As I understand it, Many, many moons ago, Corn was actually a bush. My corn is doing the same thing. I have about 100 stalks and about a quarter of them are "branching" at the soil level. On another forum, an experienced gardener that I trust told me that it will actually stabilize the stalk and help it resist the wind. He said it will no way affect the production negatively. I hope this helps.
I LOVE SOMEONE WITH AUTISM.