Great article on inbreeding in apples!
A worthwhile read: https://nmfruitgrowers.wordpress.com/2014/03/11/inbreeding-in-modern-apple-cultivation-by-hans-joachim-bannier/
Documenting my efforts improving the USDA Blairmont Apple Cultivar. Bringing back Apples born in Georgia. Old Southern classic apples mostly forgotten{and should not be}. Creating a rootstock for apples made for Southern heat and diseases on the Coastal plains and lower Piedmont regions. And finding and breeding rarely known low chill apple trees.