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Crop Knowledge Master Search by: Crop Chinese Cabbage Other Names: NAPA CABBAGE, WON BOK Vegetables General Crop Information Insects and Other Pests Plant Disease Pathogens Insects and Other Pests Scientific Name Common Name Group Brevicoryne brassicae cabbage aphid APHIDS Lipaphis erysimi turnip
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Symptoms: The disease usually starts on the leaf margins of older leaves, causing dark-brown to black spots with yellow borders. The expansion of numerous spots on a leaf will cause chlorosis (yellowing) and eventually necrosis (death) of the entire leaflet.
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