You really have a selection. I use dormant oil on my trees at the end of the season and it really helps too.
The first year that we put the orchard in we let the bugs get a foothold on the young trees and had to battle them all summer with some of them almost completely defoliated. Japanese beetles....I hate them.
Do you fertilize your apple trees? if so at the end of the season or in the springtime? I am thinking I might spread some cow manure around the trees in the fall to see if I can increase the blossoms in the spring.
Hope all is well in Ill. Say hi to yer better half.