Computational and Analytical Sciences
| Title | Computational and Analytical Sciences |
|---|---|
| Type | Science Department |
| Institute | Rothamsted Research |
| Head | Chris Rawlings |
| Executive Assistant | Sally Murdoch |
Outputs
Sort by: Date Title
Environmental change and the phenology of European aphids
A - Papers appearing in refereed journals
Harrington, R., Clark, S. J., Welham, S. J., Verrier, P. J., Denholm, C. H., Hulle, M., Maurice, D., Rounsevell, M. D., Cocu, N. and European Union Examine Consortium 2007. Environmental change and the phenology of European aphids. Global Change Biology. 13 (8), pp. 1550-1564. https://doi.org/10.1111/j.1365-2486.2007.01394.x
Drought effects on yield and its components in Indian mustard (Brassica juncea L.)
A - Papers appearing in refereed journals
Chauhan, J. S., Tyagi, M. K., Kumar, A., Nashaat, N. I., Singh, M., Singh, N. B., Jakhar, M. L. and Welham, S. J. 2007. Drought effects on yield and its components in Indian mustard (Brassica juncea L.). Plant Breeding. 126 (4), pp. 399-402. https://doi.org/10.1111/j.1439-0523.2007.01394.x
Are GM and conventionally bred cereals really different?
A - Papers appearing in refereed journals
Shewry, P. R., Baudo, M., Lovegrove, A., Powers, S. J., Napier, J. A., Ward, J. L., Baker, J. M. and Beale, M. H. 2007. Are GM and conventionally bred cereals really different? Trends in Food Science and Technology. 18, pp. 201-209. https://doi.org/10.1016/j.tifs.2006.12.010
A comparison of mixed model splines for curve fitting
A - Papers appearing in refereed journals
Welham, S. J., Cullis, B. R., Kenward, M. G. and Thompson, R. 2007. A comparison of mixed model splines for curve fitting. Australian & New Zealand Journal of Statistics. 49 (1), pp. 1-23. https://doi.org/10.1111/j.1467-842X.2006.00454.x
Multivariate spatial statistical analysis of longitudinal data in perennial crops
A - Papers appearing in refereed journals
De Resende, M. D. V., Thompson, R. and Welham, S. J. 2006. Multivariate spatial statistical analysis of longitudinal data in perennial crops. Revista de Matemática e Estatística, São Paulo,. 24 (1), pp. 147-169.
Genetic characterization and functional analysis of the GID1 gibberellin receptors in Arabidopsis
A - Papers appearing in refereed journals
Griffiths, J., Murase, K., Rieu, I., Zentella, R., Zhang, Z-L., Powers, S. J., Gong, F., Phillips, A. L., Hedden, P., Sun, T-P. and Thomas, S. G. 2006. Genetic characterization and functional analysis of the GID1 gibberellin receptors in Arabidopsis. The Plant Cell. 18 (12), pp. 3399-3414. https://doi.org/10.1105/tpc.106.047415
Development and uptake of a scheme for predicting risk of severe light leaf spot on oilseed rape
G - Articles in popular magazines and other technical publications
Evans, N., Welham, S. J., Antoniw, J. F. and Fitt, B. D. L. 2006. Development and uptake of a scheme for predicting risk of severe light leaf spot on oilseed rape. Outlooks on Pest Management. 17 (6), pp. 243-245. https://doi.org/10.1564/17dec02
Importance of airborne contamination during dressing of beef and lamb carcasses
A - Papers appearing in refereed journals
Burfoot, D., Whyte, R., Tinker, D., Howell, M., Hall, K., Holah, J., Smith, D., White, R. P., Baker, D. and Mcintosh, J. 2006. Importance of airborne contamination during dressing of beef and lamb carcasses. Journal Of Food Protection. 69, pp. 2828-2836. https://doi.org/10.4315/0362-028x-69.12.2828
On spatial prediction of soil properties in the presence of a spatial trend: the empirical best linear unbiased predictor (E-BLUP) with REML
A - Papers appearing in refereed journals
Lark, R. M., Cullis, B. R. and Welham, S. J. 2006. On spatial prediction of soil properties in the presence of a spatial trend: the empirical best linear unbiased predictor (E-BLUP) with REML. European Journal of Soil Science. 57 (6), pp. 787-799. https://doi.org/10.1111/j.1365-2389.2005.00768.x
Pasture and sheep responses to lime application in a grazing experiment in a high-rainfall area, south-eastern Australia. I. Pasture production
A - Papers appearing in refereed journals
Li, G. D., Helyar, K. R., Welham, S. J., Conyers, M. K., Castleman, L. J. C., Fisher, R. P., Evans, C. M., Cullis, B. R. and Cregan, P. D. 2006. Pasture and sheep responses to lime application in a grazing experiment in a high-rainfall area, south-eastern Australia. I. Pasture production. Australian Journal of Agricultural Research. 57, pp. 1045-1055. https://doi.org/10.1071/AR05298
Issues concerning the design and analysis of comparative field experiments
A - Papers appearing in refereed journals
Welham, S. J. and Clark, S. J. 2006. Issues concerning the design and analysis of comparative field experiments. Outlooks on Pest Management. 17, pp. 175-180. https://doi.org/10.1564/17aug10
Estimating the spatial scales of regionalized variables by nested sampling, hierarchical analysis of variance and residual maximum likelihood
A - Papers appearing in refereed journals
Webster, R., Welham, S. J., Potts, J. M. and Oliver, M. A. 2006. Estimating the spatial scales of regionalized variables by nested sampling, hierarchical analysis of variance and residual maximum likelihood. Computers & Geosciences. 32, pp. 1320-1333. https://doi.org/10.1016/j.cageo.2005.12.002
The analysis of longitudinal data using mixed model L-splines
A - Papers appearing in refereed journals
Welham, S. J., Cullis, B. R., Kenward, M. G. and Thompson, R. 2006. The analysis of longitudinal data using mixed model L-splines. Biometrics. 62 (2), pp. 392-401. https://doi.org/10.1111/j.1541-0420.2005.00500.x
Major genetic changes in wheat with potential to affect disease tolerance
A - Papers appearing in refereed journals
Foulkes, M. J., Paveley, N. D., Worland, A., Welham, S. J., Thomas, J. and Snape, J. W. 2006. Major genetic changes in wheat with potential to affect disease tolerance. Phytopathology. 96, pp. 680-688. https://doi.org/10.1094/PHYTO-96-0680
Comparative field performance over 3 years and two sites of transgenic wheat lines expressing HMW subunit transgenes
A - Papers appearing in refereed journals
Shewry, P. R., Powers, S. J., Field, J. M., Fido, R. J., Jones, H. D., Arnold, G. M., West, J., Lazzeri, P. A., Barcelo, P., Barro, F., Tatham, A. S., Bekes, F., Butow, B. and Darlington, H. 2006. Comparative field performance over 3 years and two sites of transgenic wheat lines expressing HMW subunit transgenes. Theoretical and Applied Genetics. 113, pp. 128-136. https://doi.org/10.1007/s00122-006-0279-1
Production of high-starch, low-glucose potatoes through over-expression of the metabolic regulator SnRK1
A - Papers appearing in refereed journals
Mckibbin, R. S., Muttucumaru, N., Paul, M. J., Powers, S. J., Burrell, M. M., Coates, S., Purcell, P. C., Tiessen, A., Geigenberger, P. and Halford, N. G. 2006. Production of high-starch, low-glucose potatoes through over-expression of the metabolic regulator SnRK1. Plant Biotechnology Journal. 4 (4), pp. 409-418. https://doi.org/10.1111/j.1467-7652.2006.00190.x
Transgenesis has less impact on the transcriptome of wheat grain than conventional breeding
A - Papers appearing in refereed journals
Baudo, M. M., Lyons, R., Powers, S. J., Pastori, G. M., Edwards, K. J., Holdsworth, M. J. and Shewry, P. R. 2006. Transgenesis has less impact on the transcriptome of wheat grain than conventional breeding. Plant Biotechnology Journal. 4 (4), pp. 369-380. https://doi.org/10.1111/j.1467-7652.2006.00193.x
Light leaf spot risk reduced due to "dry" winter
G - Articles in popular magazines and other technical publications
Evans, N., Welham, S. J., Antoniw, J. F. and Fitt, B. D. L. 2006. Light leaf spot risk reduced due to "dry" winter. RRA Newsletter. No. 21, p. 1.
Simulated beetle defoliation on willow genotypes in mixture and monotype plantations
A - Papers appearing in refereed journals
Powers, S. J., Peacock, L., Yap, M-L. and Brain, P. 2006. Simulated beetle defoliation on willow genotypes in mixture and monotype plantations. Annals of Applied Biology - AAB. 148 (1), pp. 27-38. https://doi.org/10.1111/j.1744-7348.2005.00035.x
Enhanced seed phytosterol accumulation through expression of a modified HMG-CoA reductase
A - Papers appearing in refereed journals
Hey, S. J., Powers, S. J., Beale, M. H., Hawkins, N. D., Ward, J. L. and Halford, N. G. 2006. Enhanced seed phytosterol accumulation through expression of a modified HMG-CoA reductase. Plant Biotechnology Journal. 4 (2), pp. 219-229. https://doi.org/10.1111/j.1467-7652.2005.00174.x
Development of ‘RL Plus’: winter wheat variety performance in relation to site characteristics (HGCA Project Report No. 365)
D1 - Technical reports: non-confidential
Welham, S. J., Thompson, R. and Sylvester-Bradley, R. 2005. Development of ‘RL Plus’: winter wheat variety performance in relation to site characteristics (HGCA Project Report No. 365). Stoneleigh Home Grown Cereals Authority (HGCA).
Use of risk prediction models for integrated control of diseases of oilseed rape in the UK
C1 - Edited contributions to conferences/learned societies
Evans, N., Welham, S. J., Baierl, A., Antoniw, J. F., Papastamati, K., Van Den Bosch, F., Fitt, B. D. L., Gladders, P., Turner, J. A. and Elcock, S. 2005. Use of risk prediction models for integrated control of diseases of oilseed rape in the UK. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 31 October-2 November 2005 . pp. 649-654
Statistical modelling of weed seedbanks to consider the effect of crop rotations
C2 - Non-edited contributions to conferences
Powers, S. J. and Bohan, D. A. 2005. Statistical modelling of weed seedbanks to consider the effect of crop rotations. Cambridge University Press (CUP).
Predicting the environmental thresholds for cambial and secondary vascular tissue development in stems of hybrid aspen
A - Papers appearing in refereed journals
Barlow, P. W. and Powers, S. J. 2005. Predicting the environmental thresholds for cambial and secondary vascular tissue development in stems of hybrid aspen. Annals Of Forest Science. 62, pp. 565-573.
Behavioural responses by slugs to chemicals from a generalist predator
A - Papers appearing in refereed journals
Armsworth, C. G., Bohan, D. A., Powers, S. J., Glen, D. M. and Symondson, W. O. C. 2005. Behavioural responses by slugs to chemicals from a generalist predator. Animal Behaviour. 69, pp. 805-811.
Exploitation of aphid monitoring systems in Europe to improve observation and prediction of global change impacts on terrestrial ecosystems: EXAMINE. (Final report to the EU on contract EVK2-CT-1999-20001)
D1 - Technical reports: non-confidential
Harrington, R., Verrier, P. J., Denholm, C. H., Clarke, S. J., Welham, S. J., Maurice, D., Rounsevell, M., Cocu, N., Knight, J. and Hulle, M. 2004. Exploitation of aphid monitoring systems in Europe to improve observation and prediction of global change impacts on terrestrial ecosystems: EXAMINE. (Final report to the EU on contract EVK2-CT-1999-20001).
Comments on the use of statistical tests in the comparison of stochastic weather generators by Qian et al. (2004)
A - Papers appearing in refereed journals
Semenov, M. A. and Welham, S. J. 2004. Comments on the use of statistical tests in the comparison of stochastic weather generators by Qian et al. (2004). Climate Research. 28 (1), pp. 83-84. https://doi.org/10.3354/cr028083
A perspective on the measurement of time in plant disease epidemiology
A - Papers appearing in refereed journals
Lovell, D. J., Powers, S. J., Welham, S. J. and Parker, S. R. 2004. A perspective on the measurement of time in plant disease epidemiology. Plant Pathology. 53 (6), pp. 705-712. https://doi.org/10.1111/j.1365-3059.2004.01097.x
Development of the oilseed rape light leaf spot forecast: from model to mobile phone
A - Papers appearing in refereed journals
Evans, N., Welham, S. J., Baierl, A., Antoniw, J. F. and Fitt, B. D. L. 2004. Development of the oilseed rape light leaf spot forecast: from model to mobile phone. Aspects of Applied Biology. 72, pp. 67-74.
Predicting light leaf spot (Pyrenopeziza brassicae ) risk on winter oilseed rape (Brassica napus ) in England and Wales, using survey, weather and crop information
A - Papers appearing in refereed journals
Welham, S. J., Turner, J. A., Gladders, P., Fitt, B. D. L., Evans, N. and Baierl, A. 2004. Predicting light leaf spot (Pyrenopeziza brassicae ) risk on winter oilseed rape (Brassica napus ) in England and Wales, using survey, weather and crop information. Plant Pathology. 53, pp. 713-724.
Effects of host variety on blue willow beetle Phratora vulgatissima performance
A - Papers appearing in refereed journals
Peacock, L., Harris, J. and Powers, S. J. 2004. Effects of host variety on blue willow beetle Phratora vulgatissima performance. Annals of Applied Biology - AAB. 144 (1), pp. 45-52. https://doi.org/10.1111/j.1744-7348.2004.tb00315.x
Prediction in linear mixed models
A - Papers appearing in refereed journals
Welham, S. J., Cullis, B. R., Gogel, B., Gilmour, A. and Thompson, R. 2004. Prediction in linear mixed models. Australian & New Zealand Journal of Statistics. 46 (3), pp. 325-347. https://doi.org/10.1111/j.1467-842X.2004.00334.x
Tolerance of septoria leaf blotch in winter wheat
A - Papers appearing in refereed journals
Parker, S. R., Welham, S. J., Paveley, N. D., Foulkes, J. and Scott, R. K. 2004. Tolerance of septoria leaf blotch in winter wheat. Plant Pathology. 53 (1), pp. 1-10. https://doi.org/10.1111/j.1365-3059.2004.00951.x
An efficient computing strategy for prediction in mixed linear models
A - Papers appearing in refereed journals
Gilmour, A., Cullis, B. R., Welham, S. J., Gogel, B. and Thompson, R. 2004. An efficient computing strategy for prediction in mixed linear models. Computational Statistics & Data Analysis. 44 (4), pp. 571-586. https://doi.org/10.1016/S0167-9473(02)00258-X
Modelling Deroceras reticulatum (Gastropoda) population dynamics based on daily temperature and rainfall
A - Papers appearing in refereed journals
Choi, Y. H., Bohan, D. A., Powers, S. J., Wiltshire, C. W., Glen, D. M. and Semenov, M. A. 2004. Modelling Deroceras reticulatum (Gastropoda) population dynamics based on daily temperature and rainfall. Agriculture, Ecosystems & Environment. 103, pp. 519-525.
Position of inoculum in the canopy affects the risk of septoria tritici blotch epidemics in winter wheat
A - Papers appearing in refereed journals
Lovell, D. J., Parker, S. R., Hunter, T., Welham, S. J. and Nichols, A. R. 2004. Position of inoculum in the canopy affects the risk of septoria tritici blotch epidemics in winter wheat. Plant Pathology. 53 (1), pp. 11-21. https://doi.org/10.1046/j.1365-3059.2003.00939.x
Effect of temperature on latent period of septoria leaf blotch on winter wheat under outdoor conditions
A - Papers appearing in refereed journals
Lovell, D. J., Hunter, T., Powers, S. J., Parker, S. R. and Van Den Bosch, F. 2004. Effect of temperature on latent period of septoria leaf blotch on winter wheat under outdoor conditions. Plant Pathology. 53 (2), pp. 170-181. https://doi.org/10.1111/j.1365-3059.2004.00983.x
A comparative study of interspecies mating of Phratora vulgatissima and P. vitellinae using behavioural tests and molecular markers
A - Papers appearing in refereed journals
Peacock, L., Batley, J., Dungait, J. A. J., Barker, J. H. A., Powers, S. J. and Karp, A. 2004. A comparative study of interspecies mating of Phratora vulgatissima and P. vitellinae using behavioural tests and molecular markers. Entomologia Experimentalis et Applicata. 110 (3), pp. 231-241. https://doi.org/10.1111/j.0013-8703.2004.00143.x
Timing of weed management and yield losses due to weeds in irrigated rice in the Sahel
A - Papers appearing in refereed journals
Johnson, D. E., Wopereis, M. C. S., Mbodj, D., Diallo, S., Powers, S. J. and Haefele, S. M. 2004. Timing of weed management and yield losses due to weeds in irrigated rice in the Sahel. Field Crops Research. 85 (1), pp. 31-42. https://doi.org/10.1016/S0378-4290(03)00124-2
Testing the adequacy of measured data for evaluating nitrogen turnover models by the dot-to-dot method
A - Papers appearing in refereed journals
Smith, J. U., Smith, P., Richter, G. M., Agostini, F. A. and Welham, S. J. 2003. Testing the adequacy of measured data for evaluating nitrogen turnover models by the dot-to-dot method. European Journal of Soil Science. 54 (1), pp. 175-185. https://doi.org/10.1046/j.1365-2389.2003.00501.x