Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Cauliflower > Leaf edges brown
Cauliflower > Leaves > Leaf edges brown
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Boron Toxicity
- Leaves have scorching on the margins
- Usually occurs on older leaves
- More information on Boron Toxicity
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Calcium Deficiency
- Younger leaves show signs of browning at the tips
- Browning may only be evident if head is cut open
- More information on Calcium Deficiency
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Black Rot
Xanthomonas campestris
- Leaves wilt, turn yellow and eventually turn brown and die
- Yellow V-shaped lesions develop on margin of leaves, the point of the v follows a vein towards the base of the leaf
- Black veins can be seen in infected leaves, petioles and stems
- Sticky yellowish liquid bacterial ooze may be seen if infected veins are cut
- Disease favored by hot, humid conditions
- More information on Black rot
