Prof Ian Armstead

Prof Ian Armstead

Professor

Contact Details

Research

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

Publications

King, J, Armstead, IP, Donnison, IS, Thomas, HM, Jones, RN, Kearsey, MJ, Roberts, LA, Thomas, A, Morgan, WG & King, IP 2002, 'Physical and genetic mapping in the grasses Lolium perenne and Festuca pratensis.' Genetics, vol 161, pp. 315-324.
Armstead, IP, Thorogood, D, Kaiser, WJ & Jones, JG 2002, Genotyping and mapping the self-incompatibility loci of Lolium perenne L. in Proceedings International Symposium on Grass Breeding. 24th EUCARPIA Fodder Crops and Amenity Grasses Section, FAL, Braunschweig, Germany, 22-25 September 2002. pp. 22-25, 24th EUCARPIA Fodder Crops and Amenity Grasses Section, Braunschweig, Germany, 2002.
Harper, JA, Armstead, I, King, IP, Roberts, L, Schledde, T, Wagner, N & Thomas, H 2002, 'Developing a chromosome substitution series in Lolium/Festuca' 2002 Plant Science Wales, Bangor, United Kingdom of Great Britain and Northern Ireland, 2002 - 2002, .
Humphreys, MO, Turner, L & Armstead, I 2002, 'QTL identification and marker assisted selection for feeding value in ryegrass' Genotype - Phenotype: Narrowing the Gaps Conference, Cirencester, United Kingdom of Great Britain and Northern Ireland, 2002 - 2002, .
Thomas, H, Morgan, WG, Humphreys, MW, Harper, JA, Armstead, I, Moore, BJ, King, J, Roberts, L, James, AR, Humphreys, J, Hawkins, SL & King, IP 2001, Introgression mapping - the route to designer breeding in grasses. in Proceedings of the XVIth EUCARPIA Congress. Edinburgh, Scotland, pp. 139-145, XVIth EUCARPIA Congress, Edinburgh, United Kingdom of Great Britain and Northern Ireland, 2001.
Armstead, IP, King, IP, Morgan, WG, Forster, JW, Jones, RN, Bollard, AL, Thomas, HM, Hayward, MD & Harper, JA 2001, 'Genetic and physical analysis of a single Festuca pratensis chromosome segment substitution in Lolium perenne' Chromosoma, vol 110, no. 1, pp. 52-57. DOI: 10.1007/s004120000122
Paget, MF, Armstead, IP, Humphreys, MO, Thorogood, D, Turner, LB & Roderick, HW 2001, 'QTL analysis of crown rust resistance in perennial ryegrass - implications for breeding' International Turfgrass Society Research Journal, vol 9, pp. 218-223.
Humphreys, J, Skøt, L, Humphreys, MO, Thomas, ID, Gallagher, J, Armstead, IP & Humphreys, MO (ed.) 2001, Approaches for associating molecular polymorphisms with phenotypic traits based on linkage disequilibrium in natural populations of Lolium perenne. in MO Humphreys (ed.), Molecular Breeding for the Genetic Improvement of Forage Crops and Turf. Wageningen Academic Publishers, pp. 978-90, The 4th international symposium on the molecular breeding of forage and turf, a satellite workshop of the XXth International Grassland Congress, Aberystwyth, United Kingdom of Great Britain and Northern Ireland, 2005.
Cairns, AJ, Pollock, C, Humphreys, MO, Armstead, IP & Turner, LB 2001, A physiological and biochemical analysis of the genetic basis of soluble carbohydrate storage in temperate grasses. in Abstracts Society for Experimental Biology Annual Meeting. pp. 2-6.
King, J, Thomas, HM, Armstead, I, Jones, RN, Kearsey, MJ, Roberts, LA, Morgan, WG & King, IP 2001, 'Introgression mapping reveals a 1:1 correspondence between chiasma frequency and genetic distance' 9th International Plant and Animal Genome Meeting, California, United States of America, 2001 - 2001, pp. 134.
King, I, Morgan, WG, Armstead, I, Jones, TAH, Jones, RN, 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 & CA Redi (eds), Chromosomes Today: Proceedings 13th International Chromosome Conference. vol. 13, Springer Nature, pp. 277-286, Proceedings 13th International Chromosome Conference, Ancona, Italy, 1998.
Jiang, C, Edmeades, GO, Armstead, I, Lafitte, HR, Hayward, MD & Hoisington, D 1999, 'Genetic analysis of adaptation differences between highland and lowland tropical maize using molecular markers' Theoretical and Applied Genetics, vol 99, no. 7-8, pp. 1106-1119. DOI: 10.1007/s001220051315
Armstead, I, Bollard, A, King, IP, Forster, JW, Hayward, MD, Evans, GM & Thomas, HM 1999, 'Chromosome pairing in Lolium perenne × L. temulentum diploid hybrids: genetic and cytogenetic evaluation' Heredity, vol 83, no. 3, pp. 298-303. DOI: 10.1038/sj.hdy.6885730
King, IP, Morgan, WG, Armstead, IP, Harper, JA, Hayward, MD, Bollard, A, Nash, JV, Forster, JW & Thomas, HM 1998, 'Introgression mapping in the grasses. I. Introgression of Festuca pratensis chromosomes and chromosome segments into Lolium perenne' Heredity, vol 81, no. 4, pp. 462-467. DOI: 10.1046/j.1365-2540.1998.00437.x
Pessino, SC, Evans, C, Ortiz, JPA, Armstead, I, do Valle, CB & Hayward, MD 1998, 'A genetic map of the apospory-region in Brachiaria hybrids: identification of two markers closely associated with the trait' Hereditas, vol 128, pp. 153-158.
Leblanc, O, Armstead, I, Pessino, S, Ortiz, JPA, Evans, C, Do Valle, C & Hayward, MD 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, vol 126, no. 1, pp. 49-58. DOI: 10.1016/S0168-9452(97)00067-8
Hayward, MD, Armstead, IP, Evans, C, Forster, JW, Humphreys, MO, Jones, JG, Leblanc, O, McAdam, N, Ortiz, JP & Pessino, S 1997, New grass genes for old - accessing the grass genome for novel variability. in JR Wedell (ed.), Seeds of Progress, British Grassland Society Occasional Symposium No 31: Proceedings of the BGS/BSPB/NIAB/SAC Conference. British Grassland Society.
Hayward, MD, Armstead, I & Morris, P 1996, Theoretical potential of biotechniques in crop improvement. in B Miles, BL Maass & CB Do Valle (eds), The Biology, Agronomy and Improvement of Brachiaria, CIAT (Centro Internacional de Agricultura Tropical), Columbia. pp. 178-195.
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, vol 78, no. 2, pp. 116-124. DOI: 10.1111/jam.1995.78.issue-2
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, vol 59, no. 10, pp. 3360-3366.
Ling, JR, Bronwen Cooper, P, Parker, SJ & Armstead, IP 1992, 'Production and purification of mixed 14C-labelled peptides derived from plant biomass' Journal of Labelled Compounds and Radiopharmaceuticals, vol 31, no. 5, pp. 417-426. DOI: 10.1002/jlcr.2580310512
Armstead, I & Ling, J 1991, 'Chromatographic separation of mixed peptides from amino acids in biological digests with volatile buffers' Journal of Chromatography A, vol 586, no. 2, pp. 259-263. DOI: 10.1016/0021-9673(91)85130-8
Thorogood, D, Armstead, IP, Turner, LB, Humphreys, MO & Hayward, MD 2004, 'Identification and mode of action of self-compatibility loci in Lolium perenne L' Heredity, vol 94, pp. 356-363. DOI: 10.1038/sj.hdy.6800582
Armstead, IP, Turner, LB, Farrell, MS, Skøt, L, Gomez, P, Montoya, T, Donnison, IS, King, IP & Humphreys, MO 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, vol 108, no. 5, pp. 822-828. DOI: 10.1007/s00122-003-1495-6
Thomas, ID, Skøt, L, Sanderson, R, Chorlton, KH, Armstead, IP, Humphreys, MO, Heywood, S & Sackville Hamilton, NR 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, San Diego, United States of America, 2004 - 2004, pp. 10-14.
Sanderson, R, Thomas, ID, Skøt, KP, Skøt, L, Gallagher, J, Heywood, S, Armstead, IP, Humphreys, MO, Vollmann, J (ed.), Grausgruber, H (ed.) & Ruckenbauer, P (ed.) 2004, Genetic variation in natural populations of perennial ryegrass in relation to flowering time and soluble carbohydrates. in Proceedings of the 17th Eucarpia General Congress, Tulln, Austria, 6-11 September 2004. pp. 6-11, 17th Eucarpia General Congress, Tulln, Austria, 2004.
Armstead, I, Roderick, HW, Harper, JA, Thomas, HM, King, IP & Humphreys, MO 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, Lyon, France, 2004 - 2004, .
Kingston-Smith, AH, Bollard, AL, Armstead, IP, Thomas, BJ & Theodorou, MK 2003, 'Proteolysis and cell death in clover leaves is induced by grazing' Protoplasma, vol 220, no. 3-4, pp. 119-129. DOI: 10.1007/s00709-002-0044-5
Dhanoa, MS, Davies, RW, Wilkins, PW, Deakin, C & Armstead, IP 2003, 'Marker-assisted selection for herbage yield and quality in an advanced breeding population of perennial ryegrass' pp. 22-26.
Turner, LB, Armstead, IP, Cairns, AJ & Humphreys, MO 2003, 'Selecting for increased starch content in the vegetative tissues of perennial ryegrass' Paper presented at Proceedings 25th EUCARPIA Fodder Crops and Amenity Grasses Section Meeting, Brno, Czech Republic, 2003 - 2003, pp. 322-325.
Skøt, L, Armstead, IP, Chorlton, KH, Mizen, S, Dhanoa, MS, Thomas, ID, Sackville Hamilton, NR & Humphreys, MO 2003, Association mapping of molecular markers for flowering time using natural populations of Lolium perenne. in Proceedings of the 7th British Grassland Society (BGS) Research Conference, Aberystwyth, 1-3 September 2003. pp. 75-76, 7th British Grassland Society Research Conference, Aberystwyth, United Kingdom of Great Britain and Northern Ireland, 2003.
Humphreys, MO, Turner, LB, Skot, L, Humphreys, MW, King, IP, Armstead, IP & Wilkins, PW 2003, The use of genetic markers in grass breeding. in Proceedings 25th EUCARPIA Fodder Crops and Amenity Grasses Section Meeting. Czech Journal of Genetics and Plant Breeding, vol. 39, Switzerland, pp. 112-119, Proceedings 25th EUCARPIA Fodder Crops and Amenity Grasses Section Meeting, Brno, Czech Republic, 2003.
Roderick, HW, Humphreys, MO, Turner, L, Armstead, I & Thorogood, D 2003, Isolate specific trait loci for resistance to crown rust in perennial ryegrass. in UK Posselt & JM Greef (eds), Proceedings International Symposium on Grass Breeding: 24th EUCARPIA fodder Crops and Amenity Grasses. vol. 59, Vortrage fur Pflanzenzuchtug, pp. 244-247, 24th EUCARPIA Fodder Crops and Amenity Grasses Section, Braunschweig, Germany, 2002.
Winz, R, Wilcox, PL, Echt, CE, Armstead, I, Turner, L & Humphreys, MO 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, Texas, United Kingdom of Great Britain and Northern Ireland, 2003 - 2003, .
Humphreys, MO, Turner, L & Armstead, I 2003, 'QTL mapping in Lolium perenne' Plant & Animal Genomes XI Conference, San Diego, CA, United Kingdom of Great Britain and Northern Ireland, 2003 - 2003, pp. W207.
Armstead, IP, Humphreys, MO, Cairns, AJ, King, IP & Turner, LB 2002, 'Comparison and integration of genetic maps generated from F2 and BC1-type mapping populations in perennial ryegrass (Lolium perenne L.)' Plant Breeding, vol 121, no. 6, pp. 501-507. DOI: 10.1046/j.1439-0523.2002.00742.x
Thorogood, D, Kaiser, WJ, Jones, JG & Armstead, IP 2002, 'Self-incompatibility in ryegrass 12. Genotyping and mapping the S and Z loci of Lolium perenne L.' Heredity, vol 88, pp. 385-390. DOI: 10.1038/sj.hdy.6800071
King, J, Roberts, LA, Kearsey, MJ, Thomas, HM, King, IP, Jones, RN, Huang, LS-F, Armstead, IP, Morgan, WG & King, IP 2002, 'A demonstration of a 1:1 correspondence between chiasma frequency and recombination using a Lolium perenne/Festuca pratensis substitution' Genetics, vol 161, no. 1, pp. 307-314.
Donnison, IS, Cisneros, P, Montoya, T, Armstead, IP, Thomas, BJ, Jones, RN & Morris, P 2002, 'The floral transition in model and forage grasses' Journal of Experimental Botany, no. 33, pp. 42-48.
Humphreys, J, Canter, P, Donnison, I, Thomas, HM, Jones, RN, Armstead, I & Humphreys, MW 2002, 'Antifreeze protein in Festuca pratensis' 2002 Plant Science Wales, Bangor, United Kingdom of Great Britain and Northern Ireland, 2002 - 2002, .
Turner, LB, Armstead, IP, Cairns, AJ, Humphreys, MO & Pollock, C 2002, 'Selecting for increased starch content in the vegetative tissues of Lolium perenne'.
Jones, ES, Mahoney, NL, Hayward, MD, Armstead, IP, Jones, JG, Humphreys, MO, King, IP, Kishida, T, Yamada, T, Balfourier, F, Charmet, G & Forster, JW 2002, 'An enhanced molecular marker based genetic map of perennial ryegrass (Lolium perenne) reveals comparative relationships with other Poaceae genomes' Genome, vol 45, no. 2, pp. 282-295. DOI: 10.1139/g01-144
King, J, Armstead, IP, Harper, JA, James, CL, Roberts, LA, Gasior, D, Kelly, RO, Huang, LS, Thomas, AM, Skot, K & King, IP 2009, 'Progress in introgression mapping in the pooideae' Plant and Animal Genome XVII Conference, San Diego, United States of America, 2009 - 2009, pp. W274.
Williams, JG, King, IP, King, J, Jenkins, G, Harper, JA & Armstead, IP 2009, 'Manipulation of recombination in the grasses' 2009 Plant Science Wales, Cardiff, United Kingdom of Great Britain and Northern Ireland, 2009 - 2009, pp. 13.
Yadav, RS, Sehgal, D, Armstead, IP, Nepolean, T, Vadez, V & Hash, CT 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, San Diego, United States of America, 2009 - 2009, .
Armstead, IP, Barth, S, Yang, B, Thorogood, D, Humphreys, MO, King, IP, Marshall, AH, Turner, LB, Skøt, L, Yamada, T (ed.) & Spangenberg, G (ed.) 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. vol. 12, Springer Nature, pp. 185-192, Proceedings of the 5th International Symposium on the Molecular Breeding of Forage and Turf 2007 (MBFT 2007), Sapporo, Japan, 2007.
Ougham, HJ, Hortensteiner, S, Armstead, IP, Donnison, IS, King, IP, Thomas, H & Mur, LAJ 2008, 'The control of chlorophyll catabolism and the status of yellowing as a biomarker of leaf senescence' Plant Biology, vol 10, no. S1, pp. 4-14. DOI: 10.1111/j.1438-8677.2008.00081.x
King, J, Armstead, IP, Donnison, I, Roberts, L, Harper, JA, Skøt, K, Elborough, K & King, IP 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' Paper presented at XXVIIth EUCARPIA Symposium on Improvement of Fodder Crops and Amenity Grasses, Copenhagen, Denmark, 2007 - 2007, .
Turner, LB, Cairns, AJ, Armstead, IP, Thomas, H, Humphreys, MW & Humphreys, MO 2008, 'Does fructan have a functional role in physiological traits? Investigation by quantative trait locus mapping' New Phytologist, vol 179, no. 3, pp. 765-775. DOI: 10.1111/j.1469-8137.2008.02495.x
Yang, B, Thorogood, D, Armstead, IP & Barth, S 2008, 'How far are we from unravelling self-incompatibility in grasses?' New Phytologist, vol 178, no. 4, pp. 740-753. DOI: 10.1111/j.1469-8137.2008.02421.x
Armstead, IP, Turner, LB, Marshall, AH, Humphreys, MO, King, IP & 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, vol 178, no. 3, pp. 559-571. DOI: 10.1111/j.1469-8137.2008.02413.x
King, J, Thorogood, D, Edwards, KJ, Armstead, IP, Roberts, LA, Skøt, KP, Hanley, Z & King, IP 2008, 'Development of a genomic microsatellite library in perennial ryegrass (Lolium perenne) and its use in trait mapping' Annals of Botany, vol 101, no. 6, pp. 845-853. DOI: 10.1093/aob/mcn016
King, J, Armstead, IP, Donnison, IS, Roberts, LA, Harper, JA, Skot, KP, Elborough, K & King, IP 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' pp. p34.
Skot, L, Thorogood, D, Armstead, IP, Humphreys, J, Sanderson, R, Thomas, ID, Gallagher, JA, Turner, LB, Humphreys, MW & Humphreys, MO 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, San Diego, United States of America, 2008 - 2008, pp. W169.
Thorogood, D & Armstead, IP 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, Copenhagen, 2007 - 2007, pp. p16.
Yang, B, Thorogood, D, Armstead, IP, Franklin, FCH, Barth, S & Lubberstedt, T (ed.) 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, Copenhagen, Denmark, 2007 - 2007, .
Yang, B, Thorogood, D, Armstead, IP, Franklin, FCH & Barth, S 2008, 'Identification of differentially expressed genes during self-incompatibility (SI) response in Lolium perenne' Plant and Animal Genome XVI Conference, San Diego, United States of America, 2008 - 2008, .
Armstead, IP, Turner, LB, Humphreys, MO, Farrell, MS, Cairns, AJ, Skøt, KP, Farrar, K, Donnison, IS & Lubberstedt, T (ed.) 2008, Changes in SSR allele frequencies during phenotypic selection for water-soluble carbohydrate (WSC) in an experimental population of perennial ryegrass. in 27th EUCARPIA Symposium on Improvement of Fodder Crops and Amenity Grasses. pp. 19-23, 27th EUCARPIA Symposium on Improvement of Fodder Crops and Amenity Grasses, Copenhagen, Denmark, 2007.
Skøt, L, Humphreys, J, Humphreys, MO, Thorogood, D, Gallagher, JA, Sanderson, R, Armstead, IP & Thomas, ID 2007, 'Association of candidate genes with flowering time and water-soluble carbohydrate content in Lolium perenne (L.)' Genetics, vol 177, no. 1, pp. 535-547. DOI: 10.1534/genetics.107.071522
Armstead, IP, Huang, LS, King, J, Ougham, HJ, Thomas, H & King, IP 2007, 'Rice pseudomolecule-anchored cross-species DNA sequence alignments indicate regional genomic variation in expressed sequence conservation' BMC Genomics, vol 8, no. 283, 16. DOI: 10.1186/1471-2164-8-283
Armstead, IP, King, J, King, IP, Harper, JA, Roberts, LA, Donnison, IS & Skøt, KP 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, vol 177, no. 1, pp. 597-606. DOI: 10.1534/genetics.107.075515
Donnison, IS, Thomas, H, Armstead, IP, Ougham, HJ, Howarth, CJ & Galyuon, IKA 2007, The genetic control of senescence revealed by mapping quantitative trait loci. in S Gan (ed.), Annual Plant Reviews: Senescence Processes in Plants. vol. 26, Wiley, pp. 171-201.
Armstead, IP, Donnison, IS, Aubry, S, Harper, JA, Hörtensteiner, S, James, CL, Mani, J, Moffet, M, Ougham, HJ, Roberts, LA, Thomas, AM, Weeden, N, Thomas, S & King, IP 2007, 'Cross-species identification of Mendel's/locus' Science, vol 315, no. 5808, pp. 73. DOI: 10.1126/science.1132912
Marshall, A, Abberton, MT, Thorogood, D, Armstead, I & Michaelson-Yeates, TPT 2007, 'Strategies to combine improved reproductive and agronomic traits in forage plant breeding programmes' Paper presented at 6th International Herbage Seed Conference, Norway, 2007 - 2007, pp. 22-27.
Farrar, K, Thomas, AM, Gallagher, JA, Armstead, I, Turner, L, Humphreys, MO & Donnison, I 2007, 'Identification of SNps for molecular breeding in Lolium perenne' Plant and Animal Genome XV Conference, San Diego, California, United States of America, 2007 - 2007, .
Armstead, IP, King, IP & Friesner, J 2007, Staygreen in the grasses: The Multinational Coordinated Arabidopsis Thanliana Functional Genomics Project. Annual Report 2007, Unknown Publisher.
Armstead, IP, Donnison, IS, Aubry, S, Harper, JA, Hortensteiner, S, James, CL, Mani, J, Moffet, M, Ougham, HJ, Roberts, LA, Thomas, AM, Weeden, N, Thomas, S & King, IP 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, vol 172, no. 4, pp. 592-597. DOI: 10.1111/j.1469-8137.2006.01922.x
Donnison, IS, King, IP, Wolny, E, Jenkins, GM, Marasek, A, Armstead, IP, Hasterok, R, Idziak, D, Draper, JH & Thomas, AM 2006, 'Alignment of the genomes of brachypodium distachyon and temperate cereals and grasses using bacterial artificial chromosome landing with fluorescence in situ hybridization' Genetics, vol 173, no. 1, pp. 349-362. DOI: 10.1534/genetics.105.049726
Armstead, IP, Harper, JA, Turner, LB, Skøt, L, King, IP, Humphreys, MO, Morgan, WG, Thomas, HM & Roderick, HW 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, vol 55, no. 1, pp. 62-67. DOI: 10.1111/j.1365-3059.2005.01308.x
Turner, LB, Cairns, AJ, Armstead, IP, Ashton, J, Skøt, KP, Whittaker, D & Humphreys, MO 2006, 'Dissecting the regulation of fructan metabolism in perennial ryegrass (Lolium perenne) with quantitative trait locus mapping' New Phytologist, vol 169, no. 1, pp. 45-58. DOI: 10.1111/j.1469-8137.2005.01575.x
Donnison, IS, Thain, SC, Skøt, L, Taylor, J, Turner, LB, Armstead, IP, Roderick, HW, King, IP, Humphreys, MO & Humphreys, MW 2006, 'New developments in genotyping and phenotyping for breeding improved sustainability in temperate forage grasses' pp. 1091-1096.
Farrar, K, Thomas, A, Armstead, I, Turner, L, Humphreys, MO & Donnison, IS 2006, 'Identification of SNPs for molecular breeding in Lolium perenne' Plant Genomics European Meeting, Venice, Italy, 2006 - 2006, pp. P.67.
Skøt, L, Humphreys, MO, Armstead, IP, Heywood, S, Skøt, KP, Sanderson, R, Thomas, ID, Chorlton, KH & Sackville Hamilton, NR 2005, 'An association mapping approach to identify flowering time genes in natural populations of Lolium perenne (L.)' Molecular Breeding, vol 15, no. 3, pp. 233-245. DOI: 10.1007/s11032-004-4824-9
Thomas, AM, Thomas, H, Armstead, IP, King, IP, Harper, JA, Moore, BJ, Huang, LS, Fentem, PA, Ougham, HJ, Jones, RN, Jones, TAH, Roberts, LA, King, J & Donnison, IS 2005, 'Molecular tagging of a senescence gene by introgression mapping of a stay-green mutation from Festuca pratensis' New Phytologist, vol 165, no. 3, pp. 801-806. DOI: 10.1111/j.1469-8137.2004.01269.x
Armstead, IP, Skøt, L, Donnison, IS, Skøt, KP, King, IP, Turner, LB & Humphreys, MO 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. DOI: 10.1111/j.1469-8137.2005.01392.x
Donnison, IS, O'Sullivan, DM, Thomas, A, Canter, P, Moore, B, Armstead, I, Thomas, H, Edwards, KJ & King, IP 2005, 'Construction of a Festuca pratensis BAC library for map-based cloning in IFestulolium substitution lines' Theoretical and Applied Genetics, vol 110, no. 5, pp. 846-851. DOI: 10.1007/s00122-004-1870-y
Humphreys, J, Harper, JA, Armstead, IP & Humphreys, MW 2005, 'Introgression-mapping of genes for drought resistance transferred from Festuca arundinacea var. glaucescens into Lolium multiflorum' Theoretical and Applied Genetics, vol 110, no. 3, pp. 579-587. DOI: 10.1007/s00122-004-1879-2
Turner, LB, King, IP, Skøt, L, Donnison, IS, Humphreys, MO, Armstead, IP & Humphreys, MO (ed.) 2005, 'The identification of genetic synteny between Lolium perenne chromosome 7 and rice chromosome 6 genomic regions that have major effects on heading-date' pp. 978-90.
Gallagher, J, Humphreys, MO, Cairns, AJ, Turner, LB & Armstead, IP 2005, Mapping water-soluble carbohydrate content in perennial ryegrass. in MO 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.
Humphreys, J, Armstead, IP, Humphreys, MW, O'Mara, FP (ed.), Wilkins, RJ (ed.), 't Mannetje, L (ed.), Lovett, DK (ed.), Rogers, PAM (ed.) & Boland, TM (ed.) 2005, 'Development of a breeders' toolkit for drought resistance in a Lolium/Festuca hybrid'.
King, IP, King, J, Armstead, IP, Harper, JA, Roberts, LA, Thomas, H, Ougham, HJ, Jones, RN, Thomas, AM, Moore, BJ & Humphreys, MO (ed.) 2005, 'Introgression mapping in the grasses' Paper presented at The 4th international symposium on the molecular breeding of forage and turf, a satellite workshop of the XXth International Grassland Congress, Aberystwyth, United Kingdom of Great Britain and Northern Ireland, 2005 - 2005, pp. 31-41.
King, J, Armstead, IP, Roberts, LA, Harper, JA, Donnison, IS & King, IP 2005, 'Exploiting the Lolium/Festuca introgression system' 6th Annual GARNet meeting (Genomic Arabidopsis Research Network), Norwich, United Kingdom of Great Britain and Northern Ireland, 2005 - 2005, .
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele B, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele C, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele D, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele E, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele F, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele G, exons 1-3.
Armstead, IPLolium multiflorum ft3 gene for flowering locus T protein, exons 1-3.
Armstead, IPLolium temulentum ft3 gene for flowering locus T protein, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele E, isolate VRNA_F1#30, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele E/B, isolate VRNA_F1#39, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele B, isolate VRNA_F1#39, exons 1-3.
Studer, B, Kölliker, R, Muylle, H, Asp, T, Frei, UC, Roldán-Ruiz, I, Barre, P, Tomaszewski, C, Meally, H, Barth, S, Skøt, L, Armstead, IP, 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, vol 10, no. 177, 177. DOI: 10.1186/1471-2229-10-177
Sehgal, D, Skot, L, Armstead, IP, Hash, CT & Yadav, RS 2010, 'Fine mapping of a major terminal drought tolerance QTL in pearl millet'.
Armstead, IP, Huang, LS, Ravagnani, A, Robson, PR & Ougham, HJ 2009, 'Bioinformatics in the orphan crops' Briefings in Bioinformatics, vol 10, no. 6, pp. 645-653. DOI: 10.1093/bib/bbp036
Yang, B, Thorogood, D, Armstead, IP, Franklin, FCH & Barth, S 2009, 'Identification of genes expressed during the self-incompatibility response in perennial ryegrass (Lolium perenne L.)' Plant Molecular Biology, vol 70, no. 6, pp. 709-723. DOI: 10.1007/s11103-009-9501-2
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, vol 9, 70. DOI: 10.1186/1471-2229-9-70
Williams, G, King, IP, King, J, Jenkins, G, Harper, J & Armstead, IP 2009, Manipulation of recombination in the grasses. in Monogram Network Workshop. Oral presentation, Monogram Network Worshop, Bristol, United Kingdom of Great Britain and Northern Ireland, 2009.
Armstead, IP & Thomas, AGIGANTEA (GI) gene and helitron-associated and non-associated GI pseudogene sequences from Lolium perenne and Festuca pratensis.
Farrar, K, Thomas, AM, Gallagher, JA, Turner, LB, Armstead, IP, Humphreys, MW & Donnison, IS 2009, 'Identification of SNP markers for molecular breeding in Lolium perenne and other energy grasses' Plant and Animal Genome XVII Conference, San Diego, United States of America, 2009 - 2009, pp. W269.
Harper, JA, Gasior, D, Roberts, LA, Thomas, AM, James, CL, King, J, King, IP & Armstead, IP 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, Cardiff, United Kingdom of Great Britain and Northern Ireland, 2009 - 2009, pp. p17.
Grinberg, N, Lovatt, A, Hegarty, M, Macfarlane, AC, Skot, K, Kelly, R, Blackmore, T, Thorogood, D, King, RD, Armstead, I, Powell, W & Skot, L 2016, 'Implementation of genomic prediction in Lolium perenne (L.) breeding populations' Frontiers in Plant Science, vol 7, 133. DOI: 10.3389/fpls.2016.00133
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, AK Bakken, KA 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. Norwegian Institute of Bioeconomy Research, Norway, pp. 835-837, Proceedings of the 26th General Meeting of the European Grassland Federation, Trondheim, Norway, 2016.
Byrne, SL, 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, vol 84, no. 4, pp. 816-826. DOI: 10.1111/tpj.13037
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. in 31st International EUCARPIA Symposium Section Fodder Crops and Amenity Grasses: Breeding in a World of Scarcity. Ghent, Belgium.
Gallagher, JA, Turner, LB, Cairns, AJ, Farrell, MS, Lovatt, JA, Skøt, KP, Armstead, IP, Humphreys, MO & Roldan_Ruiz, I 2015, 'Genetic Differentiation in Response to Selection for Water-Soluble Carbohydrate Content in Perennial Ryegrass (Lolium perenne L.)' Bioenergy Research, vol 8, no. 1, pp. 77-90. DOI: 10.1007/s12155-014-9491-z
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. Springer Nature, Switzerland, pp. 29-33, Eucarpia Fodder Crops and Amenity Section 2015, Ghent, Belgium, 2015. DOI: 10.1007/978-3-319-28932-8_4
Bentley, AR, Jensen, EF, Mackay, I, Honicka, H, Fladung, M, Hori, K, Yano, M, Mullet, JE, Armstead, IP, Hayes, CM, Thorogood, D, Lovatt, JA, 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. vol. 2, Springer Nature, pp. 1-66. DOI: 10.1007/978-3-642-37048-9_1
King, J, Armstead, IP, Harper, JA, Ramsay, L, Snape, J, Waugh, R, James, CL, Thomas, AM, Gasior, D, Kelly, RO, Roberts, LA, Gustafson, P & King, I 2013, 'Exploitation of interspecific diversity for monocot crop improvement' Heredity, vol 110, pp. 475–483. DOI: 10.1038/hdy.2012.116
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, vol 14, n/a, pp. n/a. DOI: 10.1186/1471-2164-14-437
Hegarty, MJ, Yadav, RS, Lee, MR, Armstead, IP, Sanderson, R, Scollan, ND, 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, vol 11, no. 5, pp. 572–581. DOI: 10.1111/pbi.12045
Armstead, IP, Harper, JA, King, J & King, I 2013, 'Transmission Frequencies of Introgressed Festuca pratensis Chromosome and Chromosome Segments in Lolium perenne' Crop Science, vol 53, no. 5, pp. 1968-1973. DOI: 10.2135/cropsci2013.03.0209
Sehgal, D, Rajaram, V, Armstead, IP, Vadez, V, Yadav, YP, Hash, CT & Yadav, RS 2012, 'Integration of gene-based markers in a pearl millet genetic map for identification of candidate genes underlying drought tolerance QTLs' BMC Plant Biology, vol 12, no. 9, pp. 1-13. DOI: 10.1186/1471-2229-12-9
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, San Diego, United States of America, 2012 - 2012, .
Klaas, M, Yang, B, Bosch, M, Thorogood, D, Manzanares, C, Armstead, IP, Franklin, FCH & Barth, S 2011, 'Progress towards elucidating the mechanisms of self-incompatibility in the grasses: further insights from studies in Lolium' Annals of Botany, vol 108, no. 4, pp. 677-685. DOI: 10.1093/aob/mcr186
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, Poznan, Poland, 2010 - 2010, pp. 32.
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, vol 107, no. 8, pp. 1313-1321. DOI: 10.1093/aob/mcr083
Skøt, L, Sanderson, R, Thomas, AM, Skøt, KP, Thorogood, D, Latypova, GA, Asp, T & Armstead, IP 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, vol 155, no. 2, pp. 1013-1022. DOI: 10.1104/pp.110.169870
Armstead, IPFestuca pratensis ft3 gene for flowering locus T protein, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, exons 1-3.
Armstead, IPLolium perenne ft3 gene for flowering locus T protein, allele A, exons 1-3.