Thielaviopsis basicola (Berk. & Broome) Ferraris
(Black Root Rot)

Taxonomic hierarchy:
Anamorphic SpeciesThielaviopsis basicola (Black Root Rot)
FamilyCERATOCYSTIDACEAE (a family of ascomycetes)
OrderMICROASCALES (an order of ascomycetes)
SubclassSORDARIOMYCETIDAE (a subclass of ascomycetes and lichens)
ClassSORDARIOMYCETES (a class of ascomycetes)
SubphylumPEZIZOMYCOTINA (a subphylum of ascomycetes)
PhylumASCOMYCOTA (spore shooters, ascomycete)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Thielaviopsis basicola (Black Root Rot) :
1: Thielaviopsis basicola (Black Root Rot)
13 Aug 2007 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
black patches on carrots, stored in garage
Image 1: Infected carrotsImage 2: Infection spot - close-upImage 3: Infection spot - close-up (2)Image 4: Infection spot - close-up (3)Image 5: Infection spot - magnifiedImage 6: Infection spot - magnified (2)Image 7: Infection spot - magnified (3)Image 8: Phialide base - highly magnifiedImage 9: Phialide - magnifiedImage 10: Phialide - highly magnifiedImage 11: Phialides and type 2 phialoconidia - magnifiedImage 12: Phialides - magnifiedImage 13: Phialide tip with conidium within - highly magnifiedImage 14: Phialide tip with phialoconidium within - highly magnifiedImage 15: Phialide, type 2 phialoconidia and type 1 conidial chain - magnifiedImage 16: Type 1 conidial chain - magnifiedImage 17: Type 1 conidial chain - magnified (2)Image 18: Type 1 conidial chain - highly magnifiedImage 19: Type 1 conidial chains and type 2 conidia - magnifiedImage 20: Type 1 conidial chains - magnifiedImage 21: Type 1 conidial chains - magnified (2)Image 22: Type 1 conidial chains - magnified (3)Image 23: Type 1 conidial chains - magnified (4)Image 24: Type 1 conidial chains - magnified (5)Image 25: Type 1 conidial chains - magnified (6)Image 26: Type 1 conidial chains - magnified (7)Image 27: Type 1 conidial chains - microscope low magnificationImage 28: Type 1 conidial chains surrounded by type 2 phialoconidia - magnifiedImage 29: Type 1 conidial chain surrounded by type 2 phialoconidia - highly magnifiedImage 30: Type 1 conidium (lateral view) and conidial chains - highly magnifiedImage 31: Type 1 conidium - end view showing pore - highly magnifiedImage 32: Type 1 conidium - end view showing pore - highly magnified (2)Image 33: Type 1 conidium - oblique view showing pore in end face - highly magnifiedImage 34: Type 1 conidium - side view showing pore - highly magnifiedImage 35: Type 2 phialoconidia - highly magnified

Identification Works

AuthorYearTitleSource
Weber, R.W.S. & Tribe, H. 2004 Moulds that should be better known: Thielaviopsis basicola and T. thielavioides, two ubiquitous moulds on carrots sold in shops Mycologist Vol 18 (1): 6-10.

Thielaviopsis basicola (Black Root Rot) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Thielaviopsis basicola (Black Root Rot)
BioInfoBioInfo (www.bioinfo.org.uk) has 3 host/parasite/foodplant and/or other relationships for Thielaviopsis basicola (Black Root Rot)
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