PP #11/047,374. This rootstock is a cross of Malling 27 x Robusta 5 introduced by Cornell University/Geneva Apple Rootstock Breeding Program. Similar to M9 with good precocity & fruit size. Resistant to fire blight & Phytophthora. Shows resistance to replant disease & appears to be winter hardy. Requires permanent staking. Dwarf, 10-12 ft, permanent staking.