Cronartium flaccidum
Pine blister rust
Description
On branches or stem, resinous cankers occur with white vesicles containing an orange powder. Yellowing or reddening of needles on affected branches can be seen a result of the tree decline. The twigs and branches die above the resinous cankers. Affected trees can progressively decline over a long period. C. flaccidum is known from Europe and also from part of northern and eastern Asia. This rust could cause damages on native and introduced pines.
Symptom
On branches or stem, resinous cankers occur with white vesicles containing an orange powder.
Tree Species: Pine
Part of a plant- attacked: Tree trunk, Branch
Pest significance: Harmful
Pest Category: Fungi
Invasive Species: No
Present in EU: Yes
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There are a total of 2 observations of the species in the system



