As they say 90% of activity is at night. However, in my opinion, that's because a buck makes them at night, and only 10% are made in a spot he feels comfortable visiting and refreshing in the daylight. You have to hunt those 10%.
Field edges, hedgerows, open oak flats, forget those. Hunt the ones in thick funnles, with lots of rubs nearby. Or the ones on the edges of thick swamps. He'll check those while scent checking the swamp for does. I don't fool with scrapes except for a week or so in the prerut, and then only when they are in an area I would hunt anyway. I've killed half a dozen bucks on scrapes, usually calling them in as they worked through the area scent checking everything.
I did kill an 8pt this year after he made a scrape 10 yards from me, but it was so late it was hard to see my pins by the time he turned broadside. He was coming out of an overgrown cutover, too thick for me to even walk in. An older 4 or 5 year old buck would have waited until after dark.
I just check the areas I feel a buck will hang out in, the really thick parts of the area, and if I find scrapes, I'll hunt over them that last few days in Oct and the first few in Nov, then I move onto doe bedding areas and funnels between doe bedding areas. The trick is finding a concentration of rubs and scrapes in an area the buck will feel secure in, otherwise you would be better off using another tactic, IM