What Can You Spray on Corn for Bugs

A suspension of liquid B.t. and mineral oil is applied to corn silks to control corn earworms. Caterpillars may also be controlled with sprays of spinosad, which is a byproduct of a soil microorganism. Aphids may be controlled by sprays of insecticidal soap or horticultural oil.

How do I keep bugs off my corn?

  1. Apply five drops of corn oil or mineral oil to the silks on each ear of corn. …
  2. Wrap the top of each ear of corn with a rubber band after the oil application. …
  3. Spray Bacillus thuringiensis (Bt) onto the corn leaves and over the silk on each corn ear.

How do you get rid of pests on corn plants?

  1. Clean Up. Bark, fallen leaves and other plant debris provide nesting material where mealybugs can hide. …
  2. Rinse Them Off. A sharp spray of water can naturally control small populations of mealybugs. …
  3. Soap Spray. …
  4. Natural Predators.
Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.

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