- See also:
- Semi-dwarf M7 class8
Supporter 4TMSemi-dwarf M26 class rootstock
| Used for: | Apple |
| Developed by: | Pillnitz Research Station, Germany |
| Country of origin: | Germany |
| Parentage: | M9 x M4 |
Because of Supporter 4's variable performance in various trials, local authorities should be consulted to determine its value in your area.
Supporter 4 rootstock characteristics
- Species compatibilityApple
- Vigour % of standard55% - 60%
- Rootstock size classSemi-dwarf
- PrecocityPrecocious
- Cold-hardinessCold-hardy
- Country of originGermany
- Woolly aphidSome resistance
- PhytophthoraSome susceptibility
- Burr knotsFew
- Collar rotSome resistance
- Crown GallSome resistance
- Root suckersFew
- Tomato Ringspot VirusSome susceptibility
Find our more about this rootstock in the 'Manual of Worldwide Temperate Zone Fruit and Nut Tree Rootstocks'.