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R1 to R6 (discolored or dead plants (reddish or purple leaves and stalk …
R1 to R6
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damage to ear
shuck eaten or open, kernels eaten or damage
grasshopper 
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kernels tunnel and eaten
insect damage
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fall armyworm 
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No silk apparent
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silk eaten off
insect damage
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japnese beetle 
wollybear caterpillar 
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