P.18

Origin Skierniewice, Poland.
M.4 × Common Antonovka (1954).
Description Leaf: medium large, wavy edge.
Shape: ovate to oval, attenuate tip, obtuse base.
Margin: neat, small.
Stipules: inconspicuous, elliptical.
Shoot: yellowish two-year-old wood.
Vigour Semi-vigorous like M.4.
Propagation Difficult.
Resistance Considerable resistance to collar rot. Hardy. Less susceptible to fireblight than M.9, but just as susceptible to woolly aphid.
Uses Medium-density planting. Not tested in Australia.
AppearanceP.18 branch  P.18 leaf 

This information forms part of Agfact H4.1.10 Apple rootstock identification.