The study was performed in Barshin Research Station- General
Commission for Scientific Agriculture Research on the trees age of
13 in grafted with Golden Delicious Cultivar on three rootstocks
(seedless rootstock Malus domestica, vegetative strong
rootstock
MM109, and MM111 half strong rootstock) over the years
(2014.2015 ).The study focused on growth vigor (the stem
circumference above the grafted area ,crown size - the rate of
shoots length and productivity).