MM.103 apple rootstock
This information forms part of Agfact H4.1.10 Apple rootstock identification.
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MM.103 branch |
MM.103 leaf |
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| Origin | East Malling and John Innes, England. Northern Spy × Ben Davis (1920s). |
| Description | Leaf: large, flattish, dull, light green, reddish petiole. Shape: oval with attenuate tip and rounded base. Margin: uneven serrations, slight lobbing. Stipules: prominent elliptical. Shoot: reddish, pubescent when young. |
| Vigour | Very vigorous. |
| Propagation | Fairly difficult but will produce on stools. |
| Resistance | Resistant to woolly aphid. Susceptible to collar rot. |
| Uses | Replant areas and spur-type varieties. |