Rootstocks
Rootstock Details by Vigor : Very vigorous
Atlas
Other Names
Species
Prunus persica (Nemaguard) x (Prunus dulcis x Prunus blierianna)
Origin
Zaiger Genetics, patented in 1994
Vigor
Very vigorous
Vigor Explanation
Waterlogging Tolerance
Poor
Waterlogging Explanation
Calcareous Soil Tolerance
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Suckering
Explanations for calcareous soil tolerance - compatiblities - suckering
Drought Tolerance
Anchorage
Good
Precocity
Fruit Ripening
Flower Timing
Flower Density
Cold Hardiness
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Susceptible
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Phytophthora
Armillaria
Crown Gall
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
Being tested in the 2009 NC-140 rootstock trial. So far it has performed well.
References
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Bright's Hybrid 4 & 5
Other Names
BH 4, BH 5
Species
Prunus dulcis x Prunus persica
Origin
USA, Bright's Nursery
Vigor
Very vigorous
Vigor Explanation
Waterlogging Tolerance
Unknown
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
Drought Tolerance
Unknown
Anchorage
Good
Precocity
Unknown
Fruit Ripening
Unknown
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Resistant or tolerant
Ring Nematode
Partly resistant
Nematode Explanations
Performed well in California trials (Nematode Table).
Bacterial Canker
Unknown
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Unknown
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
More vigorous than Nemaguard, this rootstock has survived and produced well in the 2001 and 2009 NC-140 trials. It also has good resistance to nematodes.
References
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Halford
Other Names
Species
Prunus persica
Origin
California processing peach selected in about 1921
Vigor
Very vigorous
Vigor Explanation
Considered equal to Nemaguard in vigor, but was significantly more vigorous in the 1984 NC-140 trial.
Waterlogging Tolerance
Fair
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
Unknown
Anchorage
Good
Precocity
Precocious
Fruit Ripening
Unknown
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
No
Rootknot Nematode
Susceptible
Lesion Nematode
Partly resistant
Ring Nematode
Partly resistant
Nematode Explanations
Bacterial Canker
Unknown
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Unknown
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Seed propagated
Summary Comments
Very similar to Lovell but not currently used in California and shows no benefits over Nemaguard.
References
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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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