- Sub-categories:
- Semi-dwarf stone fruit6
- Semi-vigorous stone fruit20
- Vigorous stone fruit15
- Standard stone fruit24
M40Vigorous stone fruit rootstock
| Used for: | European plum, Japanese plum, Apricot |
| Developed by: | USDA-ARS |
| Country of origin: | United States |
| Parentage: | Prunus cerasifera x Prunus munsoniana |
M40 is compatible with many prunes, apricots and Japanese plums. Its almond compatibility is similar to ‘Marianna 26-24’ and is incompatible with peaches, nectarines and some almond varieties.
M40 rootstock characteristics
- Species compatibilityEuropean plum, Japanese plum, Apricot
- Vigour % of standard85%
- Rootstock size classVigorous
- Support requiredFree-standing
- Cold-hardinessCold-hardy
- DeveloperUniversity of California Davis Plant Breeding Center
- Country of originUnited States
- PhytophthoraSome resistance
- Bacterial cankerSome susceptibility
- Root knot nematodeSome resistance
- Honey / Oak root fungusSome resistance
- Root suckersFew
Find our more about this rootstock in the 'Manual of Worldwide Temperate Zone Fruit and Nut Tree Rootstocks'.