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Armillaria root rot (Armillaria) on Quercus rubra L. (northern red oak) (3.91797)
Date: October 13 1995Creator: Jacobs, Karel
Type: Specimen
Description:A riker mount containing Armillaria root rot (Armillaria) on Quercus rubra L. (northern red oak). Specimen collected in the East Woods at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Asian longhorned beetle (Anoplophora glabripennis) on Acer saccharinum L. (silver maple) (3.91804)
Date: August 11 1998Creator: Danielson, Donna, Jacobs, Karel, Wiegrefe, Sue
Type: Specimen
Description:A riker mount containing Asian long-horned beetle (Anoplophora glabripennis) on Acer saccharinum L. (silver maple). Specimen collected in Bloomingdale, Illinois.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Bacterial blight of lilac (Pseudomonas syrinae) on Syringa vulgaris L. (common lilac) (3.91809)
Date: May 4 2000Creator: Jacobs, Karel, Danielson, Donna
Type: Specimen
Description:A riker mount containing Bacterial blight of lilac (Pseudomonas syrinae) on Syringa vulgaris L. (common lilac). Specimen collected east of the Ground Cover Garden at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Black pine needle scale (Nuculaspis califormica) on Pinus mugo var. rostrata (Ant.) Hoopes (Beaked mugo pine) (3.91816)
Date: April 16 1997Creator: Danielson, Donna, Jacobs, Karel, Miller, Fredric D.
Type: Specimen
Description:A riker mount containing Black pine needle scale (Nuculaspis califormica) on Pinus mugo var. rostrata (Ant.) Hoopes (Beaked mugo pine). Specimen collected on grid location F-51/40-95 at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Dutch Elm Disease (Ophiostoma ulmi) on Ulmus americana L. (American elm) (3.91843)
Creator: Danielson, Donna, Lewis, Tim, Miller, Fredric D., Jacobs, Karel
Type: Specimen
Description:A riker mount containing Dutch Elm Disease (Ophiostoma ulmi) on Ulmus americana L. (American elm). Specimen collected in the Elm Collection at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Elm yellows (Phytoplasma) on Ulmus americana L. (American elm) (3.91848)
Date: August 1 1997Creator: Jacobs, Karel
Type: Specimen
Description:A riker mount containing Elm yellows (Phytoplasma) on Ulmus americana L. (American elm). Specimens were collected in Rochester, New York and Arlington Heights, Illinois.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
European pine sawfly (Neodiprion sertifer) on Pinus mugo var. rostrata (Ant.) Hoopes (Beaked mugo pine) (3.91853)
Date: April 16 1997Creator: Danielson, Donna, Jacobs, Karel, Miller, Fredric D.
Type: Specimen
Description:A riker mount containing European pine sawfly (Neodiprion sertifer) on Pinus mugo var. rostrata (Ant.) Hoopes (Beaked mugo pine). Specimen collected on grid location F-51/40-95 at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Herbicide injury (Unknown grass herbicide) on Malus sp. (Crabapple) (3.91871)
Date: June 1 1999Creator: Jacobs, Karel
Type: Specimen
Description:A riker mount containing Herbicide injury (Unknown grass herbicide) on Malus sp. (Crabapple).
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Juniper webworm (Dichomeris marginella) on Juniperus communis ‘Aurea’ (Golden common juniper) (3.91884)
Date: April 16 1997Creator: Danielson, Donna, Miller, Fredric D., Jacobs, Karel
Type: Specimen
Description:A riker mount containing Juniper webworm (Dichomeris marginella) on Juniperus communis ‘Aurea’ (Golden common juniper). Specimen collected on grid location B-52/55-05 at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Powdery mildew (Phyllactinia guttata) on Cornus florida L. (flowering dogwood) (3.91938)
Date: October 4 1997Creator: Jacobs, Karel
Type: Specimen
Description:A riker mount containing Powdery mildew (Phyllactinia guttata) on Cornus florida L. (flowering dogwood). Specimen collected on grid location L-41/20-85 at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Scab (Venturia inaequalis) on Malus sp. (Crabapple) (3.91946)
Date: 1996Creator: Jacobs, Karel
Type: Specimen
Description:A riker mount containing Scab (Venturia inaequalis) on Malus sp. (Crabapple). Specimen collected in the Crabapple Lake Area at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Tobacco mosaic virus on Ribes fasciculatum var. chinense Maxim. (Chinese currant) (3.91966)
Date: June 4 1997Creator: Danielson, Donna, Jacobs, Karel
Type: Specimen
Description:A riker mount containing Tobacco mosaic virus on Ribes fasciculatum var. chinense Maxim. (Chinese currant). Specimen collected on grid location D-65/68-64 at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
Verticillium wilt (Verticillium albo-atrum) on Cercis canadensis L. (redbud) and C. chinensis (Redbud/Chinese Redbud) (3.91970)
Date: 1998Creator: Jacobs, Karel, Milauskas, Susan
Type: Specimen
Description:A riker mount containing Verticillium wilt (Verticillium albo-atrum) on Cercis canadensis/C. chinensis (Redbud/Chinese Redbud) . Specimen collected in Winfield, Illinois.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
White pine blister rust (Cronartium ribicola) on Pinus strobus L. (eastern white pine) (3.91976)
Date: September 18 1998Creator: Jacobs, Karel
Type: Specimen
Description:A riker mount containing White pine blister rust (Cronartium ribicola) on Pinus strobus L. (eastern white pine). Specimen brought into the Plant Clinic at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.
X-disease (Unnamed phytoplasma) on Prunus virginiana L. (choke cherry) (3.91985)
Date: August 1 1997Creator: Jacobs, Karel
Type: Specimen
Description:A riker mount containing X-disease (Unnamed phytoplasma) on Prunus virginiana L. (choke cherry). Specimen collected in Rochester, New York.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here and an Arboretum staff member will contact you.