Rootstocks
Rootstock Details by Drought Tolerance : Good
Paramount
Other Names
GF 677
Species
Prunus dulcis x Prunus persica
Origin
Introduced in France by INRA
Vigor
Very vigorous
Vigor Explanation
Waterlogging Tolerance
Poor
Waterlogging Explanation
Calcareous Soil Tolerance
Good
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Unknown
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
Showed better tolerance of calcareous soils (no iron chlorosis) than many other rootstocks tested (Acta Hort article)
Drought Tolerance
Good
Anchorage
Good
Precocity
Delayed Precocity
Fruit Ripening
Delayed
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
No
Rootknot Nematode
Susceptible
Lesion Nematode
Partly resistant
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Phytophthora
Susceptible
Armillaria
Susceptible
Crown Gall
Susceptible
Disease Explanations
Also reported to be susceptible to silver leaf disease and somewhat to verticillium wilt
Other Diseases
Availability from Nurseries
Propagation Methods
Can be propagated by softwood and hardwood cuttings. Now mostly propagated by micropropagation.
Summary Comments
Has been widely used in Europe because of its tolerance to calcareous soils. However, it has many drawbacks including susceptibility to most soil pests and diseases and it does not tolerate waterlogged soils.
References
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Pumiselect
Other Names
Rhenus 2
Species
Prunus pumila
Origin
Germany
Vigor
Semidwarf
Vigor Explanation
Waterlogging Tolerance
Poor
Waterlogging Explanation
Calcareous Soil Tolerance
Poor
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Unknown
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
Drought Tolerance
Good
Anchorage
Poor
Precocity
Unknown
Fruit Ripening
Unknown
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
Yes
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Partly resistant
Ring Nematode
Partly resistant
Nematode Explanations
In California trials (Nematode Table), this rootstock was resistant to root-knot nematodes, similar to Nemaguard in lesion susceptibility and between Nemaguard and Lovell in ring nematode susceptibility.
Bacterial Canker
Resistant or tolerant
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Unknown
Disease Explanations
Survived well in a severe bacterial canker site in South Carolina
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
This rootstock did not perform well in the 2001 NC-140 trial. It had small fruit size every year and a couple of trees died from unknown causes.
References
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