Fungi & diseases - Plant Pests

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Watermark disease

Watermark disease is caused by the bacterium (Brenneria salicis). Continue reading

White rust is a water fungus that lives on plants in the crucifer family.
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White-footed Slime; this small fungi is a species of the family of slime molds (Didymiaceae) and is rare.
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Wilt disease is caused by soil fungi:
Fusarium wilt
Verticillium wilt

Witch’s broom is a deformity on a tree branch due to infestation by a fungus.
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Witches’ butter, this fungus lives on dead branches of deciduous trees, either still on the tree or on the ground.
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Xylella is caused by a bacterium.
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Yellow brain, the fungus lives on crevices in the branches of deciduous trees and shrubs.
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