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Diseases - Foliage Diseases


Remove Filters: Field(X) Conifer(X) Steven Katovich(X) 5 Sizes Available(X)

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Image Subject Name Scientific Name Description
5202099 poplar rust Melampsora medusae The causal agent of poplar leaf rust (also called conifer-aspen rust) fruiting on tamarack.
1479003 Sirococcus blight of conifers Sirococcus conigenus
1479004 Sirococcus blight of conifers Sirococcus conigenus Needle droop, one of the symptoms that can indicate sirococcus blight on red pine. Photo taken on the Chequamegon National Forest in northern Wisconsin.

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