Rootstocks
Rootstock Details by Suckering : Little or none
Bailey
Other Names
Species
Prunus persica
Origin
Selected in Iowa about 1836
Vigor
Standard
Vigor Explanation
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
Normal
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
Yes
Rootknot Nematode
Susceptible
Lesion Nematode
Partly resistant
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Unknown
Phytophthora
Susceptible
Armillaria
Susceptible
Crown Gall
Unknown
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
A standard rootstock for more northern peach growing areas because of good cold tolerance. However, it is susceptible to root-knot nematode and offers no advantages over Nemaguard.
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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Cadaman
Other Names
Species
Prunus persica x Prunus davidiana
Origin
Introduced in France by INRA, but selected in Hungary
Vigor
Standard
Vigor Explanation
Similar to Nemaguard in NC-140 trials. In Europe, it is reported to start off very vigorous, then slows down after 4 or 5 years.
Waterlogging Tolerance
Good
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
Precocious
Fruit Ripening
Unknown
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
No
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Partly resistant
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Unknown
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Propagated by softwood or semi-hardwood cuttings
Summary Comments
Widely used in Europe because of its tolerance to calcareous soils. Has looked promising in NC-140 trials.
References
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Citation
Other Names
4-G-816
Species
Prunus salicina x Prunus persica
Origin
USA, Zaiger Genetics, patented in 1983
Vigor
Dwarfing
Vigor Explanation
Waterlogging Tolerance
Good
Waterlogging Explanation
Calcareous Soil Tolerance
Unknown
Compatibility with Peach and Nectarine
Poor
Compatibility with Plum
Good
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
Drought Tolerance
Unknown
Anchorage
Good
Precocity
Precocious
Fruit Ripening
Advanced
Flower Timing
Advanced
Flower Density
Heavy
Cold Hardiness
Unknown
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Partly resistant
Ring Nematode
Unknown
Nematode Explanations
Bacterial Canker
Susceptible
Phytophthora
Partly resistant
Armillaria
Susceptible
Crown Gall
Susceptible
Disease Explanations
Very susceptible to Crown Gall
Other Diseases
Availability from Nurseries
Propagation Methods
Hardwood cuttings
Summary Comments
This rootstock has performed very well with plums and apricots. With peaches, its performance has been variable. Many trees look great, but others have died or shown other signs of incompatability. About half the trees died in the 1984 NC-140 trial.
References
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Controller 5
Other Names
K146-43
Species
Prunus salicina x Prunus persica
Origin
USDA, cross by David Ramming, patented in 2004
Vigor
Dwarfing
Vigor Explanation
Waterlogging Tolerance
Poor
Waterlogging Explanation
Calcareous Soil Tolerance
Unknown
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Unknown
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
In a NC-140 rootstock trial in a calcareous soil in Utah, this rootstock has not survived well, but the surviving trees do not show iron chlorosis.
Drought Tolerance
Unknown
Anchorage
Good
Precocity
Precocious
Fruit Ripening
Advanced
Flower Timing
Normal
Flower Density
Heavy
Cold Hardiness
No
Rootknot Nematode
Susceptible
Lesion Nematode
Susceptible
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Susceptible
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Unknown
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
A dwarfing rootstock out of the California breeding program that survives well and is compatible with peach and nectarine with no root suckering. It can have smaller fruit size due to high crop loads (heavy flowering) and restricted water conductance (even under well irrigated conditions). It has performed poorly in root-knot, lesion and ring nematode tests (Nematode Table) and a bacterial canker field site (Bacterial Canker Report 2006).
References
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Controller 7
Other Names
HBOK 32
Species
Prunus persica
Origin
USDA, cross by Craig Ledbetter – Harrow Blood x Okinawa
Vigor
Semidwarf
Vigor Explanation
Waterlogging Tolerance
Waterlogging Explanation
Calcareous Soil Tolerance
Poor
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Suckering
Little or none
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
Ring Nematode
Nematode Explanations
Bacterial Canker
Phytophthora
Armillaria
Crown Gall
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
A semi-dwarfing rootstock from the UC rootstock breeding program. It has performed well in the first three years of the 2009 NC-140 peach rootstock trial.
References
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Controller 8
Other Names
HBOK 10
Species
Prunus persica
Origin
USDA, cross by Craig Ledbetter – Harrow Blood x Okinawa
Vigor
Semidwarf
Vigor Explanation
Waterlogging Tolerance
Waterlogging Explanation
Calcareous Soil Tolerance
Poor
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Suckering
Little or none
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
Partly resistant
Ring Nematode
Nematode Explanations
Bacterial Canker
Phytophthora
Armillaria
Crown Gall
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
A recent introduction from the UC rootstock breeding program. It has performed well in the first three years of the 2009 NC-140 peach rootstock trial.
References
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Controller 9
Other Names
P30-135
Species
Prunus salicina x Prunus persica
Origin
USDA, cross by David Ramming
Vigor
Semidwarf
Vigor Explanation
Only slightly less vigorous than Nemaguard. Makes a similar size tree, but with less water sprouts.
Waterlogging Tolerance
Unknown
Waterlogging Explanation
Calcareous Soil Tolerance
Unknown
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
Normal
Flower Timing
Normal
Flower Density
Normal
Cold Hardiness
No
Rootknot Nematode
Susceptible
Lesion Nematode
Partly resistant
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Susceptible
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Unknown
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
Slightly dwarfing rootstock from the California breeding program that is compatible with peach and nectarine with no suckering. Trees have been productive with good fruit size. Nematode tests (Nematode Table) show root-knot and ring suseptibilty, but better resistance to lesion nematode than Nemaguard. Performed poorly in bacterial canker field site (Bacterial Canker Report 2006).
References
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Empyrean 2
Other Names
Penta
Species
Prunus domestica
Origin
Rome, Italy
Vigor
Semidwarf
Vigor Explanation
Waterlogging Tolerance
Good
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
Reports from Italy state it to be compatible with plum and apricot
Drought Tolerance
Unknown
Anchorage
Good
Precocity
Precocious
Fruit Ripening
Normal
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
No
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Partly resistant
Ring Nematode
Susceptible
Nematode Explanations
In Europe it is reported to be partly resistant to ring nematode, but California studies (Nematode Table) have shown it to be very susceptible.
Bacterial Canker
Unknown
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Unknown
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Easily propagated by hardwood cuttings and by micropropagation
Summary Comments
This rootstock has looked promising in NC-140 trials. It has survived well and been productive. However, it is a smaller tree than reported from Italy and it appears to be very susceptible to ring nematode, so it could be highly susecptible to bacterial canker as well.
References
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Guardian
Other Names
BY520-9
Species
Prunus persica
Origin
USDA, released in 1993
Vigor
Standard
Vigor Explanation
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
Normal
Flower Timing
Normal
Flower Density
Normal
Cold Hardiness
No
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Partly resistant
Ring Nematode
Partly resistant
Nematode Explanations
Has root-knot nematode resistance, but slightly less than Nemaguard. Has greater resistance to ring nematode than Nemaguard and is thus less susceptible to bacterial canker.
Bacterial Canker
Resistant or tolerant
Phytophthora
Unknown
Armillaria
Susceptible
Crown Gall
Unknown
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Seed propagated
Summary Comments
Similar to Nemaguard in many ways but is substantially less susceptible to bacterial canker and Peach Tree Short Life, and is thus widely planted in southeastern USA.
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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Ishtara
Other Names
Ferciana
Species
(P. cerasifera x P. salicina) x (P.cersifera x P. persica)
Origin
France
Vigor
Semidwarf
Vigor Explanation
Waterlogging Tolerance
Waterlogging Explanation
Calcareous Soil Tolerance
Good
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Good
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
In Italy, it is reported to maintain good fruit size, even when grown in calcareous soils
Drought Tolerance
Anchorage
Precocity
Fruit Ripening
Flower Timing
Flower Density
Cold Hardiness
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Partly resistant
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Susceptible
Phytophthora
Armillaria
Susceptible
Crown Gall
Disease Explanations
In the 1994 NC-140 rootstock trial (California did not participate), Ishtara was reported to be very susceptible to bacterial canker and Armillaria.
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
References
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Krymsk 1
Other Names
VVA 1
Species
Prunus tomentosa x Prunus cerasifera
Origin
Russia
Vigor
Dwarfing
Vigor Explanation
Generally about 50% Nemaguard
Waterlogging Tolerance
Good
Waterlogging Explanation
Calcareous Soil Tolerance
Good
Compatibility with Peach and Nectarine
Poor
Compatibility with Plum
Good
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
In the NC-140 trials Redhaven has been used as the scion variety. Compatability has always been good in these trials. However, many other California varieties have been grafted on Krymsk 1 and many of these show signs of poor compatability. A report from Spain also indicated compatability problems with some varieties.
Drought Tolerance
Unknown
Anchorage
Good
Precocity
Unknown
Fruit Ripening
Unknown
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
Yes
Rootknot Nematode
Susceptible
Lesion Nematode
Resistant or tolerant
Ring Nematode
Susceptible
Nematode Explanations
California tests (Nematode Table) show susceptibility to root-knot but some resistance to lesion nematode.
Bacterial Canker
Susceptible
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Susceptible
Disease Explanations
Did not survive well in a bacterial canker hot spot in South Carolina
Other Diseases
Availability from Nurseries
Propagation Methods
Hardwood cuttings
Summary Comments
In the NC-140 trials, with Redhaven as the scion variety, Krymsk 1 has been very impressive - healthy looking dwarf trees with little suckering, good production and large fruit size. However, many other California varieties have been grafted on this rootstock and most produce weak trees with rolled leaves and poor graft unions.
References
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KV 010-123
Other Names
Species
Prunus persica (peach)
Origin
Introduced by USDA scientist Ralph Scorza
Vigor
Standard
Vigor Explanation
Waterlogging Tolerance
Waterlogging Explanation
Calcareous Soil Tolerance
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
Drought Tolerance
Anchorage
Precocity
Fruit Ripening
Flower Timing
Flower Density
Cold Hardiness
Yes
Rootknot Nematode
Lesion Nematode
Ring Nematode
Nematode Explanations
Bacterial Canker
Phytophthora
Armillaria
Crown Gall
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Seed propagation, good germination
Summary Comments
A red leaf, cold hardy rootstock introduction from the USDA breeding program of Dr. Ralph Scorza. It is propagated by seed and has good germination. Little is known of its disease susceptibility. It has performed well in the first four years of the 2009 NC-140 rootstock trial.
References
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Lovell
Other Names
Species
Prunus persica
Origin
California, selected about 1882
Vigor
Standard
Vigor Explanation
Waterlogging Tolerance
Fair
Waterlogging Explanation
Calcareous Soil Tolerance
Poor
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Good
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
Drought Tolerance
Unknown
Anchorage
Good
Precocity
Precocious
Fruit Ripening
Normal
Flower Timing
Normal
Flower Density
Normal
Cold Hardiness
No
Rootknot Nematode
Susceptible
Lesion Nematode
Partly resistant
Ring Nematode
Partly resistant
Nematode Explanations
Bacterial Canker
Resistant or tolerant
Phytophthora
Susceptible
Armillaria
Susceptible
Crown Gall
Susceptible
Disease Explanations
One of the better rootstocks in terms of resistance to bacterial canker.
Other Diseases
Availability from Nurseries
Propagation Methods
Seed propagated
Summary Comments
Has been a standard peach rootstock for many years, but now is not widely used in California because of root-knot nematode susceptibility.
References
|
Nemaguard
Other Names
FV 234-1
Species
Prunus persica (originally thought to also have Prunus davidiana, but molecular studies indicate it is primarily P. persica)
Origin
USDA in 1959
Vigor
Standard
Vigor Explanation
Waterlogging Tolerance
Fair
Waterlogging Explanation
Calcareous Soil Tolerance
Poor
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Good
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
Drought Tolerance
Unknown
Anchorage
Good
Precocity
Precocious
Fruit Ripening
Normal
Flower Timing
Normal
Flower Density
Normal
Cold Hardiness
No
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Partly resistant
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Susceptible
Phytophthora
Partly resistant
Armillaria
Susceptible
Crown Gall
Partly resistant
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Seed propagated
Summary Comments
Main rootstock used in California because it is resistant to root-knot nematode and is compatible with peach, nectarine and plum. It makes a vigorous, productive tree with good fruit size. However, it does not tolerate waterlogged or calcareous soils and is susceptible to many soil pests including ring nematode, bacterial canker and armillaria.
References
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Nemared
Other Names
Species
Prunus persica
Origin
USDA, released in 1983
Vigor
Standard
Vigor Explanation
Waterlogging Tolerance
Poor
Waterlogging Explanation
Calcareous Soil Tolerance
Poor
Compatibility with Peach and Nectarine
Good
Compatibility with Plum
Good
Suckering
Little or none
Explanations for calcareous soil tolerance - compatiblities - suckering
Drought Tolerance
Unknown
Anchorage
Good
Precocity
Precocious
Fruit Ripening
Normal
Flower Timing
Normal
Flower Density
Normal
Cold Hardiness
No
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Susceptible
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Susceptible
Phytophthora
Partly resistant
Armillaria
Susceptible
Crown Gall
Partly resistant
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Seed propagated
Summary Comments
Very similar to Nemaguard in most ways, except it has red leaves.
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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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
|
Siberian C
Other Names
Species
Prunus persica
Origin
Ontario Canada in 1967
Vigor
Standard
Vigor Explanation
Same vigor as Nemaguard in 1984 NC-140 trial
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
Unknown
Anchorage
Good
Precocity
Precocious
Fruit Ripening
Normal
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
Yes
Rootknot Nematode
Susceptible
Lesion Nematode
Susceptible
Ring Nematode
Susceptible
Nematode Explanations
Bacterial Canker
Susceptible
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Susceptible
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Summary Comments
Selected in Canada for cold hardiness, but susceptible to nematodes and soil diseases.
References
|
Viking
Other Names
Species
Complex Prunus hybrid that is reported to be 1/2 peach, 1/4 almond, 1/8 plum and 1/8 apricot
Origin
USA from Zaiger Genetics
Vigor
Standard
Vigor Explanation
Reported to be very vigorous, but California studies have shown it to be equal to Nemaguard.
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
Precocious
Fruit Ripening
Unknown
Flower Timing
Unknown
Flower Density
Unknown
Cold Hardiness
No
Rootknot Nematode
Resistant or tolerant
Lesion Nematode
Partly resistant
Ring Nematode
Partly resistant
Nematode Explanations
Bacterial Canker
Resistant or tolerant
Phytophthora
Unknown
Armillaria
Unknown
Crown Gall
Unknown
Disease Explanations
Other Diseases
Availability from Nurseries
Propagation Methods
Hardwood cuttings
Summary Comments
A vigorous rootstock compatible with peach and nectarine that is one of the most resistant rootstocks to bacterial canker (Bacterial Canker Report 2006), even though it is not completely resistant to ring nematode. It is resistant to root-knot and partially resistant to lesion nematode (Nematode Table), similar to Nemaguard.
References
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