Grafting involves joining two pieces of genetically different living plant tissue together so they grow together as one plant. The rootstock produces the root system. The scion determines the specific variety of apple that the tree will produce.
The rootstock determine the tree growth and final size. You can choose rootstocks from the most dwarfing M27 over middle vigorous as M7 to vigorous apple rootstock from seeds.
Seedling apple rootstocks have fallen out of fashion, because their natural variability means it is difficult to predict the mature height. An exception is Antonovka, where seedling often are used in very cold regions. Antonovka are an 500 year old Russian apple group. Very cold hardy. Produces vigorous nearly full sized trees.
Which apple rootstocks are available depends on where You live. |