Rootworm and corn earworm are the two most common pests of sweet corn. When corn is grown in the same place year after year, as it frequently is in home gardens, a rootworm population is likely to build up in the soil. Their presence is evidenced when stalks blow over in July. Cutting into the base of a fallen stalk will reveal small, black-headed worms. To avoid this problem, control the adult beetles that feed on the silk, or rotate the corn to a different growing area.
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Could an insect or a disease of sweet corn cause the stalks to fall over?
Last Updated: June 24, 2010
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