Table 2. An approximate guide of rootstock/soil agreement. 



Rootstock 



Soil suitability groups 



II 



III 



IV 



VI 



Dwarf 



M.9, M.9A, or virus-tested M.9 



Semi -Dwarf 

 M.26 



Interstem M.9/Alnarp 2 

 Interstem M.9/Seedling 

 Interstem M.9/M.13 

 Interstem M.9/MM 111 

 Interstem M.9/MM 106 

 MM 106 

 M.7 or M.7A 



X 

 X 

 X 



X 

 X 

 X 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 



Vigorous 

 Alnarp 2 

 MM 111 

 Seedling 



X 

 X 

 X 



X 



X X 



X X 



X denotes compatibility of rootstock and soil group 



