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Whitney Cranshaw's Images

Title: Professor/Extension Specialist, Entomology
Organization: Colorado State University
Unit: Dept. Bioagricultural Sciences and Pest Management
Country: United States

Remove Filters: Foliage Diseases(X)

42 Images of 8 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5445229 powdery mildew Podosphaera macularis Leaf infection of cannabis
1243104 aster yellows phytoplasma Candidatus Phytoplasma asteris Foliar symptoms to aster yellows infection on carrot.
1243105 aster yellows phytoplasma Candidatus Phytoplasma asteris Head twisting from aster yellows infection on head lettuce.
5369891 brown felt blight of pines Neopeckia coulteri A snow mold, sometimes known as ‘bear wipe’.  Photo taken September 4, 2007.  The identification of the fungus is speculated since spores were not recovered.  However, affected trees were immediately adjacent to similarly infected lodgepole pine.
5369880 brown felt blight of pines Neopeckia coulteri A snow mold, sometimes known as ‘bear wipe’.  Photo taken September 4, 2007.  The identification of the fungus is speculated since spores were not recovered.  However, affected trees were immediately adjacent to similarly infected lodgepole pine.
5369869 brown felt blight of pines Neopeckia coulteri A snow mold, sometimes known as ‘bear wipe’.  Photo taken September 4, 2007.
5369902 brown felt blight of pines Neopeckia coulteri A snow mold, sometimes known as ‘bear wipe’.  Photo taken September 4, 2007. The identification of the fungus is speculated since spores were not recovered.  However, affected trees were immediately adjacent to similarly infected lodgepole pine
1243102 aster yellows phytoplasma Candidatus Phytoplasma asteris Carrots showing range of symptoms to aster yellows infection. Healthy carrot is on right, seriously damaged carrot on left
1243103 aster yellows phytoplasma Candidatus Phytoplasma asteris Foliar symptoms to aster yellows infection on carrot.
5382080 aster yellows phytoplasma Candidatus Phytoplasma asteris Phyllody of cosmos flower resulting from plant infection with aster yellows.  
5382082 aster yellows phytoplasma Candidatus Phytoplasma asteris Phyllody of flowers from plant infected with aster yellows.  
5382078 aster yellows phytoplasma Candidatus Phytoplasma asteris Old scars on fruit produced in reaction to chewing injuries by adult potato flea beetles.  
5382079 aster yellows phytoplasma Candidatus Phytoplasma asteris Phyllody of flowers from plant infected with aster yellows.  
5382055 aster yellows phytoplasma Candidatus Phytoplasma asteris Early stage symptoms of flower disruption to flowers in foreground of picture.  
5382056 aster yellows phytoplasma Candidatus Phytoplasma asteris Early stage symptoms of flower disruption  
5382052 aster yellows phytoplasma Candidatus Phytoplasma asteris Plant in foreground shows symptoms of aster yellows infection.  
5382053 aster yellows phytoplasma Candidatus Phytoplasma asteris Severe symptoms expression in aster yellows infected coneflower.  
5382054 aster yellows phytoplasma Candidatus Phytoplasma asteris Early stage symptoms of flower disruption to flowers in center and right of picture.  
5382049 aster yellows phytoplasma Candidatus Phytoplasma asteris Comparison of top growth symptoms of AY-infected and non-infected carrots, growing adjacent in a garden planting.  
5382050 aster yellows phytoplasma Candidatus Phytoplasma asteris Disruption of flowers produced by infection with aster yellows.  
5382051 aster yellows phytoplasma Candidatus Phytoplasma asteris Comparison of a normal flower and one that has had growth disrupted by aster yellows infection.  
5382046 aster yellows phytoplasma Candidatus Phytoplasma asteris Mild symptoms of root hair proliferation on carrot.  
5382047 aster yellows phytoplasma Candidatus Phytoplasma asteris Comparison of AY-infected and non-infected carrots, growing adjacent in a garden planting.  
5369843 brown felt blight of pines Neopeckia coulteri a snow mold, sometimes known as 'bear wipe'. Photo taken September 4, 2007 at Rabbit Ears' Pass in Routt County, Colorado
5369755 poplar rust Melampsora medusae Yellowish uredia fruiting bodies are on the underside of the leaf.
5369744 poplar rust Melampsora medusae Yellowish uredia on leaf underside produced shortly before leaf drop in early October
5369732 brown felt blight of pines Neopeckia coulteri A snow mold, sometimes known as 'bear wipe'. Photo taken September 4, 2007 at Rabbit Ears' Pass in Routt County, Colorado
5366801 powdery mildew Erysiphe syringae Powdery mildew (Microsphaera syringae) on a lilac leaf.
5366800 powdery mildew Erysiphe syringae Severe infestation of powdery mildew (Microsphaera syringae) on a lilac.
5366963 Gynosporanium rusts Gymnosporangium spp. Telia of rust (Gymnosporangium sp.) on a juniper twig.
5366448 leaf curl Taphrina communis Signs and symptoms of plum pocket disease (Taphrina communis) on fruits of a plum tree.
5366444 leaf curl Taphrina communis Signs and symptoms of plum pocket disease (Taphrina communis) on fruits of a plum tree.
5366443 Stigmina fungus Wilsonomyces carpophilus Symptoms of shothole fungus (Wilsonomyces carpophilus) on a chokecherry leaf.
5304033 aster yellows phytoplasma Candidatus Phytoplasma asteris Infected (top) versus healthy plant
1243106 aster yellows phytoplasma Candidatus Phytoplasma asteris Phyllody resulting from aster yellows infection on Cosmos
1243107 aster yellows phytoplasma Candidatus Phytoplasma asteris Phyllody resulting from aster yellows infection on Cosmos.
1243108 aster yellows phytoplasma Candidatus Phytoplasma asteris Range of symptoms to flowers resulting from aster yellows infection on marigold.
1243109 aster yellows phytoplasma Candidatus Phytoplasma asteris Aster yellows infected flowers within a flower bed on marigold.
1243110 aster yellows phytoplasma Candidatus Phytoplasma asteris Aster yellows infected flowers within a flower bed on petunias.
1243111 aster yellows phytoplasma Candidatus Phytoplasma asteris Witches' brooming symptom of aster yellows infection on Statice.
1243112 aster yellows phytoplasma Candidatus Phytoplasma asteris Witches' brooming and foliar reddening symptom of aster yellows infection on Statice.
1243113 aster yellows phytoplasma Candidatus Phytoplasma asteris Aster yellows infected flowers within a flower bed on Vinca.

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