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Objects (34 results)

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ArticleIllinois Forest Health Highlights

2008 – 2016

Miller, Fredric D., Adams, Stephanie

Plant Health Care Report: Issue 2009.14
SerialPlant Health Care Report: Issue 2009.14

2009

Danielson, Donna, Miller, Fredric D., Barron, Tricia, Belshaw, Carol, Adams, Stephanie

Plant Health Care Report: Issue 2009.17
SerialPlant Health Care Report: Issue 2009.17

2009

Danielson, Donna, Miller, Fredric D., Barron, Tricia, Belshaw, Carol, Adams, Stephanie

Plant Health Care Report: Issue 2009.18
SerialPlant Health Care Report: Issue 2009.18

2009

Danielson, Donna, Miller, Fredric D., Barron, Tricia, Belshaw, Carol, Adams, Stephanie

Algal growth (Algae) on Taxus L. (yew)
SpecimenAlgal growth (Algae) on Taxus L. (yew)

January 24 2004

Arborvitae leafminer (Argyresthia thuiella) on Thuja occidentalis L. (eastern arborvitae)
SpecimenArborvitae leafminer (Argyresthia thuiella) on Thuja occidentalis L. (eastern arborvitae)

March 27 2000

Danielson, Donna

Ash anthracnose (Gloeosporium aridum) on Fraxinus pennsylvanica ‘Patmore’ (Patmore green ash)
SpecimenAsh anthracnose (Gloeosporium aridum) on Fraxinus pennsylvanica ‘Patmore’ (Patmore green ash)

July 10 2002

Danielson, Donna

Azalea bark scale (Eriococcus azaleae) on Rhododendron mucronulatum Turcz. (Korean rhododendron)
SpecimenAzalea bark scale (Eriococcus azaleae) on Rhododendron mucronulatum Turcz. (Korean rhododendron)

May 25 2000

Bell, Lisa

Bacterial blight of lilac (Pseudomonas syrinae) on Syringa vulgaris L. (common lilac)
SpecimenBacterial blight of lilac (Pseudomonas syrinae) on Syringa vulgaris L. (common lilac)

May 4 2000

Jacobs, Karel, Danielson, Donna

Bacterial leaf scorch (Xylella fastidiosa) on Quercus rubra L. (northern red oak)
SpecimenBacterial leaf scorch (Xylella fastidiosa) on Quercus rubra L. (northern red oak)

October 2 2000

Butternut canker on Juglans cinerea L. (butternut)
SpecimenButternut canker on Juglans cinerea L. (butternut)

January 2006

Coniothyrium leaf spot (Coniothyrium sp.) on Ulmus americana L. (American elm)
SpecimenConiothyrium leaf spot (Coniothyrium sp.) on Ulmus americana L. (American elm)

August 2 2002

Dogwood anthracnose (Discula destruxtiva) on Cornus florida L. (flowering dogwood)
SpecimenDogwood anthracnose (Discula destruxtiva) on Cornus florida L. (flowering dogwood)

August 2 2002

Eyespot galls (Acericecis ocellaris) on Acer rubrum L. (red maple)
SpecimenEyespot galls (Acericecis ocellaris) on Acer rubrum L. (red maple)

June 9 2000

Fire blight (Erwinia amylovora) on Pyrus communis 'Bartlett' (Dwarf Bartlett Pear)
SpecimenFire blight (Erwinia amylovora) on Pyrus communis 'Bartlett' (Dwarf Bartlett Pear)

June 30 2004

Flea weevil damage (unknown flea weevil) on Ulmus americana 'Moline' (MOLINE AMERICAN ELM)
SpecimenFlea weevil damage (unknown flea weevil) on Ulmus americana 'Moline' (MOLINE AMERICAN ELM)

August 3 2003

Danielson, Donna

Frost damage (Abiotic - cold temperatures during leaf expansion) on Cercidiphyllum japonicum Sieb. & Zucc. (katsura tree)
SpecimenFrost damage (Abiotic - cold temperatures during leaf expansion) on Cercidiphyllum japonicum Sieb. & Zucc. (katsura tree)

July 10 2002

Danielson, Donna

Fusarium canker (Fusarium lateritium) on Hibiscus syriacus L. (rose-of-sharon)
SpecimenFusarium canker (Fusarium lateritium) on Hibiscus syriacus L. (rose-of-sharon)

June 5 2001

Hypoxylon canker (Hypoxylon deustum) on Acer rubrum (Red maple)
SpecimenHypoxylon canker (Hypoxylon deustum) on Acer rubrum (Red maple)

November 3 2000

Iron chlorosis (High pH soil (Abiotic problem)) on Quercus palustris Münchh. (pin oak)
SpecimenIron chlorosis (High pH soil (Abiotic problem)) on Quercus palustris Münchh. (pin oak)

July 10 2006

Danielson, Donna

Melampsora rust (Melamposora medusae) on Populus sp. (Poplar)
SpecimenMelampsora rust (Melamposora medusae) on Populus sp. (Poplar)

August 12 2004

Miner on Platanus × acerifolia (Ait.) Willd. (London planetree)
SpecimenMiner on Platanus × acerifolia (Ait.) Willd. (London planetree)

August 12 2004

Oak wilt (Ceratocystis fagacearum) on Quercus macrocarpa Michx. (bur oak)
SpecimenOak wilt (Ceratocystis fagacearum) on Quercus macrocarpa Michx. (bur oak)

July 2 2004

Malatia, Brian

Pestalotiopsis blight (Pestalotiopsis funerea) on Thuja sp. (Arborvitae)
SpecimenPestalotiopsis blight (Pestalotiopsis funerea) on Thuja sp. (Arborvitae)

June 1 2000

Phomopsis gall on Viburnum sp. (Viburnum)
SpecimenPhomopsis gall on Viburnum sp. (Viburnum)

April 1 2007

Pine needle rust (Coleosporium asterum) on Pinus resinosa Ait. (red pine)
SpecimenPine needle rust (Coleosporium asterum) on Pinus resinosa Ait. (red pine)

August 2 2002

Pine-pine gall rust (Endocronartium harknessii) on Pinus sylvestris L. (Scots pine)
SpecimenPine-pine gall rust (Endocronartium harknessii) on Pinus sylvestris L. (Scots pine)

September 2001

Plum pockets (Taphrina communis) on Prunus persica (L.) Batsch (peach)
SpecimenPlum pockets (Taphrina communis) on Prunus persica (L.) Batsch (peach)

June 6 2000

Hedborn Jr., Edward A.

Powdery mildew (Phyllactinia guttata) on Quercus macrocarpa Michx. (bur oak)
SpecimenPowdery mildew (Phyllactinia guttata) on Quercus macrocarpa Michx. (bur oak)

August 2 2002

G., Dean

Powdery mildew on Physocarpus opulifolius 'Diabolo' (Common Ninebark 'Diablo')
SpecimenPowdery mildew on Physocarpus opulifolius 'Diabolo' (Common Ninebark 'Diablo')

August 9 2005

Rose rosette disease on Rosa sp. (Rose)
SpecimenRose rosette disease on Rosa sp. (Rose)

May 31 2000

Danielson, Donna

Verticillium wilt (Verticillium dahliae) on Fraxinus pennsylvanica (Green ash)
SpecimenVerticillium wilt (Verticillium dahliae) on Fraxinus pennsylvanica (Green ash)

August 7 2002

White pine aphid (Cinara strobi) on Pinus strobus L. (eastern white pine)
SpecimenWhite pine aphid (Cinara strobi) on Pinus strobus L. (eastern white pine)

October 10 2002

White pine weevil (Phyllactinia guttata) on Pinus strobus L. (eastern white pine)
SpecimenWhite pine weevil (Phyllactinia guttata) on Pinus strobus L. (eastern white pine)

July 22 2002

Danielson, Donna

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