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How to Use Oil in Corn Silks for Worms
How to Use Oil in Corn Silks for Worms. Corn earworm is one of the most prolific pests that corn growers must contend with to achieve a healthy harvest. The worms are actually moth larvae and feed on the silk and kernels of immature corn. Apply a mixture of mineral oil and bacillus thuringiensis, commonly called Bt, a natural bacteria that acts as...
Corn earworm is one of the most prolific pests that corn growers must contend with to achieve a healthy harvest. The worms are actually moth larvae and feed on the silk and kernels of immature corn. Apply a mixture of mineral oil and bacillus thuringiensis, commonly called Bt, a natural bacteria that acts as an insecticide, to kill the larvae when your crop is still young and prevent them from wreaking havoc on your corn crop.
Things You'll Need
Mineral oil
Bacillus thuringiensis
Oil can
Mix the mineral oil and bacillus thuringiensis in a ratio of one part bacillus thuringiensis to 20 parts mineral oil.
Pour the mixture into an oil can.
Apply about five drops, or 1/4 teaspoon, to the silk at the top of each ear of corn six days after you first see silk on the ear.
Tips & Warnings
Mineral oil alone is an effective treatment if bacillus thuringiensis is unavailable.
