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Donald Owen's Images

Title: Forest Entomologist / Pest Specialist
Organization: California Department of Forestry and Fire Protection
Country: United States
Remove Filters: Incertae sedis(X)
5 Images of 1 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
1312018 Diplodia blight Sphaeropsis sapinea Bark was cut away to reveal resinosis and staining in the wood.
1312019 Diplodia blight Sphaeropsis sapinea Redish-brown needles are current year's infections. Gray needles are from previous year's infections.
1312017 Diplodia blight Sphaeropsis sapinea Heavily diseased with Diplodia Blight.
5430143 Diplodia blight Sphaeropsis sapinea branch tip dieback
1312020 Diplodia blight Sphaeropsis sapinea Conidia of Diplodia pinea (Desm.) Kickx, the casual agent of Dipodia blight. From pycnidia on cones.

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