| Characteristic | Detail | Description |
|---|---|---|
| Rootstock | G.16 |
Resulted from a cross between Ottawa 3 and Malus floribunda and introduced by the New York State Agricultural Experiment Station, Geneva, NY. G.16 is a dwarfing rootstock and produces a tree similar in size to M.9. It is very precocious and has productivity similar to M.9, and requires full tree support. It is highly resistant to fire blight, quite resistant to crown and root rots, but susceptible to woolly apple aphid. G.16 is hypersensitive to |
Apple Rootstock Info: G.30
| Characteristic | Detail | Description |
|---|---|---|
| Rootstock | G.30 |
Resulted from a cross between M.9 and Robusta 5 and introduced by the New York State Agricultural Experiment Station, Geneva, NY. G.30 produces a fairly vigorous dwarf tree, similar in size to M.26. Precocity and productivity are also similar to M.26. G.30 is highly resistant to fireblight and quite resistant to crown and root rots, but susceptible to woolly apple aphid. G.30 was tested at 20 locations in the NC-140 1994 semi-dwarf rootstock trial with |
Apple Rootstock Info: G.969
| Characteristic | Detail | Description |
|---|---|---|
| Rootstock | G.969 |
G.969 is a semidwarfing rootstock that is resistant to fire blight, crown rot, and woolly apple aphid. It is classified as having growth control between M.7 and MM.106. The rootstocks produce few root suckers or burr knots. Suggested for trial for growers desiring a freestanding tree. |
| Synonyms | Geneva 969 | |
| Origin | N/A | |
| Availability | Limited availability | |
| Tree Size | 70-75% | |
| Precocity | Intermediate | |
| Winter Hardiness | Hardy | |
| Suckering | N/A | |
| Tree Support Needed | No | |
| Where tested within NC-140 or other research |
Apple Rootstock Info: Antonovka 313
| Characteristic | Detail | Description |
|---|---|---|
| Rootstock | Antonovka 313 |
This is a non-dwarfing rootstock from Russia and produces a free-standing tree that is 100% standard size. Trees are slow coming into bearing and moderately productive, and trees may lean slightly in some situations. Although some nurseries advertise Antonovka 313 to be very cold hardy, it is usually considered moderately cold hardy and may be susceptible to late-winter cold. It is adapted to a wide range of soil conditions, and is reportedly resistant to |
Apple Rootstock Info: Alnarp 2
|
Characteristic
|
Detail
|
Description
|
|---|---|---|
|
Alnarp 2
|
Introduced by the Alnarp Fruit Tree Station, in Alnarp, in southern Sweden in 1944. Alnarp 2 was selected in 1920 from a group of mixed Doucin (dwarf) trees and it was brought to the US in 1949. This clonal rootstock propagates easily in the stool bed and produces a free-standing semi-vigorous tree 85 to 90% the size of seedling. Alnarp 2 is very cold tolerant and has been used as an understock for interstem |
Apple Rootstock Characteristics and Descriptions
Click on a rootstock to access characteristics and descriptions.
| Dwarfing Rootstocks | Semi-Dwarfing Rootstocks | Standard Size Rootstocks |
|---|---|---|
| B.9 | B.118 | Antonovka 313 |
| G.16 | B.490 | MM.111 EMLA |
| B.10 | G.202 | P.18 |
| G.214 | G.11 | Seedling |
| G.41 | G.210 | M.116 |
| G.65 | G.30 | |
| G.935 | G.890 | |
| M.27 | G.969 | |
| M.9 | J-TE-H | |
| Mark | M.4 | |
| Ottawa 3 | M.27, M.9 (interstem)/ MM.106 rootstock |
|
| P.2 | M.27,M.9(interstem)/ MM.111 rootstock |
|
| P.22 | M.26 | |
| Supporter 1 | M.7 EMLA | |
| Supporter 4 | MM.106 EMLA | |
| V.3 | V.1 |
