Extension > Garden > Diagnose a problem > What's wrong with my plant? > Fruit > Blueberry > Soft or rotten fruit
Blueberry > Fruit > Soft or rotten fruit
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Spotted Winged Drosophila
Drosophila suzukii
- Active in gardens from July to September
- Larvae feed on healthy, intact, ripening fruits
- Larvae feed within the berries causing brown, sunken areas
- Fruit becomes soft and decays
- Adult flies are small (1/8 – 1/12 inch) long, yellowish-brown and red eyes, larvae are small (1/8” long), white and cylindrical
- More information on Spotted Winged Drosophila
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Anthracnose
Colletotrichum gloeosporioides
- Reddish-brown round to irregular spots on leaves
- Berries become soft and wrinkled from the blossom end
- Salmon to orange colored sticky spore masses develop on infected berries and stems when wet
- Infected twigs/canes have dark brown lesions with raised bumps arranged in concentric circles
- More information on Anthracnose
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Botrytis Blight/Gray Mold
Botrytis cinerea
- Berries are covered with a fuzzy gray mold
- Infected blossoms turn brown and become covered with a fuzzy gray mold
- Leaves have brown, irregular lesions and may become distorted
- Twigs turn brownish-black and become gray
- More information on Botrytis Blight/Gray Mold
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Mummy Berry
Monilinia vaccinii-corymbosi
- Infected berries appear pinkish tan and feel rubbery
- Berries eventually become whitish gray, shriveled, and drop off
- In spring, new leaves turn brown along the veins and wilt
- Young shoots bend into a shepherd's crook
- More information on Mummy Berry
