[MAIPC] Garlic Mustard mildew
wildmarcimlay at gmail.com
wildmarcimlay at gmail.com
Fri Jun 9 12:55:13 PDT 2023
>From Wikipedia, the free encyclopedia
Erysiphe cruciferarum
<https://en.wikipedia.org/wiki/File:Nsr-slika-334.png>
Erysiphe communis [ <https://en.wikipedia.org/wiki/Sic> sic], illustration
from M. Cilenšek: Naše škodljive rastline (1892)
<https://en.wikipedia.org/wiki/Taxonomy_(biology)> Scientific
classification <https://en.wikipedia.org/wiki/Template:Taxonomy/Erysiphe>
Kingdom:
<https://en.wikipedia.org/wiki/Fungus> Fungi
Division:
<https://en.wikipedia.org/wiki/Ascomycota> Ascomycota
Class:
<https://en.wikipedia.org/wiki/Leotiomycetes> Leotiomycetes
Order:
<https://en.wikipedia.org/wiki/Erysiphales> Erysiphales
Family:
<https://en.wikipedia.org/wiki/Erysiphales> Erysiphaceae
Genus:
<https://en.wikipedia.org/wiki/Erysiphe> Erysiphe
Species:
E. cruciferarum
<https://en.wikipedia.org/wiki/Binomial_nomenclature> Binomial name
Erysiphe cruciferarum
Opiz ex L. Junell, (1967)
<https://en.wikipedia.org/wiki/Synonym_(taxonomy)> Synonyms
* Alphitomorpha communis
* Erysiphe communis
* Erysiphe cruciferarum var. longispora
* Erysiphe pisi var. cruciferarum
* Erysiphe radulescui
Erysiphe cruciferarum is a <https://en.wikipedia.org/wiki/Plant_pathology>
plant pathogen of the family <https://en.wikipedia.org/wiki/Erysiphaceae>
Erysiphaceae, which causes the main
<https://en.wikipedia.org/wiki/Powdery_mildew> powdery mildew of crucifers,
including on <https://en.wikipedia.org/wiki/Brassica> Brassica crops, such
as cauliflower, cabbage, broccoli, and
<https://en.wikipedia.org/wiki/Brussels_sprouts> Brussels sprouts.
<https://en.wikipedia.org/wiki/Erysiphe_cruciferarum#cite_note-1> [1] E.
cruciferarum is distributed worldwide, and is of particular concentration in
continental Europe and the Indian subcontinent.
<https://en.wikipedia.org/wiki/Erysiphe_cruciferarum#cite_note-2> [2] E.
cruciferarum is an <https://en.wikipedia.org/wiki/Ascomycota> ascomycete
fungus that has both sexual and asexual stages. It is also an
<https://en.wikipedia.org/wiki/Obligate_parasite> obligate parasite that
appears to have host specificity; for example, isolates from turnip will not
infect Brussels sprout, and vice versa.
<https://en.wikipedia.org/wiki/Erysiphe_cruciferarum#cite_note-:0-3> [3]
While being a part of the family Erysiphaceae, it belongs to those members
in which the conidia are formed singly and whose haustoria are multilobed.
<https://en.wikipedia.org/wiki/Erysiphe_cruciferarum#cite_note-4> [4]
This species is also being evaluated as a potential
<https://en.wikipedia.org/wiki/Biological_control> biological control for
the invasive plant <https://en.wikipedia.org/wiki/Garlic_mustard> garlic
mustard.
From: Marc Imlay <ialm at erols.com>
Sent: Friday, June 09, 2023 2:47 PM
To: 'Greenberg, Patricia' <Patricia.Greenberg at fairfaxcounty.gov>; 'Jennifer
Soles' <Jsoles at arlingtonva.us>; 'Jennifer A. Hillmer'
<jah at clevelandmetroparks.com>; 'MAIPC' <maipc at lists.maipc.org>
Cc: rtroutman at holdenfg.org; 'Marc Imlay' <wildmarcimlay at gmail.com>
Subject: RE: [MAIPC] Garlic Mustard mildew
So how fast is powdery mildew Erysiphe cruciferarum moving around in
Maryland? Who can move it around? How host specific and native is it of
course? Marc
From: MAIPC <maipc-bounces at lists.maipc.org
<mailto:maipc-bounces at lists.maipc.org> > On Behalf Of Greenberg, Patricia
Sent: Friday, June 09, 2023 11:42 AM
To: Jennifer Soles <Jsoles at arlingtonva.us <mailto:Jsoles at arlingtonva.us> >;
Jennifer A. Hillmer <jah at clevelandmetroparks.com
<mailto:jah at clevelandmetroparks.com> >; MAIPC <maipc at lists.maipc.org
<mailto:maipc at lists.maipc.org> >
Cc: rtroutman at holdenfg.org <mailto:rtroutman at holdenfg.org>
Subject: Re: [MAIPC] Garlic Mustard mildew
Hi,
Our botanist found this article about powdery mildew:
https://pubmed.ncbi.nlm.nih.gov/21636376/
It sounds like it may be impacting growth of the invasive. Yay!
I will share with our team the information about posting on Eddmaps when
seeing the garlic mustard aphids.
Thank you,
Patricia
Patricia Pearl Greenberg
Ecologist II
Invasive Management Area (IMA) Program Manager
Natural Resource Branch
Fairfax County Park Authority
Office: 703-324-8673
<mailto:patricia.greenberg at fairfaxcounty.gov>
patricia.greenberg at fairfaxcounty.gov
(She/Her/Hers)
<https://www.fairfaxcounty.gov/parks/invasive-management-area>
_____
From: Jennifer Soles <Jsoles at arlingtonva.us <mailto:Jsoles at arlingtonva.us> >
Sent: Wednesday, June 7, 2023 2:55:40 PM
To: Jennifer A. Hillmer <jah at clevelandmetroparks.com
<mailto:jah at clevelandmetroparks.com> >; Greenberg, Patricia
<Patricia.Greenberg at fairfaxcounty.gov
<mailto:Patricia.Greenberg at fairfaxcounty.gov> >; MAIPC
<maipc at lists.maipc.org <mailto:maipc at lists.maipc.org> >
Cc: rtroutman at holdenfg.org <mailto:rtroutman at holdenfg.org>
<rtroutman at holdenfg.org <mailto:rtroutman at holdenfg.org> >
Subject: RE: [MAIPC] Garlic Mustard mildew
Thanks all! I just entered this in EDDMaps - and alerted my volunteers as
well.
Jen
Jennifer Soles
(she, her, hers)
Natural Resource Specialist
Arlington County Department of Parks and Recreation
Parks and Natural Resources Division
2700 South Taylor Street
Arlington, VA 22206
Phone: 703 228 1862 Cell: 571-388-8508
<mailto:jsoles at arlingtonva.us> jsoles at arlingtonva.us
Any email sent to/from Arlington County email addresses may be subject to
disclosure under Freedom of Information Act (FOIA) requests.
From: Jennifer A. Hillmer <jah at clevelandmetroparks.com
<mailto:jah at clevelandmetroparks.com> >
Sent: Wednesday, June 7, 2023 2:52 PM
To: Jennifer Soles <Jsoles at arlingtonva.us <mailto:Jsoles at arlingtonva.us> >;
Greenberg, Patricia <Patricia.Greenberg at fairfaxcounty.gov
<mailto:Patricia.Greenberg at fairfaxcounty.gov> >; MAIPC
<maipc at lists.maipc.org <mailto:maipc at lists.maipc.org> >
Cc: rtroutman at holdenfg.org <mailto:rtroutman at holdenfg.org>
Subject: Re: [MAIPC] Garlic Mustard mildew
You don't often get email from jah at clevelandmetroparks.com
<mailto:jah at clevelandmetroparks.com> . Learn why this is important
<https://aka.ms/LearnAboutSenderIdentification>
EXTERNAL EMAIL
CAUTION: This email contains file attachments. Do NOT open files that you
are not expecting to receive, even from known senders.
You are probably seeing garlic mustard aphids (Lipaphis alliarae). Holden
Forests and Gardens in Kirtland Ohio is encouraging mapping (to EDDMapS) and
observation efforts. Contact Becah Troutman at rtroutman at holdenfg.org
<mailto:rtroutman at holdenfg.org> for more information.
Jennifer Hillmer (she/her/hers)
Invasive Plant Coordinator
440-213-2542 (mobile) <http://www.clemetparks.com/>
jah at clevelandmetroparks.com
_____
From: Jennifer Soles <Jsoles at arlingtonva.us <mailto:Jsoles at arlingtonva.us> >
Sent: Wednesday, June 7, 2023 12:15 PM
To: Greenberg, Patricia <Patricia.Greenberg at fairfaxcounty.gov
<mailto:Patricia.Greenberg at fairfaxcounty.gov> >; MAIPC
<maipc at lists.maipc.org <mailto:maipc at lists.maipc.org> >
Subject: Re: [MAIPC] Garlic Mustard mildew
Nope but I've seen Garlic Mustard with LOTS of little grey bugs on it -
especially on the tips and siliques - and been meaning to ask if others have
seen this!
Jennifer Soles
(she, her, hers)
Natural Resource Specialist
Arlington County Department of Parks and Recreation
Parks and Natural Resources Division
2700 South Taylor Street
Arlington, VA 22206
Phone: 703 228 1862 Cell: 571-388-8508
<mailto:jsoles at arlingtonva.us> jsoles at arlingtonva.us
Any email sent to/from Arlington County email addresses may be subject to
disclosure under Freedom of Information Act (FOIA) requests.
From: MAIPC <maipc-bounces at lists.maipc.org
<mailto:maipc-bounces at lists.maipc.org> > On Behalf Of Greenberg, Patricia
Sent: Wednesday, June 7, 2023 10:19 AM
To: MAIPC <maipc at lists.maipc.org <mailto:maipc at lists.maipc.org> >
Subject: [MAIPC] Garlic Mustard mildew
EXTERNAL EMAIL
CAUTION: This email contains file attachments. Do NOT open files that you
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Hi,
Has anyone been seeing this mildew on garlic mustard? See attached photo.
Any knowledge of a biocontrol like this?
Thank you,
Patricia Pearl Greenberg
Ecologist II
Invasive Management Area (IMA) Program Manager
Natural Resource Branch
Fairfax County Park Authority
Office: 703-324-8673
<mailto:patricia.greenberg at fairfaxcounty.gov>
patricia.greenberg at fairfaxcounty.gov
(She/Her/Hers)
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