Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Datasheet

Pyrenopeziza brassicae
(light leaf spot)

Toolbox

Datasheet

Pyrenopeziza brassicae (light leaf spot)

Summary

  • Last modified
  • 21 November 2019
  • Datasheet Type(s)
  • Pest
  • Natural Enemy
  • Preferred Scientific Name
  • Pyrenopeziza brassicae
  • Preferred Common Name
  • light leaf spot
  • Taxonomic Tree
  • Domain: Eukaryota
  •   Kingdom: Fungi
  •     Phylum: Ascomycota
  •       Subphylum: Pezizomycotina
  •         Class: Leotiomycetes

Don't need the entire report?

Generate a print friendly version containing only the sections you need.

Generate report

Pictures

Top of page
PictureTitleCaptionCopyright
Typical symptoms of light leaf spot on a winter oilseed rape leaf.  Note the production of the characteristic spore bodies (erumpant conidiomata) around the initial site of infection, which has become necrotic.
TitleSymptoms of light leaf spot on rape
CaptionTypical symptoms of light leaf spot on a winter oilseed rape leaf. Note the production of the characteristic spore bodies (erumpant conidiomata) around the initial site of infection, which has become necrotic.
CopyrightNeal Evans
Typical symptoms of light leaf spot on a winter oilseed rape leaf.  Note the production of the characteristic spore bodies (erumpant conidiomata) around the initial site of infection, which has become necrotic.
Symptoms of light leaf spot on rapeTypical symptoms of light leaf spot on a winter oilseed rape leaf. Note the production of the characteristic spore bodies (erumpant conidiomata) around the initial site of infection, which has become necrotic.Neal Evans

Identity

Top of page

Preferred Scientific Name

  • Pyrenopeziza brassicae B. Sutton & Rawl.

Preferred Common Name

  • light leaf spot

Other Scientific Names

  • Cylindrosporium concentricum Grev.
  • Gloeosporium concentricum (Grev) Berk. & Broome

International Common Names

  • English: leaf scorch; light rape leaf spot
  • French: cylindrosporiose

Local Common Names

  • Germany: Blattfleckenkrankheit; Blattfleckenkrankheit: Raps; Weissfleckigkeit; Weissfleckigkeit: Raps

EPPO code

  • PYRPBR (Pyrenopeziza brassicae)

Taxonomic Tree

Top of page
  • Domain: Eukaryota
  •     Kingdom: Fungi
  •         Phylum: Ascomycota
  •             Subphylum: Pezizomycotina
  •                 Class: Leotiomycetes
  •                     Subclass: Leotiomycetidae
  •                         Order: Helotiales
  •                             Family: Dermateaceae
  •                                 Genus: Pyrenopeziza
  •                                     Species: Pyrenopeziza brassicae

Distribution Table

Top of page

The distribution in this summary table is based on all the information available. When several references are cited, they may give conflicting information on the status. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

Last updated: 10 Jan 2020

Growth Stages

Top of page Flowering stage, Fruiting stage, Seedling stage, Vegetative growing stage

List of Symptoms/Signs

Top of page
SignLife StagesType
Fruit / lesions: on pods
Growing point / discoloration
Growing point / distortion
Growing point / lesions
Growing point / mycelium present
Growing point / rot
Inflorescence / blight; necrosis
Inflorescence / discoloration (non-graminaceous plants)
Inflorescence / distortion (non-graminaceous plants)
Inflorescence / lesions; flecking; streaks (not Poaceae)
Inflorescence / premature ripening
Leaves / abnormal colours
Leaves / abnormal forms
Leaves / fungal growth
Leaves / necrotic areas
Leaves / rot
Leaves / yellowed or dead
Stems / discoloration of bark
Whole plant / distortion; rosetting
Whole plant / early senescence
Whole plant / plant dead; dieback

Plant Trade

Top of page
Plant parts liable to carry the pest in trade/transportPest stagesBorne internallyBorne externallyVisibility of pest or symptoms
True seeds (inc. grain) hyphae Yes Yes Pest or symptoms usually invisible
Plant parts not known to carry the pest in trade/transport
Bark
Bulbs/Tubers/Corms/Rhizomes
Flowers/Inflorescences/Cones/Calyx
Fruits (inc. pods)
Growing medium accompanying plants
Leaves
Roots
Seedlings/Micropropagated plants
Stems (above ground)/Shoots/Trunks/Branches
Wood

References

Top of page

Amelung D; Daebeler F, 1991. Occurrence of fertile apothecia and the epidemiology of Pyrenopeziza brassicae Sutton & Rawlinson (anamorph: Cylindrosporium concentricum Grev.) in the German Democratic Republic. Bulletin SROP, 14(6):147-150

Amelung D; Dpbeler F, 1979. A new leaf spot disease on winter rape caused by Pyrenopeziza brassicae (Cylindrosporium concentricum). Nachrichtenblatt fnr den Pflanzenschutz in der DDR, 33(8):163

Berkeley MJ; Broome CE, 1850. Notices of British Fungi. Annual Magazine of Natural History (Series 2), 5:455-466.

Bradburne R; Majer D; Magrath R; Werner CP; Lewis B; Mithen R, 1999. Winter oilseed rape with high levels of resistance to Pyrenopeziza brassicae derived from wild Brassica species. Plant Pathology, 48(4):550-558; 16 ref.

Brun H; Renard M; Jouan B; Tanguy X; Lamarque C, 1979. Preliminary observations on some rape diseases in France: Sclerotinia sclerotiorum, Cylindrosporium concentricum, Ramularia armoracip. Sciences Agronomiques, Rennes, 7-77

CABI/EPPO, 2006. Pyrenopeziza brassicae. Distribution Maps of Plant Diseases, No. 193. Wallingford, UK: CAB International.

Cheah L-H; Hartill WFT, 1985. Disease cycle in New Zealand of light leaf spot of brassicas, induced by Pyrenopeziza brassicae. New Zealand Journal of Agricultural Research, 28(4):567-573

Cheah LH; Hartill WFT; Corbin JB, 1980. First report of the natural occurrence of Pyrenopeziza brassicae Sutton & Rawlinson, the apothecial state of Cylindrosporium concentricum Greville, in brassica crops in New Zealand. New Zealand Journal of Botany, 18(2):197-202

Doughty KJ; Norton G; Landon G; West G; McCartney HA; Booth EJ; Walker KC; Kightley SPJ; Thomas JE, 1998. Effects of disease on seed quality parameters of oilseed rape grown for industrial uses. HGCA Project Report, No. OS33:41 pp.; 24 ref.

Evans N; Fitt BDL; McCartney HA; Welham SJ; McRoberts N, 1999. Sampling winter oilseed rape crops to assess incidence of light leaf spot (Pyrenopeziza brassicae) in the UK. Aspects of Applied Biology, No. 56:123-128; 9 ref.

Fatemi F; Fitt BDL, 1983. Dispersal of Pseudocercosporella herpotrichoides and Pyrenopeziza brassicae spores in splash droplets. Plant Pathology, 32(4):401-404

Figueroa L, 1993. Epidemiology and early detection of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) in the UK. PhD thesis. Reading, UK: University of Reading.

Figueroa L; Fitt BDL; Shaw MW; McCartney HA; Welham SJ, 1995. Effects of temperature on the development of light leaf spot (Pyrenopeziza brassicae) on oilseed rape (Brassica napus). Plant Pathology, 44(1):51-62

Figueroa L; Shaw MW; Fitt BDL; McCartney HA; Welham SJ, 1994. Effect of previous cropping and fungicides timing on the development of light leaf spot (Pyrenopeziza brassicae), seed yield and quality of winter oilseed rape (Brassica napus). Annals of Applied Biology, 124(2):221-239

Fitt BDL; Doughty KJ; Gilles T; Gladders P; Steed JM; Su H; Sutherland KG, 1998. Methods for assessment of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) in the UK. Annals of Applied Biology, 133(3):329-341; 21 ref.

Fitt BDL; Doughty KJ; Gladders P; Steed JM; Sutherland KG, 1998. Diagnosis of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus) in the UK. Annals of Applied Biology, 133(2):155-166; 19 ref.

Fitt BDL; Gladders P; Turner JA; Sutherland KG; Welham SJ; Davies JML, 1997. Prospects for developing a forecasting scheme to optimise use of fungicides for disease control on winter oilseed rape in the UK. Aspects of Applied Biology, No. 48:135-142; 11 ref.

Foster SJ, 2000. Development of diagnostic techniques for Pyrenopeziza brassicae on winter oilseed rape. PhD thesis. Cambridge, UK: University of Cambridge.

Foster SJ; Singh G; Fitt BD; Ashby AM, 1999. Development of PCR based diagnostic techniques for the two mating types of Pyrenopeziza brassicae (light leaf spot) on winter oilseed rape (Brassica napus ssp. oleifera). Physiological and Molecular Plant Pathology, 55(2):111-119; 29 ref.

Gilles T, 2000. Epidemiology of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus). Epidemiology of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape (Brassica napus), v + 123 pp.; Many ref.

Gilles T; Ashby AM; Fitt BDL; Cole T, 2001. Development of Pyrenopeziza brassicae apothecia on agar and oilseed rape debris. Mycological Research, 105(6):705-714; 36 ref.

Gilles T; Fitt BDL, 1999. Infectivity of ascospores of Pyrenopeziza brassicae on leaves and factors affecting maturation of apothecia on debris of oilseed rape. Aspects of Applied Biology, No. 56:61-66; 11 ref.

Gilles T; Fitt BDL; Kennedy R; Welham SJ; Jeger MJ, 2000. Effects of temperature and wetness duration on conidial infection, latent period and asexual sporulation of Pyrenopeziza brassicae on leaves of oilseed rape. Plant Pathology, 49(4):498-508; 17 ref.

Gladders P; Freer B; Green M; Hardwick NV; Jones OW; Sutherland KG, 1998. Roles of varieties and fungicides in managing light leaf spot and canker in winter oilseed rape. London, UK: Home Grown Cereals Authority. HGCA Project Report OS28.

Gladders P; Jewell K; McDonough S, 2004. The contribution of cultivar resistance and fungicides to disease control in winter oilseed rape in England. Bulletin OILB/SROP [Proceedings of the IOBC/WPRS Working Group "Integrated Control in Oilseed Crops", Rothamsted, UK, 30-31 March, 2004.], 27(10):51-56.

Greville RK, 1823. Cylindrosprium concentricum. Scottish Cryptogamic Flora, 1:27.

Hardwick NV; Fitt BDL; Wale SJ; Sweet JB, 1991. Oilseed rape diseases. HGCA Oilseeds Research Review London, UK; Home-Grown Cereals Authority (Oilseeds), No. OS4:131 pp.

Harrison DE; Wimalajeewa DLS; Chambers SC, 1975. List of diseases recorded on vegetables in Victoria before June 30, 1974. Technical Bulletin, Department of Agriculture, Victoria, No.25:35 pp.

Hickman CJ; Schofield ER; Taylor RE, 1955. Light leaf spot of Brassicae. Plant Pathology, 4:129-131.

Inman AJ; Fitt BDL; Evans RL, 1992. A species of Unguicularia on oilseed rape, and its importance in studies of the epidemiology of light leaf spot (Pyrenopeziza brassicae). Plant Pathology, 41(5):646-652

Jeffery DC; Jones DG; Jenkins PD, 1989. Effects of early infections of light leaf spot (Pyrenopeziza brassicae) on oilseed rape (Brassica napus). Aspects of Applied Biology, No. 23:409-415

Karolewski ZR; Fitt BDL; Latunde-Dada AO; Evans N; Foster SJ, 2006. Detection of Pyrenopeziza brassicae (light leaf spot) infection of winter oilseed rape. Bulletin OILB/SROP [Working Group "Integrated Control in Oilseed Crops", Proceedings of a Meeting at Poznan (Poland), 11-12 October 2004.], 29(7):231-236. http://www.iobc-wprs.org

Kennedy R; Wakeham AJ, 2006. Impact of fungicide resistance on light leaf spot control on vegetable brassicas in Scotland. Aspects of Applied Biology [Proceedings of the Association of Applied Biologists Meeting, "Fungicide Resistance: Are we Winning the Battle but Losing the War?", Edinburgh, UK, 7-8 September, 2006.], No.78:51-58.

Lacey ME; Rawlinson CJ; McCartney HA, 1987. First record of the natural occurrence in England of the teleomorph of Pyrenopeziza brassicae on oilseed rape. Transactions of the British Mycological Society, 89(1):135-140

Maddock SE; Ingram DS, 1981. Studies of survival and longevity of the light leaf spot pathogen of brassicas, Pyrenopeziza brassicae. Transactions of the British Mycological Society, 77(1):153-159

Maddock SE; Ingram DS; Gilligan CA, 1981. Resistance of cultivated brassicas to Pyrenopeziza brassicae. Transactions of the British Mycological Society, 76(3):371-382

Madej T, 1986. Incidence of diseases affecting cruciferous plants in Poland. Wissenschaftliche Zeitschrift der Wilhelm-Pieck-Universitat Rostock, Naturwissenschaftliche Reihe, 35(8):50-51

Majer D; Lewis BG; Mithen R, 1998. Genetic variation among field isolates of Pyrenopeziza brassicae. Plant Pathology, 47(1):22-28; 25 ref.

McCartney HA; Lacey ME, 1989. The production and dispersal of ascospores of Pyrenopeziza brassicae in oilseed rape crops. Aspects of Applied Biology, No. 23:401-408

NAPPO, 2015. Phytosanitary Alert System: Pyrenopeziza brassicae (Light leaf spot fungus) - confirmed in Oregon. NAPPO. http://www.pestalert.org/oprDetail.cfm?oprID=621

Paul VH; Rawlinson CJ, 1992. Diseases and Pests of Rape. Gelsenkirchen-Buer, Germany: Verlag Th. Mann.

Penaud A; Regnault Y, 1984. A new rape disease due to Cylindrosporium concentricum. Bibliographic review. Phytoma, No. 354:31-32

Pilet ML; Delourme R; Foisset N; Renard M, 1998. Identification of QTL involved in field resistance to light leaf spot (Pyrenopeziza brassicae) and blackleg resistance (Leptosphaeria maculans) in winter rapeseed (Brassica napus L.). Theoretical and Applied Genetics, 97(3):398-406; 47 ref.

Rawlinson CJ; Cayley GR, 1984. Spray treatments, methods and timing for control of light leaf spot on oilseed rape. Proceedings of the British Crop Protection Conference, Pests and Diseases. Croydon, UK: British Crop Protection Council, 735-742.

Rawlinson CJ; Sutton BC; Muthyalu G, 1978. Taxonomy and biology of Pyrenopeziza brassicae sp. nov. (Cylindrosporium concentricum), a pathogen of winter oilseed rape (Brassica napus spp. oleifera). Transactions of the British Mycological Society, 71(3):425-439

Scott GC; Rea BL, 1986. Autumn application of prochloraz for disease control in oilseed rape. 1986 British Crop Protection Conference. Pests and Diseases. Vol. 3. Thornton Heath, UK: British Crop Protection Council, 1041-1047

Souter SD; Castells-Brooke NID; Antoniw JF; Welham SJ; Fitt BDL; Evans N; Gladders P; Turner JA; Sutherland K, 1999. Forecasting light leaf spot (Pyrenopeziza brassicae) of winter oilseed rape (Brassica napus) on the internet. Aspects of Applied Biology, No. 55:37-42; 13 ref.

Staunton WP, 1967. Studies on light leaf spot (Gloeosporium concentricum) of Brassicae. Irish Journal of Agricultural Research, 6:203-211.

Staunton WP; Kavanagh HT, 1966. Natural occurrence of the perfect stage of Gloeosporium concentricum (Grev.) Berk. Et. Br. Irish Journal of Agricultural Research, 5:140-141.

Sutherland KG; Wale SJ; Sansford C, 1995. Effect of different epidemics of Pyrenopeziza brassicae on yield loss in winter oilseed rape. Proceedings of the Ninth International Rapeseed Congress, 1004-1006.

Thomson JR, 1936. Cylindrosporium concentricum Grev. Transactions of the British Mycological Society, 20:123-132.

Turner JA; Gladders P; Elcock SJ; Walters KFA; Wright DM, 1999. Winter oilseed rape: survey of pests and diseases, 1997/98. York, UK: CSL/ADAS Research and Development.

UK CAB International, 1987. Sphacelotheca cruenta. [Distribution map]. Distribution Maps of Plant Diseases, October (Edition 4):Map 408.

von Arx JA, 1970. A revision of the fungi classified as Gloeosporium. Bibliotheca Mycologica. Lehre, Cramer, 5-8.

von Hohnel F, 1924. Beitrag zur Kenntnis der Gattung Cyrlindrosporium. Annales Mycologici, 22:191-203.

Walker KC; Booth EJ; Sutherland KG, 2000. Light leaf spot (Pyrenopeziza brassicae) and its impact on home-saved seed. Groupe Consultatif International de Recherche sur le Colza Bulletin, 17:56-58.

Welham SJ; Fitt NDL; Turner JA; Gladders P; Sutherland K, 1999. Relationships between regional weather and incidence of light leaf spot (Pyrenopeziza brassicae) on winter oilseed rape in England and Wales. Protection and Production of Combinable Break Crops. Aspects of Applied Biology 56:51-59.

Welham SJ; Turner JA; Gladders P; Fitt BDL; Evans N; 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(6):713-724. http://www.blackwellpublishing.com/ppa

Distribution References

Amelung D, Daebeler F, 1979. A new leaf spot disease on winter rape caused by Pyrenopeziza brassicae (Cylindrosporium concentricum). (Eine neue Blattfleckenkrankheit an Winterraps verursacht durch Pyrenopeziza brassicae (Cylindrosporium concentricum).). Nachrichtenblatt fur den Pflanzenschutz in der DDR. 33 (8), 163.

Brun H, Renard M, Jouan B, Tanguy X, Lamarque C, 1979. Preliminary observations on some rape diseases in France: Sclerotinia sclerotiorum, Cylindrosporium concentricum, Ramularia armoraciae. (Observations preliminaires sur quelques maladies du colza en France: Sclerotinia sclerotiorum, Cylindrosporium concentricum, Ramularia armoraciae.). Sciences Agronomiques, Rennes. 7-77.

CABI, Undated. CABI Compendium: Status as determined by CABI editor. Wallingford, UK: CABI

Cheah L H, Hartill W F T, Corbin J B, 1980. First report of the natural occurrence of Pyrenopeziza brassicae Sutton & Rawlinson, the apothecial state of Cylindrosporium concentricum Greville, in brassica crops in New Zealand. New Zealand Journal of Botany. 18 (2), 197-202.

Gladders P, Jewell K, McDonough S, 2004. The contribution of cultivar resistance and fungicides to disease control in winter oilseed rape in England. Bulletin OILB/SROP. 27 (10), 51-56.

Harrison D E, Wimalajeewa D L S, Chambers S C, 1975. List of diseases recorded on vegetables in Victoria before June 30, 1974. In: Technical Bulletin, Department of Agriculture, Victoria, 35 pp.

Kennedy R, Wakeham A J, 2006. Impact of fungicide resistance on light leaf spot control on vegetable brassicas in Scotland. Aspects of Applied Biology. 51-58.

Madej T, 1986. Incidence of diseases affecting cruciferous plants in Poland. (Untersuchungen zum Auftreten von Krankheiten an Kruziferen in der VR Polen.). Wissenschaftliche Zeitschrift der Wilhelm-Pieck-Universität Rostock, Naturwissenschaftliche Reihe. 35 (8), 50-51.

NAPPO, 2015. Phytosanitary Alert System: Pyrenopeziza brassicae (Light leaf spot fungus) - confirmed in Oregon., NAPPO. http://www.pestalert.org/oprDetail.cfm?oprID=621

Penaud A, Regnault Y, 1984. A new rape disease due to Cylindrosporium concentricum. Bibliographic review. (Une nouvelle maladie du colza due à Cylindrosporium concentricum. Revue bibliographique.). Phytoma. 31-32.

UK, CAB International, 1980. Pyrenopeziza brassicae. [Distribution map]. In: Distribution Maps of Plant Diseases, Wallingford, UK: CAB International. Map 193.

UK, CAB International, 1987. Sphacelotheca cruenta. [Distribution map]. Distribution Maps of Plant Diseases. Map 408.

Welham S J, Turner J A, Gladders P, Fitt B D L, Evans N, 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 (6), 713-724. http://www.blackwellpublishing.com/ppa DOI:10.1111/j.1365-3059.2004.01105.x

Distribution Maps

Top of page
You can pan and zoom the map
Save map