global wheat breeding programs. Borlaug Global Rust Initiative 2010 Technical Workshops, St. Petersburg, Russia, 30-31 May 2010.
S. Micallef, K. Mathews, I. Delacy, R. Trethowan and M. Dieters (2009). Data management for the CIMMYT-ICARDA-Australia Alliance project. 14th Australasian Plant Breeding Conference and 11th SABRAO, Cairns, Australia, 10-14 August 2009. Bangkok, Thailand: Society for the Advancement of Breeding Researches in Asia and Oceania.
Loch, Donald S., Roche, Matthew B., Sun-Yue, Jenny, Arief, Vivi N., Delacy, Ian H. and Lambrides, Christopher J. (2009). Characterization of commercial cultivars and naturalized genotypes of Stenotaphrum secundatum (Walter) Kuntze in Australia. 11th ITRC: 2009 International Turfgrass Research Conference, Santiago, Chile, 26-31 July 2009. Overland Park, KS, U.S.A.: Intertec Publishing.
Arief, Vivi N., Kroonenberg, Pieter M., DeLacy, Ian H., Dieters, Mark J., Crossa, Jose and Basford, Kaye E. (2009). An application of wheat phenome atlas using three-way principal component analysis. OECD Genome Association Oz09, Perth, Australia, 9-12 November 2009.
Arief, V. N., Delacy, I. H., Crossa, J., Kroonenberg, P. M., Dieters, M. J. and Basford, K. E. (2009). Ordination of marker-trait association profiles from long-term international wheat trials. Biometrics 2009: Biometrics on the Lake. The International Biometric Society Australasian Region Conference, Taupo, New Zealand, 29 November-3 December 2009. International Biometric Society Australasian Region (IBS AR).
Niu, N., Arief, V. N., Delacy, I. H., Lush, D., Dieters, M. J. and Zhang, G. S. (2009). Genetic gain in yield and protein over two cycles of recurrent selection program. 14th Australasian Plant Breeding and 11th SABRAO Conference, Cairns, Australia, 10–14 August 2009. Bangkok, Thailand: Society for the Advancement of Breeding Researches in Asia and Oceania.
V.N. Arief, I.H. Delacy, P. Wenzl and M.J. Dieters (2009). Genetic disequilibrium mapping using high-throughput data from a plant breeding program. 14th Australasian Plant Breeding Conference and 11th SABRAO, Cairns, Australia, 14-18 August 2009. Bangkok, Thailand: Society for the Advancement of Breeding Researches in Asia and Oceania.
Arief, V. N., Delacy, I. H., Dieters, M. J., Crossa, J., Dreisigacker, S. and Basford, K. E. (2009). Pattern analysis of marker-trait association profiles derived from 25 years of international wheat performance trials. 14th Australasian Plant Breeding Conference (APBC) and the 11th Congress of the Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO). Contemporary Crop Improvement: A Tropical View, Cairns, Australia, 10-14 August 2009. Bangkok, Thailand: Society for Advancement of Breeding Research in Asia and Oceania.
Hardner, C., Dieters, M., Delacy, I., Neal, J., Fletcher, S., Dale, G. and Basford, K. (2009). Identifying deployment zones for Eucalyptus camaldulensis x E. globulus and x E. grandis hybrids using factor analytic modelling of genotype by environment interaction. Australasian Forest Genetics Conference, Perth Western Australia, 20-22 April, 2009. Forest Products Commission.
Hickey, L., Dieters, M. J., Delacy, I. H., Christopher, M. J., Kravchuk, O. Y., Mares, D. J. and Banks, P. M. (2009). Opportunities for integration of pre-harvest sprouting screening in wheat breeding programs. 14th Australasian Plant Breeding Conference (APBC) and Congress of the Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO), Cairns, Australia, 10-14 August 2009. Bangkok, Thailand: Society for Advancement of Breeding Research in Asia and Oceania.
DeLacy, Ian H., Arief, Vivi N., Dieters, Mark J., Crossa, Jose, Godwin, Ian, Batley, Jacqueline, Davenport, Guy, Dreisiqacker, Susane, Edwards, Dave, Huttner, Eric, Lambrides, Christopher, Manes, Yan, Payne, Thomas, Singh, Ravi P., Warburton, Marilyn, Wenzl, Peter, William, Manilal, Kilian, Andrzej, McLaren, Graham, Crouch, Jonathan and Basford, Kaye E. (2008). A comparison of three genotype structures for 686 lines derived from pedigrees (COP), 1400 DArT markers and 420,000 data points from 25 Years of CIMMYT international bread wheat trials. Plant and Animal Genome XVI Conference, San Diego, CA, U.S.A., 12-16 January 2008.
Godwin, Ian D., DeLacy, Ian H., Arief, Vivi N., Dieters, Mark J., Lambrides, Christopher J., Basford, Kaye E., Crossa, Jose, Dreisigacker, Susanne, Kilian, Andrzej, Huttner, Eric, Crouch, Jonathan and McLaren, Graham (2008). Developing the wheat phenome atlas: Integrating 25 years of international wheat phenotypic data with genome analysis. 5th International Crop Science Conferences, Jeju, South Korea, 13-18 April, 2008.
DeLacy, Ian H., Dieters, Mark J., Crossa, Jose, Godwin, Ian D., Arief, Vivi N., Batley, Jacqueline, Davenport, Guy, Dreisigacker, Susanne, Edwards, David, Huttner, Eric, Lambrides, Christopher J., Manes, Yann, Payne, Thomas, Singh, Ravi P., Duvieller, Etienne, Warburton, Marilyn, Wenzl, Peter, Kilian, Andrzej, McLaren, Graham, Braun, Hans-J., Crouch, Jonathan, Ortiz, Rodomiro and Basford, Kaye E. (2008). Towards a wheat phenome atlas and a phenome atlas toolbox: What are they? What progress?. 11th International Wheat Genetics Symposium, Brisbane, Queensland, 24-29 August 2008. Sydney, Australia: Sydney University Press.
Arief, Vivi N., DeLacy, Ian H., Dieters, Mark J., Crossa, Jose, Godwin, Ian, Batley, Jacqueline, Davenport, Guy, Dreisiqacker, Susane, Edwards, Dave, Huttner, Eric, Lambrides, Christopher, Manes, Yan, Payne, Thomas, Singh, Ravi P., Warburton, Marilyn, Wenzl, Peter, Williams, Manila, Kilian, Andrezj, McLaren, Graham, Crouch, Jonathan and Basford, Kaye E. (2008). Association between phenotype and DArT markers in spring wheat using 25 years Of CIMMYT international field trial data. Plant & Animal Genomes XVI Conference, San Diego, USA, 12-16 January 2008.
Dreisigacker, S., Arief, V. N., DeLacy, I. H., Davenport, G., Manes, Y., Reynolds, M. P., Singh, R. P., Dieters, M. J. and Crossa, J. (2008). Patterns of linkage disequilibrium in multiple populations. 11th International Wheat Genetics Symposium, Brisbane, Queensland, 24-29 August, 2008. Sydney, Australia: Sydney University Press.
Arief, Vivi N., DeLacy, Ian H., Dieters, Mark J., Crossa, Jose, Godwin, Ian D., Batley, Jacqueline, Davenport, Guy, Dreisigacker, Susanne, Duvieller, Etienne, Edwards, D., Huttner, E., Lambrides, C., Manes, Y., Payne, T., Singh, R. P., Warburton, Marilyn, Wenzl, Peter, Kilian, Andrzej, McLaren, Graham, Braun, Hans-J., Crouch, Jonathan, Ortiz, Rodomiro and Basford, Kaye E. (2008). Marker/trait associations identified in spring wheat using 25 years of CIMMYT International Trials. 11th International Wheat Genetics Symposium, Brisbane, QLD Australia, 24-29 August 2008. Sydney, NSW Australia: Sydney University Press.
Micallef, S., DeLacy, I. and Dieters, M. (2008). Storage, analysis and communication of information from diverse wheat field trials. 11IWGS: 11th International Wheat Genetics Symposium, Brisbane, QLD Australia, 24-29 August 2008. Sydney, NSW Australia: Sydney University Press.
Christopher, M, Mace, E, Jordan, D, Rodgers, D, McGowan, P, Delacy, I, Banks, P, Sheppard, J, Butler, D and Poulsen, D (2007). Applications of pedigree-based genome mapping in wheat and barley breeding programs. 13th Australasian Plant Breeding Conference, Christchurch, NEW ZEALAND, 18-21 Apr 2006. Dordrecht, Netherlands: Springer. doi: 10.1007/s10681-006-9199-z
Micallef, Alexandra and DeLacy, Ian H. (2006). Australian wheat genealogy service. 13th Australasian Plant Breeding Conference, Chrischurch, New Zealand, 18-21 April 2006. Dunedin, New Zealand: New Zealand Grassland Association.
Micallef, Alexandra, Ye, Gouyou, DeLacy, Ian H. and Basford, Kaye E. (2006). CIS (International Crop Information System) for Australian breeding programs. 13th Australasian Plant Breeding Conference, Christchurch, New Zealand, 18-21 April 2006.
Christopher, Mandy J., Mace, Emma, Jordan, David, Rodgers, David, McGowan, Paul, DeLacy, Ian H., Banks, Phillip M., Sheppard, John., Butler, David G. and Poulsen, David (2006). Applications of pedigree-based genome mapping in wheat and barley breeding programs. 13th Australasian Plant Breeding Conference, Christchurch, New Zealand, 18-21 April 2006. Dunedin, New Zealand: New Zealand Grassland Association.
DeLacy, I. H., Micallef, A. and Basford, K. E. (2006). ICIS (International Crop Information System) for Australian breeding programs. 13th Australasian Plant Breeding Conference, Christchurch, New Zealand, 18-21 April, 2006.
Micallef, A., Ye, G., DeLacy, I. H. and Basford, K. E. (2006). Australian wheat breeding programs - Enhanced evaluation of CIMMYT germplasm. 13th Australasian Plant Breeding Conference, Christchurch, New Zealand, 18-21 April, 2006.
Arief, V. N., Dieters, M. J, . and DeLacy, I. H. (2006). Comparision of cycle 0 in two recurrent selection programs in bread wheat for the northern region of Australia. Breeding for Success: Diversity in Action, Christchurch, New Zealand, 18-21 Apr 2006. Dunedin, New Zealand: NZ Grassland Association.
Delacy, I. H., Dieters, M., Wang, J. and Basford, K. E. (2005). Computer simulation of plant breeding programs. 4th International Food Legume Research Conference, New Delhi, India, 20-22 October, 2005.
Basford, K. E., Delacy, I. H. and Brusic, V. (2005). Some issues in the application of informatics in plant breedings. How to utilize crop diversity for productivity and sustainability Breeding Science and Technology for the new era, Tsukuba, Japan, 22-23 August, 2005. Japan: Society for the Advmt of Breeding Researchers in Asia and Ocs.
Wang, JK, van Ginkel, M, Trethowan, R, Ye, GY, DeLacy, I, Podlich, D and Cooper, M (2004). Simulating the effects of dominance and epistasis on selection response in the CIMMYT wheat breeding program using QuCim. -, -, -. Madison, United States: Crop Science Society of America. doi: 10.2135/cropsci2004.2006
Chigeza, G., Tembo, E., Pixley, K., Mwsaka, R., Delacy, I. H. and Godwin, I. D. (2002). Quantifying the relationship between heterosis and genetic distance for Gray Leaf Spot resistance in eight sub-tropical elite maize inbred lines using simple sequence repeats. Plant Breeding for the 11th Millennium, Perth, W.A./Hyatt Regency Perth, 15-20 September, 2002. Perth, W.A.: The Australasian Platn Breeding Association Inc.
Hammer, G. L., Basford, K. E., Delacy, I. H., Chapman, S. C. and Cooper, M. (2002). The unit for modelling plant breeding programs at The University of Queensland. 12th Australasian Plant Breeding Conference, Perth, Western Australia, 15-20 September 2002. Perth, WA, Australia: The Australasian Plant Breeding Association.
Mathews, K. L., Chapman, S.C., Butler, D., Cooper, M., Delacy, I. H., Sheppard, J. A., Kelly, A. and Sahama, T. R. (2002). Inter-annual changes in genotypic and genotype by environment variance components for different stages of the Northern Wheat Improvement Program. 12th Australasian Plant Breeding Conference, Perth, Western Australia, 15-20 December, 2002. Perth, W.A.: The Australasian Plant Breeding Association.
Basford, Kaye, DeLacy, I. H. and Cooper, M. (2002). Correlated Genetic Advance from Multi-Environment Trials to the Target Population of Environments. Australasian Genstat Conference 2002, Busselton, Western Australia, 4-6 December 2002.
Micallef, A.S., Delacy, I. H. and Weerasinghe, S. S. (2001). Design of an ICIS study to store the data from plant breeding multi environment trial. Wheat Breeding Society of Australia Inc. 10th Assembly, Mildura, Victoria, Australia, 16-21 September, 2001. Australia: Wheat Breeding Society of Australia Inc..
Skovmand, B., Reynolds, M. P. and DeLacy, I. H. (2001). Mining wheat germplasm collections for yield enhancing traits. Dordrecht, The Netherlands: Kluwer Academic Publishers. doi: 10.1023/A:1017528025501
Wegener, M. K., Sheppard, J. A., DeLacy, I. H., Butler, D. G., Ratnasiri, W. G., Ellison, F. W., Brennan, P. S. and Cooper, M. (1999). Wheat multi-environment testing in the GRDC Northern Region. V. Optimum number of regional trials for cultivar selection. Vision 2020, The Univ. of Southern Qld., Toowoomba, Qld., 27 Sept - 1 Oct 1999. Toowoomba, Qld.: Organising Committee Aust. Wheat Breeding Society.
Wegener, M. K., Sheppard, J. A., DeLacy, I. H., Butler, D. G., Ratnasiri, W. G., Ellison, F. W., Brennan, P. S. and Cooper, M. (1999). Wheat multi-environment testing in the GRDC Northern Region. III. An analysis of trial costs in Central and Southern Queensland. Vision 2020, The Univ. of Southern Qld., Toowoomba, Qld., 27 Sept - 1 Oct, 1999. Toowoomba, Qld.: Organising Committee Aust. Wheat Breeding Society.
Sheppard, J. A., DeLacy, I. H., Butler, D. G., Ratnasiri, W. G., Ellison, F. W., Brennan, P. S. and Cooper, M. (1999). Wheat multi-environment testing in the GRDC Northern Region. IV. Geographical zoning. Vision 2020, The Univ. of Southern Qld, Toowoomba, Qld, 27 September - 1 October 1999. Toowoomba, Qld: Organising Committee Aust. Wheat Breeding Society.
Sheppard, J. A., DeLacy, I. H., Butler, D. G., Ratnasiri, W. G., Ellison, F. W., Brennan, P. S. and Cooper, M. (1999). Wheat multi-environment testing in the GRDC Northern Region. II. Genotype-by-environment interactions. Vision 2020, The Univ. of Southern Qld, Toowoomba, Qld, 27 September - 1 October 1999. Toowoomba, Qld: Organising Committee Aust. Wheat Breeding Society.
Sheppard, J. A., DeLacy, I. H., Butler, D. G., Ratnasiri, W. G., Ellison, F. W., Brennan, P. S. and Cooper, M. (1999). Wheat multi-environment testing in the GRDC Northern Region. I. Grain yield database. Vision 2020, The Univ. of Southern Qld, Toowoomba, Qld, 27 September - 1 October 1999. Toowoomba, Qld: Organising Committee Aust. Wheat Breeding Society.
Ratnasiri, W. G. and DeLacy, I. H. (1999). Enhanced evaluation of CIMMYT germplasm for Australia. Vision 2020, The Univ. of Southern Qld, Toowoomba, Qld, 27 Sept - 1 Oct, 1999. Toowoomba, Qld: Organising Committee Aust. Wheat Breeding Society.
Ratnasiri, W. G., Poulsen, D. M. and DeLacy, I. H. (1999). The magnitude of genotype by environment interactions for grain yield of barley variety trials in Queensland. 11th Australian Plant Breeding Conference, Stamford Grand Hotel, Glenelg, Adelaide, 19-23 April 1999. Adelaide: Organising Committee Aust. Wheat Breeding Society.
Qiao, C., Basford, K. E., Cooper, M., DeLacy, I. H., Phillips, I. G. and Matassa, V. J. (1999). Quantifying the effect of analytical methods on estimates of heritability from wheat multi-environment trials. Biometrics 99, Univ. of Tas., Hobart, Tas, Aust., 12-16 December 1999. Hobart, Aust.: Int. Biometric Society, Australasian Region.
Ratnasiri, W. G., Poulsen, D. M. and DeLacy, I. H. (1999). Long term relationship among test environments of grain yield of barley variety trials in Queensland. 11th Australian Plant Breeding Conference, Stamford Grant Hotel, Glenelg, Adelaide, 19-23 April 1999. Adelaide: Organising Committee Aust. Wheat Breeding Society.
Qiao, C., DeLacy, I. H., Cooper, M. and Basford, K. E. (1999). Effect of check genotypes on the combined analysis of wheat breeding multi-environment trials. Vision 2020, The Univ. of Southern Qld, Toowoomba, 27 September - 1 October 1999. Toowoomba, Qld: Organising Committee Aust. Wheat Breeding Society.
Jensen, N., DeLacy, I. H., Cooper, M., McLaren, C. G. and Fox, P. N. (1999). The ICIS solution to pedigree and data management in the germplasm enhancement program. Vision 2020, The Univ. of Southern Qld, Toowoomba, 27 September - 1 October 1999. Toowoomba, Qld: Organising Committee Aust. Wheat Breeding Society.
Qiao, C., Basford, K. E., DeLacy, I. H. and Cooper, M. (1999). Application of different experimental designs and analytical methods in the analysis of variety trials. 11th Australian Plant Breeding Conference, Stamford Grand Hotel, Glenelg, SA, 19-23 April 1999. Adelaide: Univ. of Adelaide (Waite Campus), SA.
Basford, KE, Delacy, IH and Dalton, R (1979). Comparison of Different Genotypic Models Using Generation Means. WASHINGTON: INTERNATIONAL BIOMETRIC SOC.