Peronospora destructor (Berk.) Casp. ex Berk.
(Onion Downy Mildew)

Interactions where Peronospora destructor is the dominant partner and gains from the process

The following relationships have been collated from the published literature (see 'Interaction References').

Stage Summary Taxon Vernacular Classification References Darwin Classification of Active Taxon Active Taxon Active Vernacular Active Taxon Uncertain Active State Active Part Active Stage Relationship Relationship Uncertain Relationship Geography Darwin Classification of Passive Taxon Passive Taxon Passive Vernacular Passive Taxon Uncertain Passive State Passive Part Passive Stage Passive Taxon's significance to Active Taxon Indoors etc Season
sporangium colony of sporangium infects and damages live, shrivelled leaf UK/IrelandMajor Allium cepa Onion Asparagales: Amaryllidaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora destructor/Peronospora destructoronion downy mildewcolonysporangium Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium cepa/Allium cepaonionlive, shrivelledleafMajor
sporangium colony of sporangium infects and damages live, twisted stem UK/IrelandMajor Allium cepa Onion Asparagales: Amaryllidaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora destructor/Peronospora destructoronion downy mildewcolonysporangium Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium cepa/Allium cepaonionlive, twistedstemMajor
sporangium colony of sporangium infects and damages live bulb UK/IrelandMajor Allium cepa Onion Asparagales: Amaryllidaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora destructor/Peronospora destructoronion downy mildewcolonysporangium Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium cepa/Allium cepaonionlivebulbMajor
sporangium colony of sporangium infects and damages live UK/Ireland Allium fistulosum Welsh Onion Asparagales: Amaryllidaceae A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora destructor/Peronospora destructoronion downy mildewcolonysporangium Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium fistulosum/Allium fistulosumwelsh onionlive
sporangium colony of sporangium infects and damages live bulb UK/IrelandMinor Allium oschaninii Shallot Asparagales: Amaryllidaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora destructor/Peronospora destructoronion downy mildewcolonysporangium Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium oschaninii/Allium oschaniniishallotlivebulbMinor
sporangium colony of sporangium infects and damages live leaf UK/IrelandMinor Allium oschaninii Shallot Asparagales: Amaryllidaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora destructor/Peronospora destructoronion downy mildewcolonysporangium Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium oschaninii/Allium oschaniniishallotliveleafMinor
sporangium colony of sporangium infects and damages live UK/Ireland Allium porrum Leek Asparagales: Amaryllidaceae A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora destructor/Peronospora destructoronion downy mildewcolonysporangium Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium porrum/Allium porrumleeklive
sporangium colony of sporangium infects and damages live UK/Ireland Allium triquetrum Three-cornered Garlic Asparagales: Amaryllidaceae A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora destructor/Peronospora destructoronion downy mildewcolonysporangium Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium triquetrum/Allium triquetrumthree-cornered garliclive
sporangium colony of sporangium infects and damages live UK/IrelandMinor Allium ursinum Ramsons Asparagales: Amaryllidaceae A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles, Preece, T.F., 2002
/Chromista/Oomycota/Peronosporea/Peronosporales/Peronosporaceae/Peronospora destructor/Peronospora destructoronion downy mildewcolonysporangium Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Allium ursinum/Allium ursinumramsonsliveMinor

Author & YearTitleSource
Buczacki, S. & Harris, K., 1998Pests, Diseases & Disorders of Garden PlantsCollins Photoguide, 2nd edition edition, Collins
Ellis, M.B. & J.P., 1997Microfungi on Land Plants: An Identification Handbook2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Preece, T.F., 2002A Checklist of the Downy Mildews (Peronosporaceae) of the British Isles33pp, British Mycological Society

Peronospora destructor (Onion Downy Mildew) may be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesPeronospora destructor (Onion Downy Mildew)
GenusPeronospora (a genus of downy mildews)
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)
NBNNBN (data.nbn.org.uk) has a distribution map for Peronospora destructor (Onion Downy Mildew)

Peronospora destructor (Onion Downy Mildew) may be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Peronospora destructor (Onion Downy Mildew):

Creative Commons License
This website is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Licence.

Unless otherwise expressly stated, all original material on the BioInfo website by Malcolm Storey is licensed under the above Creative Commons Licence.

BioInfo - Wildlife Information (UK)