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blister rust, white-pine rust, white pine blister rust | any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally | |
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blister rust, Cronartium ribicola | fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host ❲Cronartium ribicola❳ |