Prof Ian Armstead

Prof Ian Armstead

Professor

Contact Details

Research

Genetics and genomics of forage grasses (Lolium and Festuca) spp.

Publications

2016

Grinberg, N., Lovatt, A., Hegarty, M., Macfarlane, A.C., Skot, K., Kelly, R., Blackmore, T., Thorogood, D., King, R.D., Armstead, I., Powell, W., Skot, L. 2016. Implementation of genomic prediction in Lolium perenne (L.) breeding populations. Frontiers in Plant Science 7 133 10.3389/fpls.2016.00133 Cadair

Gasior, D., Harper, J., Thomas, A., Evans, C., Armstead, I., Humphreys, M. 2016. Changes in freezing tolerance and photosystem II acclimation mechanisms within a Lolium perenne x Festuca pratensis substitution series. In M. Höglind., A. K. Bakken., K. A. Hovstad., E. Kallioniemi., H. Riley., H. Steinshamnm., L. Østrem. (eds) The multiple roles of grassland in the European bioeconomy: Proceedings of the 26th General Meeting of the European Grassland Federation. Proceedings of the 26th General Meeting of the European Grassland Federation. Norwegian Institute of Bioeconomy Research, Norway pp. 835-837. Cadair

2015

Byrne, S.L., Nagy, I., Pfeifer, M., Armstead, I., Swain, S., Studer, B., Campbell, J., Czaban, A., Hentrup, S., Panitz, F., Bendixen, C., Hedegaard, J., Caccamo, M., Asp, T. 2015. A synteny-based draft genome sequence of the forage grass Lolium perenne. Plant Journal 84 (4) pp. 816-826. 10.1111/tpj.13037 Cadair

Gasior, D., Harper, J., Humphreys, M., Armstead, I. 2015. An assessment of genetic diversity within a collection of natural Lolium perenne ecotypes from across Europe. 31st International EUCARPIA Symposium Section Fodder Crops and Amenity Grasses: Breeding in a World of Scarcity. , Ghent, Belgium Cadair

Gallagher, J.A., Turner, L.B., Cairns, A.J., Farrell, M.S., Lovatt, J.A., Skøt, K.P., Armstead, I.P., Humphreys, M.O., Roldan_Ruiz, I. 2015. Genetic Differentiation in Response to Selection for Water-Soluble Carbohydrate Content in Perennial Ryegrass (Lolium perenne L.). Bioenergy Research 8 (1) pp. 77-90. 10.1007/s12155-014-9491-z Cadair

Gasior, D., Harper, J., Humphreys, M., Lovatt, A., Armstead, I., Sanderson, R. 2015. An Assessment of Phenotypic Diversity Within a Collection of Natural Lolium perenne Ecotypes and Cultivars from Across Europe. In I. Roldán-Ruiz., J. Baert., D. Reheul. (eds) Proceedings of the 2015 Meeting of the Section “Forage Crops and Amenity Grasses” of Eucarpia: Breeding in a World of Scarcity. Eucarpia Fodder Crops and Amenity Section 2015. Springer Nature, Switzerland pp. 29-33. 10.1007/978-3-319-28932-8_4 Cadair

2013

Bentley, A., Jensen, E.F., Mackay, I., Honicka, H., Fladung, M., Hori, K., Yano, M., Mullet, J., Armstead, I.P., Hayes, C.M., Thorogood, D., Lovatt, J.A., Morris, R., Pullen, N., Mutasa-Gottgens, E., Cockram, J. 2013. Flowering Time. In C. Kole. (ed) Genomics and Breeding for Climate-Resilient Crops: Target Traits. Springer Nature pp. 1-66. 10.1007/978-3-642-37048-9_1 Cadair

King, J., Armstead, I.P., Harper, J.A., Ramsay, L., Snape, J., Waugh, R., James, C.L., Thomas, A.M., Gasior, D., Kelly, R.O., Roberts, L.A., Gustafson, P., King, I. 2013. Exploitation of interspecific diversity for monocot crop improvement. Heredity 110 pp. 475–483. 10.1038/hdy.2012.116 Cadair

King, J., Thomas, A., James, C., King, I., Armstead, I. 2013. A DArT marker genetic map of perennial ryegrass (Lolium perenne L.) integrated with detailed comparative mapping information; comparison with existing DArT marker genetic maps of Lolium perenne, L. multiflorum and Festuca pratensis. BMC Genomics 14 10.1186/1471-2164-14-437 Cadair

Hegarty, M.J., Yadav, R.S., Lee, M.R., Armstead, I.P., Sanderson, R., Scollan, N.D., Powell, W., Skøt, L. 2013. Genotyping by RAD sequencing enables mapping of fatty acid composition traits in perennial ryegrass (Lolium perenne (L.)). Plant Biotechnology Journal 11 (5) pp. 572–581. 10.1111/pbi.12045 Cadair

Armstead, I.P., Harper, J.A., King, J., King, I. 2013. Transmission Frequencies of Introgressed Festuca pratensis Chromosome and Chromosome Segments in Lolium perenne. Crop Science 53 (5) pp. 1968-1973. 10.2135/cropsci2013.03.0209 Cadair

2012

Sehgal, D., Rajaram, V., Armstead, I.P., Vadez, V., Yadav, Y.P., Hash, C.T., Yadav, R.S. 2012. Integration of gene-based markers in a pearl millet genetic map for identification of candidate genes underlying drought tolerance QTLs. BMC Plant Biology 12 (9) pp. 1-13. 10.1186/1471-2229-12-9 Other Cadair

Swain, S., Thomas, A., Kudrna, D., Huang, L., Byrne, S., Asp, T., King, I., King, J., Armstead, I. 2012. The Development of a BAC-fingerprint FPC map for Lolium perenne . Plant and Animal Genome XX Conference. Other

2011

Klaas, M., Yang, B., Bosch, M., Thorogood, D., Manzanares, C., Armstead, I.P., Franklin, F.C.H., Barth, S. 2011. Progress towards elucidating the mechanisms of self-incompatibility in the grasses: further insights from studies in Lolium. Annals of Botany 108 (4) pp. 677-685. 10.1093/aob/mcr186 Cadair

Armstead, I., King, J., Huang, L., Ougham, H., Kudrna, D., King, I. 2011. Developing a physical map of the Lolium perenne genome based on High-Information Content BAC Fingerprinting and BAC-end sequencing. 1st Festulolium Working Group Workship, Eucarpia and Fodder Crops and Amenity Section. Other

Harper, J., Armstead, I., Thomas, A., James, C., Gasior, D., Bisaga, M., Roberts, L., King, I., King, J. 2011. Alien introgression in the grasses Lolium perenne (perennial ryegrass) and Festuca pratensis (meadow fescue): the development of seven monosomic substitution lines and their molecular and cytological characterization. Annals of Botany 107 (8) pp. 1313-1321. 10.1093/aob/mcr083 Cadair

Skøt, L., Sanderson, R., Thomas, A.M., Skøt, K.P., Thorogood, D., Latypova, G.A., Asp, T., Armstead, I.P. 2011. Allelic variation in the perennial ryegrass FLOWERING LOCUS T gene is associated with changes in flowering time across a range of populations. Plant Physiology 155 (2) pp. 1013-1022. 10.1104/pp.110.169870 Cadair

Armstead, I.P. 2011. Festuca pratensis ft3 gene for flowering locus T protein, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele A, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele B, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele C, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele D, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele E, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele F, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele G, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium multiflorum ft3 gene for flowering locus T protein, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium temulentum ft3 gene for flowering locus T protein, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele E, isolate VRNA_F1#30, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele E/B, isolate VRNA_F1#39, exons 1-3. Cadair

Armstead, I.P. 2011. Lolium perenne ft3 gene for flowering locus T protein, allele B, isolate VRNA_F1#39, exons 1-3. Cadair

2010

Studer, B., Kölliker, R., Muylle, H., Asp, T., Frei, U.C., Roldán-Ruiz, I., Barre, P., Tomaszewski, C., Meally, H., Barth, S., Skøt, L., Armstead, I.P., Dolstra, O., Lübberstedt, T. 2010. EST-derived SSR markers used as anchor loci for the construction of a consensus linkage map in ryegrass (Lolium spp.). BMC Plant Biology 10 (177) 177 10.1186/1471-2229-10-177 Other Cadair

Sehgal, D., Skot, L., Armstead, I.P., Hash, C.T., Yadav, R.S. 2010. Fine mapping of a major terminal drought tolerance QTL in pearl millet. Cadair

2009

King, J., Armstead, I.P., Harper, J.A., James, C.L., Roberts, L.A., Gasior, D., Kelly, R.O., Huang, L.S., Thomas, A.M., Skot, K., King, I.P. 2009. Progress in introgression mapping in the pooideae. Plant and Animal Genome XVII Conference. Other Cadair

Williams, J.G., King, I.P., King, J., Jenkins, G., Harper, J.A., Armstead, I.P. 2009. Manipulation of recombination in the grasses. 2009 Plant Science Wales. Cadair

Yadav, R.S., Sehgal, D., Armstead, I.P., Nepolean, T., Vadez, V., Hash, C.T. 2009. Using genomics and mapping approaches to identify genes underlying a major QTL of drought tolerance in pearl millet. XVII Plant & Animal Genomes Conference, Town & Country Convention Centre, San Diego, California. Other Cadair

Armstead, I.P., Barth, S., Yang, B., Thorogood, D., Humphreys, M.O., King, I.P., Marshall, A.H., Turner, L.B., Skøt, L.Yamada, T., Spangenberg, G. 2009. Understanding the genetic basis of flowering and fertility in the ryegrasses (Lolium spp.). In T. Yamada., G. Spangenberg. (eds) Molecular Breeding of Forage and Turf. Proceedings of the 5th International Symposium on the Molecular Breeding of Forage and Turf 2007 (MBFT 2007), Sapporo Convention Center. Springer Nature pp. 185-192. Cadair Other

Armstead, I.P., Huang, L.S., Ravagnani, A., Robson, P.R., Ougham, H.J. 2009. Bioinformatics in the orphan crops. Briefings in Bioinformatics 10 (6) pp. 645-653. 10.1093/bib/bbp036 Cadair

Yang, B., Thorogood, D., Armstead, I.P., Franklin, F.C.H., Barth, S. 2009. Identification of genes expressed during the self-incompatibility response in perennial ryegrass (Lolium perenne L.). Plant Molecular Biology 70 (6) pp. 709-723. 10.1007/s11103-009-9501-2 Cadair

Langdon, T., Thomas, A., Huang, L., Farrar, K., King, J., Armstead, I. 2009. Fragments of the key flowering gene GIGANTEA are associated with helitron-type sequences in the Pooideae grass Lolium perenne. BMC Plant Biology 9 70 10.1186/1471-2229-9-70 Cadair Other

Williams, G., King, I.P., King, J., Jenkins, G., Harper, J., Armstead, I.P. 2009. Manipulation of recombination in the grasses. Monogram Network Workshop. Oral presentation, Monogram Network Worshop. Cadair

Armstead, I.P., Thomas, A. 2009. GIGANTEA (GI) gene and helitron-associated and non-associated GI pseudogene sequences from Lolium perenne and Festuca pratensis. Cadair

Farrar, K., Thomas, A.M., Gallagher, J.A., Turner, L.B., Armstead, I.P., Humphreys, M.W., Donnison, I.S. 2009. Identification of SNP markers for molecular breeding in Lolium perenne and other energy grasses. Plant and Animal Genome XVII Conference. Other Cadair

Harper, J.A., Gasior, D., Roberts, L.A., Thomas, A.M., James, C.L., King, J., King, I.P., Armstead, I.P. 2009. Can the weed grass species Lolium temulentum be a useful tool in allowing us to investigate basic fundamental traits within the grasses? 2009 Plant Science Wales. Cadair

2008

Ougham, H.J., Hortensteiner, S., Armstead, I.P., Donnison, I.S., King, I.P., Thomas, H., Mur, L.A.J. 2008. The control of chlorophyll catabolism and the status of yellowing as a biomarker of leaf senescence. Plant Biology 10 (S1) pp. 4-14. 10.1111/j.1438-8677.2008.00081.x Cadair Other

King, J., Armstead, I.P., Donnison, I., Roberts, L., Harper, J.A., Skøt, K., Elborough, K., King, I.P. 2008. Comparative analyses reveal the major fraction of functionally annotated gene models in monocots are located in recombination poor/very poor regions of the genome. XXVIIth EUCARPIA Symposium on Improvement of Fodder Crops and Amenity Grasses. Cadair

Turner, L.B., Cairns, A.J., Armstead, I.P., Thomas, H., Humphreys, M.W., Humphreys, M.O. 2008. Does fructan have a functional role in physiological traits? Investigation by quantative trait locus mapping. New Phytologist 179 (3) pp. 765-775. 10.1111/j.1469-8137.2008.02495.x Cadair Other

Yang, B., Thorogood, D., Armstead, I.P., Barth, S. 2008. How far are we from unravelling self-incompatibility in grasses? New Phytologist 178 (4) pp. 740-753. 10.1111/j.1469-8137.2008.02421.x Cadair

Armstead, I.P., Turner, L.B., Marshall, A.H., Humphreys, M.O., King, I.P., Thorogood, D. 2008. Identifying genetic components controlling fertility in the outcrossing grass species perennial ryegrass (Lolium perenne) by quantitative trait loci analysis and comparative genetics. New Phytologist 178 (3) pp. 559-571. 10.1111/j.1469-8137.2008.02413.x Cadair

King, J., Thorogood, D., Edwards, K.J., Armstead, I.P., Roberts, L.A., Skøt, K.P., Hanley, Z., King, I.P. 2008. Development of a genomic microsatellite library in perennial ryegrass (Lolium perenne) and its use in trait mapping. Annals of Botany 101 (6) pp. 845-853. 10.1093/aob/mcn016 Cadair Other

King, J., Armstead, I.P., Donnison, I.S., Roberts, L.A., Harper, J.A., Skot, K.P., Elborough, K., King, I.P. 2008. Comparative analysis reveal the major fraction of functionally annotated gene models in monocots are located in recombination poor/very poor regions of the genome. Cadair

Skot, L., Thorogood, D., Armstead, I.P., Humphreys, J., Sanderson, R., Thomas, I.D., Gallagher, J.A., Turner, L.B., Humphreys, M.W., Humphreys, M.O. 2008. Association and introgression mapping of quantitative traits in Lolium perenne: flowering time, forage quality and abiotic stress tolerance. Plant and Animal Genomics Conference XVI. Other Cadair

Thorogood, D., Armstead, I.P. 2008. Towards resolving vegetative growth and seed production conflicts in perennial ryegrass used for turf and forage. "Seed production": Eucarpia symposium on improvement of fodder crops and amenity grasses (XXVII), Copenhagen, Denmark. Cadair

Yang, B., Thorogood, D., Armstead, I.P., Franklin, F.C.H., Barth, S.Lubberstedt, T. 2008. Identification and characterisation of genes involved in self-incompatibility (SI) in Lolium perenne. 27th EUCARPIA Symposium on Improvement of Fodder Crops and Amenity Grasses. Cadair

Yang, B., Thorogood, D., Armstead, I.P., Franklin, F.C.H., Barth, S. 2008. Identification of differentially expressed genes during self-incompatibility (SI) response in Lolium perenne. Plant and Animal Genome XVI Conference. Cadair

Armstead, I.P., Turner, L.B., Humphreys, M.O., Farrell, M.S., Cairns, A.J., Skøt, K.P., Farrar, K., Donnison, I.S.Lubberstedt, T. 2008. Changes in SSR allele frequencies during phenotypic selection for water-soluble carbohydrate (WSC) in an experimental population of perennial ryegrass. 27th EUCARPIA Symposium on Improvement of Fodder Crops and Amenity Grasses. 27th EUCARPIA Symposium on Improvement of Fodder Crops and Amenity Grasses. pp. 19-23. Cadair

2007

Armstead, I.P., Donnison, I.S., Aubry, S., Harper, J.A., Hörtensteiner, S., James, C.L., Mani, J., Moffet, M., Ougham, H.J., Roberts, L.A., Thomas, A.M., Weeden, N., Thomas, S., King, I.P. 2007. Cross-species identification of Mendel's/locus. Science 315 (5808) pp. 73. 10.1126/science.1132912 Other Cadair

Marshall, A., Abberton, M.T., Thorogood, D., Armstead, I., Michaelson-Yeates, T.P.T. 2007. Strategies to combine improved reproductive and agronomic traits in forage plant breeding programmes. 6th International Herbage Seed Conference. Cadair

Farrar, K., Thomas, A.M., Gallagher, J.A., Armstead, I., Turner, L., Humphreys, M.O., Donnison, I. 2007. Identification of SNps for molecular breeding in Lolium perenne. Plant and Animal Genome XV Conference. Cadair

Armstead, I.P., King, I.P., Friesner, J. 2007. Staygreen in the grasses: The Multinational Coordinated Arabidopsis Thanliana Functional Genomics Project. Annual Report 2007 Unknown Publisher Cadair

Skøt, L., Humphreys, J., Humphreys, M.O., Thorogood, D., Gallagher, J.A., Sanderson, R., Armstead, I.P., Thomas, I.D. 2007. Association of candidate genes with flowering time and water-soluble carbohydrate content in Lolium perenne (L.). Genetics 177 (1) pp. 535-547. 10.1534/genetics.107.071522 Other Cadair

Armstead, I.P., Huang, L.S., King, J., Ougham, H.J., Thomas, H., King, I.P. 2007. Rice pseudomolecule-anchored cross-species DNA sequence alignments indicate regional genomic variation in expressed sequence conservation. BMC Genomics 8 (283) 16 10.1186/1471-2164-8-283 Cadair

Armstead, I.P., King, J., King, I.P., Harper, J.A., Roberts, L.A., Donnison, I.S., Skøt, K.P. 2007. Comparative Analyses Between Lolium/Festuca Introgression Lines and Rice Reveal the Major Fraction of Functionally Annotated Gene Models Is Located in Recombination-Poor/Very Recombination-Poor Regions of the Genome. Genetics 177 (1) pp. 597-606. 10.1534/genetics.107.075515 Other Cadair

Donnison, I.S., Thomas, H., Armstead, I.P., Ougham, H.J., Howarth, C.J., Galyuon, I.K.A. 2007. The genetic control of senescence revealed by mapping quantitative trait loci. In S. Gan. (ed) Annual Plant Reviews: Senescence Processes in Plants. Wiley pp. 171-201. Cadair Other

2006

Armstead, I.P., Donnison, I.S., Aubry, S., Harper, J.A., Hortensteiner, S., James, C.L., Mani, J., Moffet, M., Ougham, H.J., Roberts, L.A., Thomas, A.M., Weeden, N., Thomas, S., King, I.P. 2006. From crop to model to crop: identifying the genetic basis of the staygreen mutation in the Lolium/Festuca forage and amenity grasses. New Phytologist 172 (4) pp. 592-597. 10.1111/j.1469-8137.2006.01922.x Cadair

Donnison, I.S., King, I.P., Wolny, E., Jenkins, G.M., Marasek, A., Armstead, I.P., Hasterok, R., Idziak, D., Draper, J.H., Thomas, A.M. 2006. Alignment of the genomes of brachypodium distachyon and temperate cereals and grasses using bacterial artificial chromosome landing with fluorescence in situ hybridization. Genetics 173 (1) pp. 349-362. 10.1534/genetics.105.049726 Other Cadair

Armstead, I.P., Harper, J.A., Turner, L.B., Skøt, L., King, I.P., Humphreys, M.O., Morgan, W.G., Thomas, H.M., Roderick, H.W. 2006. Introgression of crown rust (Puccinia coronata) resistance from meadow fescue (Festuca pratensis) into Italian ryegrass (Lolium multiflorum): Genetic mapping and identification of associated molecular markers. Plant Pathology 55 (1) pp. 62-67. 10.1111/j.1365-3059.2005.01308.x Cadair

Turner, L.B., Cairns, A.J., Armstead, I.P., Ashton, J., Skøt, K.P., Whittaker, D., Humphreys, M.O. 2006. Dissecting the regulation of fructan metabolism in perennial ryegrass (Lolium perenne) with quantitative trait locus mapping. New Phytologist 169 (1) pp. 45-58. 10.1111/j.1469-8137.2005.01575.x Cadair

Donnison, I.S., Thain, S.C., Skøt, L., Taylor, J., Turner, L.B., Armstead, I.P., Roderick, H.W., King, I.P., Humphreys, M.O., Humphreys, M.W. 2006. New developments in genotyping and phenotyping for breeding improved sustainability in temperate forage grasses. Cadair Cadair

Farrar, K., Thomas, A., Armstead, I., Turner, L., Humphreys, M.O., Donnison, I.S. 2006. Identification of SNPs for molecular breeding in Lolium perenne. Plant Genomics European Meeting. Cadair

2005

Skøt, L., Humphreys, M.O., Armstead, I.P., Heywood, S., Skøt, K.P., Sanderson, R., Thomas, I.D., Chorlton, K.H., Sackville Hamilton, N.R. 2005. An association mapping approach to identify flowering time genes in natural populations of Lolium perenne (L.). Molecular Breeding 15 (3) pp. 233-245. 10.1007/s11032-004-4824-9 Other Cadair

Thomas, A.M., Thomas, H., Armstead, I.P., King, I.P., Harper, J.A., Moore, B.J., Huang, L.S., Fentem, P.A., Ougham, H.J., Jones, R.N., Jones, T.A.H., Roberts, L.A., King, J., Donnison, I.S. 2005. Molecular tagging of a senescence gene by introgression mapping of a stay-green mutation from Festuca pratensis. New Phytologist 165 (3) pp. 801-806. 10.1111/j.1469-8137.2004.01269.x Other Cadair

Armstead, I.P., Skøt, L., Donnison, I.S., Skøt, K.P., King, I.P., Turner, L.B., Humphreys, M.O. 2005. Identification of perennial ryegrass (Lolium perenne (L.)) and meadow fescue (Festuca pratensis (Huds.)) candidate orthologous sequences to the rice Hd1(Se1) and barley HvCO1 CONSTANS-like genes through comparative mapping and microsynteny. New Phytologist pp. 239-247. 10.1111/j.1469-8137.2005.01392.x Cadair

Donnison, I.S., O'Sullivan, D.M., Thomas, A., Canter, P., Moore, B., Armstead, I., Thomas, H., Edwards, K.J., King, I.P. 2005. Construction of a Festuca pratensis BAC library for map-based cloning in IFestulolium substitution lines. Theoretical and Applied Genetics 110 (5) pp. 846-851. 10.1007/s00122-004-1870-y Other Cadair

Humphreys, J., Harper, J.A., Armstead, I.P., Humphreys, M.W. 2005. Introgression-mapping of genes for drought resistance transferred from Festuca arundinacea var. glaucescens into Lolium multiflorum. Theoretical and Applied Genetics 110 (3) pp. 579-587. 10.1007/s00122-004-1879-2 Cadair

Turner, L.B., King, I.P., Skøt, L., Donnison, I.S., Humphreys, M.O., Armstead, I.P.Humphreys, M.O. 2005. The identification of genetic synteny between Lolium perenne chromosome 7 and rice chromosome 6 genomic regions that have major effects on heading-date. Cadair Other

Gallagher, J., Humphreys, M.O., Cairns, A.J., Turner, L.B., Armstead, I.P. 2005. Mapping water-soluble carbohydrate content in perennial ryegrass. In M. O. Humphreys. (ed) Molecular Breeding for the Genetic Improvement of Forage Crops and Turf. Proceedings of the 4th International Symposium on the Molecular Breeding of Forage and Turf. XXth International Grassland Congress. Wageningen Academic Publishers Cadair Other

Humphreys, J., Armstead, I.P., Humphreys, M.W.O'Mara, F.P., Wilkins, R.J., 't Mannetje, L., Lovett, D.K., Rogers, P.A.M., Boland, T.M. 2005. Development of a breeders' toolkit for drought resistance in a Lolium/Festuca hybrid. Cadair Other

King, I.P., King, J., Armstead, I.P., Harper, J.A., Roberts, L.A., Thomas, H., Ougham, H.J., Jones, R.N., Thomas, A.M., Moore, B.J.Humphreys, M.O. 2005. Introgression mapping in the grasses. The 4th international symposium on the molecular breeding of forage and turf, a satellite workshop of the XXth International Grassland Congress. Cadair

King, J., Armstead, I.P., Roberts, L.A., Harper, J.A., Donnison, I.S., King, I.P. 2005. Exploiting the Lolium/Festuca introgression system. 6th Annual GARNet meeting (Genomic Arabidopsis Research Network). Cadair

2004

Thorogood, D., Armstead, I.P., Turner, L.B., Humphreys, M.O., Hayward, M.D. 2004. Identification and mode of action of self-compatibility loci in Lolium perenne L. Heredity 94 pp. 356-363. 10.1038/sj.hdy.6800582 Cadair

Armstead, I.P., Turner, L.B., Farrell, M.S., Skøt, L., Gomez, P., Montoya, T., Donnison, I.S., King, I.P., Humphreys, M.O. 2004. Synteny between a major heading-date QTL in perennial ryegrass (Lolium perenne L.) and the Hd3 heading-date locus in rice. Theoretical and Applied Genetics 108 (5) pp. 822-828. 10.1007/s00122-003-1495-6 Cadair

Thomas, I.D., Skøt, L., Sanderson, R., Chorlton, K.H., Armstead, I.P., Humphreys, M.O., Heywood, S., Sackville Hamilton, N.R. 2004. The application of genecology to the discovery of associations between phenotype and molecular markers in natural populations of perennial ryegrass. International Lolium Genome Initiative. Plant and Animal Genome XII Conference. Cadair Other

Sanderson, R., Thomas, I.D., Skøt, K.P., Skøt, L., Gallagher, J., Heywood, S., Armstead, I.P., Humphreys, M.O.Vollmann, J., Grausgruber, H., Ruckenbauer, P. 2004. Genetic variation in natural populations of perennial ryegrass in relation to flowering time and soluble carbohydrates. Proceedings of the 17th Eucarpia General Congress, Tulln, Austria, 6-11 September 2004. 17th Eucarpia General Congress. pp. 6-11. Cadair Other

Armstead, I., Roderick, H.W., Harper, J.A., Thomas, H.M., King, I.P., Humphreys, M.O. 2004. Identification of molecular markers for crown rust (Puccinia coronata) resistance in a Lolium/Festuca introgression population using syntenic relationships with rice. Plant Genomics European Meeting. Cadair

2003

Kingston-Smith, A.H., Bollard, A.L., Armstead, I.P., Thomas, B.J., Theodorou, M.K. 2003. Proteolysis and cell death in clover leaves is induced by grazing. Protoplasma 220 (3-4) pp. 119-129. 10.1007/s00709-002-0044-5 Cadair

Dhanoa, M.S., Davies, R.W., Wilkins, P.W., Deakin, C., Armstead, I.P. 2003. Marker-assisted selection for herbage yield and quality in an advanced breeding population of perennial ryegrass. Cadair

Turner, L.B., Armstead, I.P., Cairns, A.J., Humphreys, M.O. 2003. Selecting for increased starch content in the vegetative tissues of perennial ryegrass. Proceedings 25th EUCARPIA Fodder Crops and Amenity Grasses Section Meeting. Cadair Other

Skøt, L., Armstead, I.P., Chorlton, K.H., Mizen, S., Dhanoa, M.S., Thomas, I.D., Sackville Hamilton, N.R., Humphreys, M.O. 2003. Association mapping of molecular markers for flowering time using natural populations of Lolium perenne. Proceedings of the 7th British Grassland Society (BGS) Research Conference, Aberystwyth, 1-3 September 2003. 7th British Grassland Society Research Conference. pp. 75-76. Cadair Other

Humphreys, M.O., Turner, L.B., Skot, L., Humphreys, M.W., King, I.P., Armstead, I.P., Wilkins, P.W. 2003. The use of genetic markers in grass breeding. Proceedings 25th EUCARPIA Fodder Crops and Amenity Grasses Section Meeting. Czech Journal of Genetics and Plant Breeding, vol. 39 Proceedings 25th EUCARPIA Fodder Crops and Amenity Grasses Section Meeting. , Switzerland pp. 112-119. Cadair

Roderick, H.W., Humphreys, M.O., Turner, L., Armstead, I., Thorogood, D. 2003. Isolate specific trait loci for resistance to crown rust in perennial ryegrass. In U. K. Posselt., J. M. Greef. (eds) Proceedings International Symposium on Grass Breeding: 24th EUCARPIA fodder Crops and Amenity Grasses. Vortrage fur Pflanzenzuchtug 24th EUCARPIA Fodder Crops and Amenity Grasses Section. pp. 244-247. Cadair

Winz, R., Wilcox, P.L., Echt, C.E., Armstead, I., Turner, L., Humphreys, M.O. 2003. A Lolium perenne framework map based on microsatellite marker loci - joint commercialization by IGER, UK and ViaLactia, NZ. Molecular Breeding of Forage and Turf. Cadair

Humphreys, M.O., Turner, L., Armstead, I. 2003. QTL mapping in Lolium perenne. Plant & Animal Genomes XI Conference. Cadair

2002

King, J., Armstead, I.P., Donnison, I.S., Thomas, H.M., Jones, R.N., Kearsey, M.J., Roberts, L.A., Thomas, A., Morgan, W.G., King, I.P. 2002. Physical and genetic mapping in the grasses Lolium perenne and Festuca pratensis. Genetics 161 pp. 315-324. Cadair Other

Armstead, I.P., Thorogood, D., Kaiser, W.J., Jones, J.G. 2002. Genotyping and mapping the self-incompatibility loci of Lolium perenne L. Proceedings International Symposium on Grass Breeding. 24th EUCARPIA Fodder Crops and Amenity Grasses Section, FAL, Braunschweig, Germany, 22-25 September 2002. 24th EUCARPIA Fodder Crops and Amenity Grasses Section. pp. 22-25. Cadair

Harper, J.A., Armstead, I., King, I.P., Roberts, L., Schledde, T., Wagner, N., Thomas, H. 2002. Developing a chromosome substitution series in Lolium/Festuca. 2002 Plant Science Wales. Cadair

Humphreys, M.O., Turner, L., Armstead, I. 2002. QTL identification and marker assisted selection for feeding value in ryegrass. Genotype - Phenotype: Narrowing the Gaps Conference. Cadair

Armstead, I.P., Humphreys, M.O., Cairns, A.J., King, I.P., Turner, L.B. 2002. Comparison and integration of genetic maps generated from F2 and BC1-type mapping populations in perennial ryegrass (Lolium perenne L.). Plant Breeding Zeitschrift für Pflanzenzüchtung 121 (6) pp. 501-507. 10.1046/j.1439-0523.2002.00742.x Cadair

Thorogood, D., Kaiser, W.J., Jones, J.G., Armstead, I.P. 2002. Self-incompatibility in ryegrass 12. Genotyping and mapping the S and Z loci of Lolium perenne L. Heredity 88 pp. 385-390. 10.1038/sj.hdy.6800071 Other Cadair

King, J., Roberts, L.A., Kearsey, M.J., Thomas, H.M., King, I.P., Jones, R.N., Huang, L.S., Armstead, I.P., Morgan, W.G., King, I.P. 2002. A demonstration of a 1:1 correspondence between chiasma frequency and recombination using a Lolium perenne/Festuca pratensis substitution. Genetics 161 (1) pp. 307-314. Cadair Other Cadair Other

Donnison, I.S., Cisneros, P., Montoya, T., Armstead, I.P., Thomas, B.J., Jones, R.N., Morris, P. 2002. The floral transition in model and forage grasses. Journal of Experimental Botany (33) pp. 42-48. Cadair Other

Humphreys, J., Canter, P., Donnison, I., Thomas, H., Jones, R., Armstead, I., Humphreys, M. 2002. Antifreeze protein in Festuca pratensis. 2002 Plant Science Wales. Cadair

Turner, L.B., Armstead, I.P., Cairns, A.J., Humphreys, M.O., Pollock, C. 2002. Selecting for increased starch content in the vegetative tissues of Lolium perenne. Cadair Other

Jones, E.S., Mahoney, N.L., Hayward, M.D., Armstead, I.P., Jones, J.G., Humphreys, M.O., King, I.P., Kishida, T., Yamada, T., Balfourier, F., Charmet, G., Forster, J.W. 2002. An enhanced molecular marker based genetic map of perennial ryegrass (Lolium perenne) reveals comparative relationships with other Poaceae genomes. Genome 45 (2) pp. 282-295. 10.1139/g01-144 Cadair Other

2001

Thomas, H., Morgan, W.G., Humphreys, M., Harper, J.A., Armstead, I., Moore, B., King, J., Roberts, L., James, A., Humphreys, J., Hawkins, S.L., King, I.P. 2001. Introgression mapping - the route to designer breeding in grasses. Proceedings of the XVIth EUCARPIA Congress. XVIth EUCARPIA Congress. , Edinburgh, Scotland pp. 139-145. Cadair

Armstead, I.P., King, I.P., Morgan, W.G., Forster, J.W., Jones, R.N., Bollard, A.L., Thomas, H.M., Hayward, M.D., Harper, J.A. 2001. Genetic and physical analysis of a single Festuca pratensis chromosome segment substitution in Lolium perenne. Chromosoma 110 (1) pp. 52-57. 10.1007/s004120000122 Cadair

Paget, M.F., Armstead, I.P., Humphreys, M.O., Thorogood, D., Turner, L.B., Roderick, H.W. 2001. QTL analysis of crown rust resistance in perennial ryegrass - implications for breeding. International Turfgrass Society Research Journal 9 pp. 218-223. Cadair

Humphreys, J., Skøt, L., Humphreys, M.O., Thomas, I.D., Gallagher, J., Armstead, I.P.Humphreys, M.O. 2001. Approaches for associating molecular polymorphisms with phenotypic traits based on linkage disequilibrium in natural populations of Lolium perenne. In M. O. Humphreys. (ed) Molecular Breeding for the Genetic Improvement of Forage Crops and Turf. The 4th international symposium on the molecular breeding of forage and turf, a satellite workshop of the XXth International Grassland Congress. Wageningen Academic Publishers pp. 978-90. Cadair Other

Cairns, A.J., Pollock, C., Humphreys, M.O., Armstead, I.P., Turner, L.B. 2001. A physiological and biochemical analysis of the genetic basis of soluble carbohydrate storage in temperate grasses. Abstracts Society for Experimental Biology Annual Meeting. pp. 2-6. Cadair

King, J., Thomas, H.M., Armstead, I., Jones, R.N., Kearsey, M.J., Roberts, L.A., Morgan, W.G., King, I.P. 2001. Introgression mapping reveals a 1:1 correspondence between chiasma frequency and genetic distance. 9th International Plant and Animal Genome Meeting. Cadair

2000

King, I., Morgan, W.G., Armstead, I., Jones, T.A.H., Jones, R.N., Harper, J., Roberts, L., Taylor, S., Thomas, H. 2000. Species relationships, introgression and physical mapping in Lolium perenne x Festuca pratensis hybrids. In E. Olmo., C. A. Redi. (eds) Chromosomes Today: Proceedings 13th International Chromosome Conference. Proceedings 13th International Chromosome Conference. Springer Nature pp. 277-286. Cadair

1999

Jiang, C., Edmeades, G.O., Armstead, I., Lafitte, H.R., Hayward, M.D., Hoisington, D. 1999. Genetic analysis of adaptation differences between highland and lowland tropical maize using molecular markers. Theoretical and Applied Genetics 99 (7-8) pp. 1106-1119. 10.1007/s001220051315 Cadair

Armstead, I., Bollard, A., King, I.P., Forster, J.W., Hayward, M.D., Evans, G.M., Thomas, H.M. 1999. Chromosome pairing in Lolium perenne × L. temulentum diploid hybrids: genetic and cytogenetic evaluation. Heredity 83 (3) pp. 298-303. 10.1038/sj.hdy.6885730 Cadair

1998

King, I.P., Morgan, W.G., Armstead, I.P., Harper, J.A., Hayward, M.D., Bollard, A., Nash, J.V., Forster, J.W., Thomas, H.M. 1998. Introgression mapping in the grasses. I. Introgression of Festuca pratensis chromosomes and chromosome segments into Lolium perenne. Heredity 81 (4) pp. 462-467. 10.1046/j.1365-2540.1998.00437.x Cadair

Pessino, S.C., Evans, C., Ortiz, J.P.A., Armstead, I., do Valle, C.B., Hayward, M.D. 1998. A genetic map of the apospory-region in Brachiaria hybrids: identification of two markers closely associated with the trait. Hereditas 128 pp. 153-158. Cadair

1997

Leblanc, O., Armstead, I., Pessino, S., Ortiz, J.P.A., Evans, C., Do Valle, C., Hayward, M.D. 1997. Non-radioactive mRNA fingerprinting to visualise gene expression in mature ovaries of Brachiaria hybrids derived from B. brizantha, an apomictic tropical forage. Plant Science 126 (1) pp. 49-58. 10.1016/S0168-9452(97)00067-8 Cadair

Hayward, M.D., Armstead, I.P., Evans, C., Forster, J.W., Humphreys, M.O., Jones, J.G., Leblanc, O., McAdam, N., Ortiz, J.P., Pessino, S. 1997. New grass genes for old - accessing the grass genome for novel variability. In J. R. Wedell. (ed) Seeds of Progress, British Grassland Society Occasional Symposium No 31: Proceedings of the BGS/BSPB/NIAB/SAC Conference. British Grassland Society Cadair

1996

Hayward, M.D., Armstead, I., Morris, P. 1996. Theoretical potential of biotechniques in crop improvement. In B. Miles., B. L. Maass., C. B. Do Valle. (eds) The Biology, Agronomy and Improvement of Brachiaria, CIAT (Centro Internacional de Agricultura Tropical), Columbia. pp. 178-195. Cadair

1995

Ling, J., Armstead, I. 1995. The in vitro uptake and metabolism of peptides and amino acids by five species of rumen bacteria. Journal of Applied Microbiology 78 (2) pp. 116-124. 10.1111/jam.1995.78.issue-2 Cadair

1993

Armstead, I., Ling, J. 1993. Variations in the uptake and metabolism of peptides and amino acids by mixed ruminal bacteria in vitro. Applied and Environmental Microbiology 59 (10) pp. 3360-3366. Cadair

1992

Ling, J.R., Bronwen Cooper, P., Parker, S.J., Armstead, I.P. 1992. Production and purification of mixed 14C-labelled peptides derived from plant biomass. Journal of Labelled Compounds and Radiopharmaceuticals 31 (5) pp. 417-426. 10.1002/jlcr.2580310512 Cadair

1991

Armstead, I., Ling, J. 1991. Chromatographic separation of mixed peptides from amino acids in biological digests with volatile buffers. Journal of Chromatography A 586 (2) pp. 259-263. 10.1016/0021-9673(91)85130-8 Cadair