Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Swiss Chard > Discolored leaves
Swiss Chard > Leaves > Discolored leaves
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Spinach Leafminer
Pegomya hyoscyami
- Larvae tunnel into leaves creating mines that begin long and narrow and eventually becoming an irregularly shaped blotch area
- Mines are opaque at first and then later turn brown.
- Larvae are a carrot-shaped, whitish maggot
- Present throughout the growing season
- More information on Spinach Leafminer
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Root Rot Complex
Pythium spp., Rhizoctonia solani, Aphanomyces cochlioides
- Leaves turn yellow and eventually wilt
- Roots have dark sunken areas and few or no root hairs
- Fluffy, white to grayish brown fungal growth may be present on rotted areas of the root
- More information on Root Rot Complex
