Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Broccoli > Discolored stem
Broccoli > Stem > Discolored stem
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Black Leg
Phoma lingam
- Stem develops bluish black discoloration
- Stem lesion becomes sunken brown with a purple black border
- Leaves develop yellow spots with gray centers
- Plants eventually wilt and topple over
- More information on Black Leg