- Sub-categories:
- Dwarf M9 class28
- Intermediate dwarf10
- See also:
- Very-dwarf apple9
- Semi-dwarf apple40
- Semi-vigorous apple6
- Vigorous apple10
- Standard apple20
JM-7Dwarf M9 class rootstock
| Used for: | Apple |
| Developed by: | Morioka Apple Research Center |
| Country of origin: | Japan |
| Parentage: | M9 x Marubakaido |
JM-7 in trials in Japan had similar precocity to M.9EMLA and showed resistance to some viruses.
JM-7 rootstock characteristics
- Species compatibilityApple
- Vigour % of standard25% - 30%
- Rootstock size classDwarf
- PrecocityPrecocious
- Support requiredPermanent support
- Cold-hardinessCold-hardy
- Country of originJapan
- Virus toleranceSome tolerance
- Woolly aphidSome resistance
- Crown rotVery resistant
Find our more about this rootstock in the 'Manual of Worldwide Temperate Zone Fruit and Nut Tree Rootstocks'.