Debra Frederickson Matika

BSc, PhD

  • LWEC Phytothreats project (part of the tree health and plant biosecurity intitiative)
  • Providing admin and technical support
  • Risks of Phytophthora species to the Scottish environment and rural economy
  • Collecting soil and water samples and performing soil baiting to detect Phytophthora species present

Related publications

Peer reviewed papers

Metabarcoding reveals a high diversity of woody host-associated Phytophthora spp. in soils at public gardens and amenity woodlands in Britain

A study of Phytophthora diversity in public gardens and amenity woodlands through the use of metabarcoding of soil samples.

Themes

  • Pests and diseases
Peer reviewed papers

Themes

  • Pests and diseases
Climate change series

Factsheet: Climate change and diseases of tree foliage

The six main foliar pathogens already causing significant damage to conifers and broadleaved tree species in the UK are described along with the likely impact of climate change on their spread and severity.

Themes

  • Climate change
  • Pests and diseases
Climate change series

Factsheet: Climate change and tree diseases

The three main fungal root pathogens already present in the UK, causing significant damage in forestry, are described along with the likely impact of climate change on their spread and severity.

Themes

  • Climate change
  • Pests and diseases

D.E. Frederickson Matika & G. Loake (2014). Redox Regulation in Plant Immune Function. Antioxidants & Redox Signaling 21: 1373-1388.

S. Pazoutov, M. Kolarík, G.N. Odvody, D.E. Frederickson, J. Olsovska & P. Man. (2008). A new species complex including Claviceps fusiformis and Claviceps hirtella. Fungal Diversity 31: 95-110.

S. Pazoutova, G.N. Odvody & D.E. Frederickson (2005). Ergot Fungus Claviceps cynodontis found on the Bermuda grass (Cynodon dactylon) in the Americas. Canadian Journal of Plant Pathology 27: 541-546.

S. Pazoutova & D.E. Frederickson (2005). Genetic Diversity of Claviceps africana on Sorghum and Hyparrhenia. Plant Pathology 54: 749-763.

D.E. Frederickson & G.N. Odvody (2003). Inhibition of Germination of Sphacelial Conidia of Claviceps africana following treatment of Seed-Sphacelia Admixtures with Captan. Crop Protection 22: 95-98.

S. Pazoutova, R. Bandyopadhyay, D. E. Frederickson, P.G. Mantle & R.A. Frederiksen (2000). Relations Among Sorghum Ergot Isolates from the Americas, Africa, India and Australia. Plant Disease 84: 437-442.

D.E. Frederickson, E.S. Monyo, S.B. King, G.N. Odvody & L.E. Claflin (1998). Identification of Pseudomonas syringae, the Cause of Foliar Leafspots and Streaks on Pearl Millet in Zimbabwe. Journal of Phytopathology 147: 701-706.

R. Bandyopadhyay, D.E. Frederickson, N.W. McLaren, G.N. Odvody & M.R. Ryley (1998). Ergot Disease, a New Threat to Sorghum in the Americas and Australia. Plant Disease 82: 356-367.

D.E. Frederickson, E.S. Monyo, S.B. King & G.N. Odvody (1997). A Disease of Pearl Millet in Zimbabwe caused by Pantoea agglomerans. Plant Dis. 81: 959.

D. E. Frederickson & K. Leuschner (1997). The Potential Use of Benomyl for the Control of Ergot (Claviceps africana) in Sorghum A-lines in Zimbabwe. Plant Dis. 81: 761-765.

D.E. Frederickson & P.G. Mantle (1996). Pearl Millet as an Alternate Host of the Sorghum Ergot Pathogen, Claviceps africana. ISMN 37: 83-85.

R. Bandyopadhyay, D.E. Frederickson, N.W. McLaren, & G.N. Odvody (1996). Ergot, a Global Threat to Sorghum. ISMN 37: 1-32 (includes colour supplement for farmers).

D.E. Frederickson, P.G. Mantle & W.A.J. de Milliano (1994). Susceptibility to Ergot in Zimbabwe of Sorghums that Remained Uninfected in their Native Climates of Ethiopia and Rwanda. Plant Pathol. 43: 27-32.

D.E. Frederickson, P.G. Mantle & W.A.J. de Milliano (1993). Windborne Spread of Ergot Disease (Claviceps africana) in Sorghum A-lines in Zimbabwe. Plant Pathol. 42: 368-377.

D.E. Frederickson, P.G. Mantle & W.A.J. de Milliano (1991). Claviceps africana sp.nov.; the Distinctive Ergot Pathogen of Sorghum in Zimbabwe. Mycol. Res. 95: 1101-1107.

D.E. Frederickson, P.G. Mantle & W.A.J. de Milliano (1989). Secondary Conidiation of Sphacelia sorghi on Sorghum, a Novel Factor in the Epidemiology of Sorghum Ergot Disease. Mycol. Res. 93: 497-502.

D.E. Frederickson & P.G. Mantle (1988). Path of Infection of Sorghum by Claviceps sorghi. Physiol. & Molec. Pl. Pathol. 33: 221-234.