Rootstock Information
| Rootstock Variety | B9 | G202 | M7 | MM111 |
|---|---|---|---|---|
|
Where Rootstock Was Developed |
Russia | Geneva, NY at Cornell University | England | England |
|
Type of Rootstock |
Dwarf | Semi-Dwarf | Semi-Dwarf | Semi-Dwarf |
|
Mature Height |
6-10 ft, depending on pruning | 12-14 ft, depending on pruning | 14-16 ft, depending on pruning | 15-25 ft, depending on pruning |
|
Bearing Age |
2-3 years | 2-3 years | 3-5 years | Around 5-7 years, sometimes more |
|
Root System |
Weak | Moderate | Moderate | Strong |
|
Fire Blight Resistance |
Good | Very Resistant | Not | Good |
|
Low Suckering |
Yes | Yes | No | OK |
|
Good for Espaliering on a Post and Wire Trellis |
Yes Can be planted 2-4 ft. apart |
No | No | No |
|
If Free-Standing, Does the Tree Need Permanent Staking |
Staking for the life of the tree is recommended | Yes | No | No |
| How Far Apart Should Trees Be Planted If Free-Standing? | 5 ft. minimum, more if desired | 9 ft minimum, more if desired | 12 ft minimum, more if desired | 18 ft. minimum, more if desired |