Best Semi-dwarfing Pear Rootstock - OHxF87 vs. OHxF333 vs. QuinceA

Pear cultivars generally not doing well directly on Quince rootstock and needing an interstem (from POMONA, 1985). (Note: some incompatibilities are delayed…)
Bartlett, including sports
Belle Lucrative
Beurre d’Arenberg
Beurre Bosc
Beurre Clairgeau
Beurre Flon
Beurre Gris d’Hiver Nouveau
Beurre Six
Bristol Cross
Cayuga
Chaplin
Clapps Favorite
Comte de Lamy
Dana Hovey
Doyenne d’Ete
Dr. Jules Guyot
Duchess de Brodeaux
El Dorado
Epine de Mas (Duc de Bordeaux)
Ewart
Forelle
Honeysweet*
Jargonelle
Laurence
Laxton’s Progress
Leaxton’s Early Market
Lemon
Madame Treyve
Marie Louise
Marguerite Marillat
Merton Pride
Michaelmas Nellis
Moonglow
Olivier de Serres
Packham’s Triumph
Passe Colmar
President Heron
Seckel
Sheldon
Roi Charles de Wurtemberg (RCW)
Waite
Winter Nellis
Worden Seckel
*Honeysweet so far has been compatible for me grown as an espalier, but some
report that with free standing the union often fails.

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