One of the biggest problems in growing corn is dealing with ear worms. They generally enter thru the silks and start eating the corn long before you ever have a chance. One of the best ways to control ear worms is by spraying with a product that contains BT, Bacillus thuringiensis. This is one of the most common organic methods for dealing with the worms. BT is safe for people and animals. A couple of the products that contain this form of BT are Thuricide, and Dipel. The spray or dust will only last about a week, or less if you have rain. So don’t forget to re-apply as needed. Keeping the worms at bay will allow you to harvest some very nice ears of corn.
More on BT : http://www.ext.colostate.edu/pubs/insect/05556.html
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