Kohlrabi
Symptom Cause  
Brown Spots, Gray Centers On Leaves And Lower Stems; Stems Blacken
Black Leg
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Young Plant Yellows, Browns, Dies; Lower Leaves Wilt, Die
Black Rot
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Leaves Wrinkled Or Curled; Discolored, Stunted, Tend To Fall Off
Cabbage Aphids
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Holes In Leaves
Cabbage Loopers
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Plant Wilts Hot Days, Recovers At Night; Outer Leaves Yellow, Die
Club Root
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Young Plant Severed At Soil
Cutworms
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Plants Chewed To Soil
Deer
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Holes In Leaves
Diamondback Moth Caterpillar
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White Powder On Leaf Undersides; Foliage Wilts
Downy Mildew
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Tiny, Black Hopping Insect, Holes In leaves
Flea Beetles
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White Butterflies; Ragged Holes In Leaves, Bit Of Green Excrement On Leaves
Imported Cabbageworms
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Plants Chewed To Soil
Rabbits
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Brown lesion shortly followed by a characteristic fluffy, white growth
White Mold (sclerotinia)
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Plants Chewed To Soil
Woodchucks
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