Ian P. Armstead

Ian P. Armstead publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Ian P. Armstead sits on this spectrum.

Ian P. Armstead D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Ian P. Armstead sits on this spectrum.

Best Publications

• An enhanced molecular marker based genetic map of perennial ryegrass (Lolium perenne) reveals comparative relationships with other Poaceae genomes

  Elizabeth S. Jones;Natalia L. Mahoney;Mike Denis Hayward;Ian P. Armstead

  291
  Citations

• Cross-species identification of Mendel's I locus.

  Ian Armstead;Iain Donnison;Sylvain Aubry;John Harper

  237
  Citations

• A synteny‐based draft genome sequence of the forage grass Lolium perenne

  Stephen L. Byrne;Istvan Nagy;Matthias Pfeifer;Ian Armstead

  208
  Citations

• An association mapping approach to identify flowering time genes in natural populations of Lolium perenne (L.)

  Leif Skøt;Mervyn O. Humphreys;Ian P. Armstead;Susan Heywood

  170
  Citations

• Dissecting the regulation of fructan metabolism in perennial ryegrass (Lolium perenne) with quantitative trait locus mapping.

  Lesley B. Turner;Andrew J. Cairns;Ian P. Armstead;Jenny Ashton

  160
  Citations

• The control of chlorophyll catabolism and the status of yellowing as a biomarker of leaf senescence

  H. J. Ougham;S. Hortensteiner;I. P. Armstead;I. S. Donnison

  157
  Citations

• Genetic analysis of adaptation differences between highland and lowland tropical maize using molecular markers

  C Jiang;G O Edmeades;I Armstead;H R Lafitte

  151
  Citations

• Synteny between a major heading-date QTL in perennial ryegrass (Lolium perenne L.) and the Hd3 heading-date locus in rice.

  Ian P. Armstead;Lesley B. Turner;Markku S. Farrell;Leif Skøt

  150
  Citations

• Alignment of the Genomes of Brachypodium distachyon and Temperate Cereals and Grasses Using Bacterial Artificial Chromosome Landing With Fluorescence in Situ Hybridization

  Robert Hasterok;Agnieszka Marasek;Iain S. Donnison;Ian Armstead

  145
  Citations

• Self-incompatibility in ryegrass 12. Genotyping and mapping the S and Z loci of Lolium perenne L

  Daniel Thorogood;W. J. Kaiser;J. G. Jones;Ian P. Armstead

  122
  Citations

• Association of candidate genes with flowering time and water-soluble carbohydrate content in Lolium perenne (L.).

  Leif Skøt;Janet Humphreys;Mervyn O. Humphreys;Daniel Thorogood

  121
  Citations

• Integration of gene-based markers in a pearl millet genetic map for identification of candidate genes underlying drought tolerance quantitative trait loci.

  Deepmala Sehgal;Vengaldas Rajaram;Ian Peter Armstead;Vincent Vadez

  120
  Citations

• A genetic map of the apospory-region in Brachiaria hybrids : identification of two markers closely associated with the trait

  Silvina C. Pessino;Silvina C. Pessino;Clive Evans;Juan Pablo A. Ortiz;Juan Pablo A. Ortiz;Ian Armstead

  112
  Citations

• From crop to model to crop: identifying the genetic basis of the staygreen mutation in the Lolium/Festuca forage and amenity grasses

  Ian Armstead;Iain Donnison;Sylvain Aubry;John Harper

  110
  Citations

• Physical and Genetic Mapping in the Grasses Lolium perenne and Festuca pratensis

  Julie King;Ian Peter Armstead;Iain Simon Donnison;Huw M. Thomas

  107
  Citations

• Comparison and integration of genetic maps generated from F2 and BC1‐type mapping populations in perennial ryegrass

  I. P. Armstead;L. B. Turner;I. P. King;A. J. Cairns

  103
  Citations

• How far are we from unravelling self-incompatibility in grasses?

  Bicheng Yang;Bicheng Yang;Bicheng Yang;Daniel Thorogood;Ian P. Armstead;Susanne Barth

  90
  Citations

• Introgression-mapping of genes for drought resistance transferred from Festuca arundinacea var. glaucescens into Lolium multiflorum

  Janet Humphreys;John A. Harper;Ian P. Armstead;Michael W. Humphreys

  88
  Citations

• Implementation of Genomic Prediction in Lolium perenne (L.) Breeding Populations.

  Nastasiya F. Grinberg;Alan Lovatt;Matt Hegarty;Andi Lovatt

  84
  Citations

• Introgression mapping in the grasses. I. Introgression of Festuca pratensis chromosomes and chromosome segments into Lolium perenne

  I P King;W G Morgan;I P Armstead;J A Harper

  82
  Citations

• Identifying genetic components controlling fertility in the outcrossing grass species perennial ryegrass (Lolium perenne) by quantitative trait loci analysis and comparative genetics

  I. P. Armstead;L. B. Turner;A. H. Marshall;M. O. Humphreys

  76
  Citations

• Genotyping by RAD sequencing enables mapping of fatty acid composition traits in perennial ryegrass (Lolium perenne (L.)).

  Matthew John Hegarty;Rattan Singh Yadav;Michael Richard Lee;Ian Peter Armstead

  75
  Citations

• Allelic Variation in the Perennial Ryegrass FLOWERING LOCUS T Gene Is Associated with Changes in Flowering Time across a Range of Populations

  Leif Skøt;Ruth Sanderson;Ann Myfanwy Thomas;Kirsten Pape Skøt

  75
  Citations

• Does fructan have a functional role in physiological traits? Investigation by quantitative trait locus mapping

  Lesley Beryl Turner;Andrew John Cairns;Ian Peter Armstead;Howard Thomas

  71
  Citations

• Progress towards elucidating the mechanisms of self-incompatibility in the grasses: further insights from studies in Lolium

  Manfred Klaas;Bicheng Yang;Bicheng Yang;Bicheng Yang;Maurice Bosch;Daniel Thorogood

  66
  Citations

• map of perennial ryegrass (Lolium perenne) reveals comparative relationships with other Poaceae genomes

  Elizabeth S. Jones;Natalia L. Mahoney;Michael D. Hayward;Ian P. Armstead

  0
  Citations