MM EMLA is one of the more vigorous semi-dwarf rootstocks, producing a tree about 85 to % the size of seedling. MM EMLA produces a free-standing tree and does not need support, and it is more precocious than seedling and is fairly productive when trees are mature.
An apple tree on M9 can readily grow to the same height as a tree on MM if you let it or encourage it. The great thing about M27 is that it allows you to grow a lot of different apple trees in a small space. Apple trees on M27 also have another interesting characteristic.
Penn State participates in multi-state apple rootstock trials, such the NC rootstock project. The following rootstock descriptions and.
With size-controlling rootstocks tree size has been reduced and the number of trees per acre, referred to as tree density, has increased.
The rootstock also affects the kind of soil you can plant into and how the M I wish my dwarf trees were on MM Most of them are not.
Most rugged rootstock for apples. Vigorous, deep-rooted, tolerates wet soil, dry soil, poor soil. Cold-hardy. Unpruned tree height of standard varieties 18' to