Bean, Lima
Symptom Cause  
Fruits develop small, round, water-soaked spots; later, fruits darken and rot
Anthracnose (on plants)
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Reddish-brown lesions on stem, leaves, and pods; young diseased pods are twisted or bent at point of infection.
Bacterial Spot
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Leaves wrinkled or curled; discolored, stunted, tend to fall off
Bean Aphids
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Holes chewed in leaves; plant yellows, wilts; white grubs on root system
Bean Leaf Beetle
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Curled; twisted leaves
Curly Top
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Plant chewed to soil
Deer
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Pods are mottled with white, fuzzy fungus strands on them
Downy Mildew
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Leaves are skeletonized
Mexican Bean Beetles
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Soft, watery spots on stems, leaves or fruit; enlarge, mold forms
Molds
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Leaves mottled yellow and green, leaves are distorted; raised dark areas; plant stunted
Mosaic Viruses
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Fail to set pods
Over-Mature Pods
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Leaves coated with white powder
Powdery Mildew
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Plant chewed to soil
Rabbits
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Leaves yellow, slow growth, plant wilts, dies
Root Rot (fungus)
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Rust colored spots, underside leaves, leaves yellow, wilt, dry, fall off
Rust (on plants)
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Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible; sometimes galls form on leaves
Spider Mites
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Fail to set pods
Too Hot
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Fail to set pods
Too Much Water
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Plant chewed to soil
Woodchucks
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