Pyro Dwarf pear rootstock

Test variety
apple-rootstocks-varieties-anfic

Commercial or trial status

Test list

Origin

A German pear rootstock (Geisenheim Research Station, Geisenheim, Germany in 1980).
Pedigree: ?Old Home? x ?Bonne Luis d?Avranches?.
Patent name: ?Rhenus1?.

Vigour

Low vigour

Plant and rootstock performance

High precocity and yield efficiency with fruit in 2-3 years.
Uniform fruit size.
Good compatibility with all varieties.
Good anchorage.
High frost hardiness.
No lime-induced chlorosis on high pH soils.
Starts bearing in the 2nd leaf.
Produces a tree about 50% smaller than OHxF 97.
Has moderate resistance to fireblight.
Trees on Pyrodwarf seem to shut down earlier and form fruit buds not the shoot tips.

Suckering

No sucker development.