Manual of Rootstocks

Rootstock comparison table

Rootstock St. Julien A
Summary St. Julien A is compatible with all varieties of plums, peaches, nectarines and most apricots. Some say it is not a choice rootstock for apricots. Semi-dwarf rootstock for cold areas with fluctuating spring temperatures.
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Using


St. Julien A
Species compatibility Japanese plum
Mirabelle
European plum
Damson
Peach
Vigour % of standard 75%
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Growing


St. Julien A
Rootstock size class Semi-vigorous
Precocity Precocious
Support required Free-standing
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Climate


St. Julien A
Cold-hardiness Cold-hardy
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Identification


St. Julien A
Developer East Malling Research Station
Country of origin United Kingdom
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Problems


St. Julien A
Phytophthora Some resistance
Bacterial canker Some resistance
Root knot nematode Very susceptible
PTSL Very susceptible
Crown Gall Some resistance
Root suckers Some
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