The topping of plants is for seed corn production. The tassels are removed so that plants can only be pollinated by other plants. ... This is the process of hybrid seed. Hybrid seed results in much better plant vigor and yield.

Should I cut the tassels off my corn?

Detasseling helps to pollinate corn plants and encourages or prevents cross-pollination. Removing the Tassel isn't necessary if you only grow a single variety of corn, but it can increase crop resilience and yield.

What happens if you dont Detassel corn?

Up to 70% of tassels are removed mechanically. Then crews come through and clean the fields by hand removing any tassels that the machines missed. Timing is important because if you detassel too early yield may decrease. If you wait too long, the corn plant will start to pollinate itself.