Black spot

Black spot

A very common disease on roses. Black spots with yellow fringes spread quickly...

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Die back

Die back

Shoots die back beginning at the tip and progressing steadily downwards along the...

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Iron deficiency

Iron deficiency

Typically causes green veins and yellowing between veins on leaves. Usually...

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Nitrogen deficiency

Nitrogen deficiency

Leaves appear small and chlorotic (yellowing), general growth is reduced. ...

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Powdery mildew

Powdery mildew

White, powdery fungal growth which develops on the top surface of the leaf, can...

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Rust

Rust

Bright orange spots, or pustules develop on the upper leaf surface with...

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Sooty mould

Sooty mould

Black fungus coating the upper surfaces of leaves. May also be sticky.  Affects a...

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