University of California
Fruit Report
Rootstocks
Rootstock Details by Armillaria : Resistant or tolerant
Marianna 26-24
Other Names
Species
Prunus cerasifera x Prunus munsoniana
Origin
Vigor
Standard
Vigor Explanation
Slightly less vigorous than Myrobalan 29C
Waterlogging Tolerance
Good
Waterlogging Explanation
Calcareous Soil Tolerance
Compatibility with Peach and Nectarine
Poor
Compatibility with Plum
Good
Suckering
Lots
Explanations for calcareous soil tolerance - compatiblities - suckering
Suckers profusely
Drought Tolerance
Anchorage
Precocity
Fruit Ripening
Flower Timing
Flower Density
Cold Hardiness
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Susceptible
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Susceptible
Phytophthora
Partly resistant
Armillaria
Resistant or tolerant
Crown Gall
Partly resistant
Disease Explanations
Best rootstock to use if Armillaria (Oak Root Fungus) is a problem
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
Standard rootstock for plums in California, especially in heavy soils where Nemaguard does not do well, or where Armillaria is a problem. However, it tends to have many root suckers.
References
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