I am a subscriber to the "Mississippi Fruit and Nut Blog" and I read this article and suggest all who grow blueberries read it too.
A Visit From Dr. Scott NeSmith, UGA Blueberry Breeder
Here is the link if that doesn't work
https://msfruitextension.wordpress.c...berry-breeder/
Thee are also some other links you can look at when you get to that page.
He talked a little bit on the Southern Highbush.