Extension > Garden > Diagnose a problem > What's wrong with my plant? > Fruit > Raspberry > Deformed or crumbly berry
Raspberry > Fruit > Deformed or crumbly berry
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Tarnished Plant Bug
Lygus lineolaris
- Feeding results in a crumbly, seedy berry
- Adults are oval shaped, approximately ¼ inch long, brownish in color with streaked yellow and black lines (tarnished appearance), and have a white V-shaped marking on back
- Nymphs may be confused with aphids; however, they move fast when disturbed (aphids do not)
- Adults are present from April-May, and again in high numbers in late June-July; nymphs present May-July
- More information on Tarnished Plant Bug
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Tomato Ringspot Virus and Mosaic Virus
- Fruits on infected bushes are small and crumbly
- Light to dark green mottling of leaves
- Leaves may be deformed, blistered, or misshapen
- Plants show a progressive stunting of growth and poor yield
- General decline in the cane vigor and fruit production
- More information on Tomato Ringspot Virus and Mosaic Virus
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Poor Pollination
- Berries are small and crumbly
