Extension > Garden > Diagnose a problem > What's wrong with my plant? > Fruit > Strawberry > Spots on leaves
Strawberries > Leaves > Spots on leaves
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Leaf Blight
Phomopsis obscurans
- First see purplish red round leaf spots with a gray brown center
- Spots grow into a large V shaped lesion with a dry brown triangle in the center and a reddish purple V shaped border
- Elongated, sunken, purplish brown or reddish brown spots or streaks may be seen on stems
- Berries can develop soft pink-brown spots
- More information on Leaf blight
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Leaf Scorch
Diplocarpon earlianum
- Small solid purple spots on leaves, No light colored center
- Leaf tissue around spots turn reddish or purple
- Edges of leaves eventually turn brown and dry out; appearing burnt or "scorched"
- Elongated, sunken, purplish brown or reddish brown spots or streaks may be seen on stems
- More information on Leaf Scorch
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Leaf Spot
Mycosphaerella fragariae
- Small and round leaf spots (1/10 – 1/3 of inch)
- Leaf spots have dark purple to reddish edges, with a light tan to white center
- Rarely small black spots (1/4 inch) form on ripe berries around a group of seeds
- More prevalent in high temperature and long period of leaf wetness
- More information on Leaf Spot
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Angular Leaf Spot
Xanthomonas fragariae
- Tiny water-soaked spots first appear on the lower leaf surface, these appear translucent when held up to the light
- Spots are angular or squared off, restricted by small leaf veins
- Sticky clear drops form on the underside of the leaf when wet, dry to a thin whitish crust
- In severe cases, spots grow together into a large reddish purple area and eventually turn brown
- More information on Angular Leaf Spot
