Will Sevin Dust Kill Corn Earworms?

Dust corn silks with Sevin, an insecticide containing carbaryl. Treat when silks first emerge and continue to treat every three to five days until the silks turn brown. Bt and Spinosad. ... Spinosad (a bacterium-based insecticide) can also control earworms.

What can you spray on corn for worms?

A formulation of 1 part Btk or Neem with 20 parts oil is recommended. Apply 5 drops (0.5 ml) from an eyedropper directly to the top of each ear. Timing is critical. Spray when silks have reached their full length and began to wilt and turn brown (this is 5–6 days after 50% of the corn has begun to show silks).

How do you get rid of corn earworms?

Applying mineral oil to the silk where it inserts into the ear is an effective treatment to get rid of earworms. The oil suffocates the larvae. There are insecticidal sprays that are used for earworm control in corn, but great care should be taken in the use of these products.