Phytophthora infestans (Mont.) de Bary
(Potato Blight, Potato Late Blight & Tomato Blight (Causative Agent))

Taxonomic hierarchy:
SpeciesPhytophthora infestans (Potato Blight, Potato Late Blight & Tomato Blight (Causative Agent))
GenusPhytophthora (blights)
FamilyPERONOSPORACEAE (downy mildews)
OrderPERONOSPORALES (downy mildews and white rusts)
ClassPERONOSPOREA (a class of fungoid organisms)
PhylumOOMYCOTA (a group of mainly plant-parasitic fungi)
KingdomCHROMISTA (algae)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Phytophthora infestans (Potato Blight, Potato Late Blight & Tomato Blight (Causative Agent) :
1: Phytophthora infestans (Potato Blight, Potato Late Blight & Tomato Blight (Causative Agent)
20 Aug 2009 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
infection on Tomato plant
Image 1: Dish of infected fruitImage 2: Infected fruit - close-upImage 3: Infected fruit - cut open - close-upImage 4: Infected fruit - green - close-upImage 5: Infected fruit - ripening - close-upImage 6: Infected fruit - ripening - side view - close-upImage 7: Infected fruit with abundant mycelial growth - close-upImage 8: Infected fruit with sparse mycelial growth - close-upImage 9: Infection - early stage - close-upImage 10: Lesion on leaf - top surface - close-upImage 11: Lesion on leaf - top surface - close-up (2)Image 12: Lesion on leaf - under surface - close-upImage 13: Lesion on leaf - under surface - close-up (2)Image 14: Lesion on stem - 24hrs later - close-upImage 15: Lesion on stem - 24hrs later - close-up (2)Image 16: Lesion on stem - close-upImage 17: Lesion on stem - close-up (2)Image 18: Lesions on leaf - white backgroundImage 19: Lesions on stem - 24hrs later - close-upImage 20: Lesions on stem - close-upImage 21: Infection - TS - close-up - enlargedImage 22: Lesion on leaf - top surface - close-up - enlargedImage 23: Lesion on leaf - under surface - close-up - enlargedImage 24: Mycelium - close-up - enlargedImage 25: Mycelium - close-up - highly enlargedImage 26: Mycelium - close-up - highly enlarged (2)Image 27: Mycelium - close-up - highly enlarged (3)Image 28: Mycelium - close-up - highly enlarged (4)Image 29: Mycelium - close-up - magnifiedImage 30: Mycelium - close-up - magnified (2)Image 31: Mycelium - close-up - magnified (3)Image 32: Mycelium - close-up - magnified (4)Image 33: Mycelium infection front - close-up - magnifiedImage 34: Sporangia and hyphae - magnifiedImage 35: Sporangia and hyphae - magnified (2)Image 36: Sporangia and hyphae - magnified (3)Image 37: Sporangia and hyphae - magnified (4)Image 38: Sporangia - highly magnifiedImage 39: Sporangium and hypha - magnifiedImage 40: Sporangium - highly magnifiedImage 41: Sporangium - highly magnified (2)Image 42: Sporangium - highly magnified (3)

Identification Works

AuthorYearTitleSource
Bailey, A.G. 1988 Fungal foes in your garden no 3: Potato Blight Mycologist Vol 02 (3): 122.
Cooke, L.R., Carlisle, D.J., Wilson, D.G. & Deahl, K.L. 2001 Natural occurrence of Phytophthora infestans on Woody Nightshade (Solanum dulcamara) in Ireland New Disease Reports Vol 4.
Stamps, D.J. 1984 Phytophthora infestans (Montagne) de Bary I.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 838.

Phytophthora infestans (Potato Blight, Potato Late Blight & Tomato Blight (Causative Agent) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Phytophthora infestans (Potato Blight, Potato Late Blight & Tomato Blight (Causative Agent)
BioInfoBioInfo (www.bioinfo.org.uk) has 7 host/parasite/foodplant and/or other relationships for Phytophthora infestans (Potato Blight, Potato Late Blight & Tomato Blight (Causative Agent)
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