Potassium deficiency in cauliflower

Symptoms
Leaf margins turn yellow to light brown, later dark brown. With ongoing deficiency the margin weathers and curls up. Leaves are less waxy.

Causes
Potassium deficiency on leaves. (photo: broccoli)

Symptoms
Potassium deficient white cauliflower shows light brown or white necrosis on the edges. Margins wither and curl up. Leaves are less waxy. With ongoing deficiency necrosis progresses from the margins to the middle of the leaflets.

Causes
Severe Potassium deficiency on leaves. (photo: cabbage)

Symptoms
Leaf margins turn yellow to light brown, later dark brown. With ongoing deficiency the margin weathers and curls up. Leaves are less waxy.

Causes
Potassium deficiency on young plant