M27Very-dwarf apple rootstock
|Developed by:||East Malling Research Station|
|Country of origin:||United Kingdom|
|Parentage:||M13 x M9|
‘M.27 EMLA' is a very dwarfing rootstock and is probably too dwarfing for most commercial situations, except for vigorous cultivars on vigorous sites; but consider it for home gardens where a small tree is desirable. If handled and spaced properly, it can be a very productive stock for a vertical axe system. Trees on ‘M.27 EMLA' are very precocious and productive. High yield efficiency.
This rootstock has been evaluated in several NC-140 trials and trees are about 30%-50% as large as trees on ‘M.9-T337'. Very poor tolerance of infertile soils, waterlogging and dry soils.
To date, most commercial nurseries are using this rootstock only as an interstem piece on ‘MM.106' or ‘MM.111'.
M27 rootstock characteristics
- Species compatibilityApple
- Vigour % of standard10% - 20%
- Rootstock size classVery dwarf
- Support requiredPermanent support
- DeveloperEast Malling Research Station
- Country of originUnited Kingdom
- Woolly aphidSome susceptibility
- Fire blightVery susceptible
- Powdery mildewSome resistance
- Burr knotsFew
- Collar rotSome resistance
- Crown GallSome resistance
- Root suckersFew
Find our more about this rootstock in the 'Manual of Worldwide Temperate Zone Fruit and Nut Tree Rootstocks'.