Fungal disease symptoms:
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Birds-eye spot on berries (anthracnose)
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Damping off of seedlings (phytophthora)
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Leaf spot (septoria brown spot)
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Chlorosis (yellowing of leaves)
Bacterial disease symptoms:
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Leaf spot with yellow halo
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Fruit spot
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Canker
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Crown gall
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Sheperd’s crook stem ends on woody plants
Viral disease symptoms:
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Mosaic leaf pattern
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Crinkled leaves
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Yellowed leaves
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Plant stunting