Manual of Rootstocks

Rootstock comparison table

Rootstock SJM 150
Summary SJM 15 is the most susceptible of the ‘SJM’ series to Phytophthora cactorum and is the most precocious of rhe SJM series.
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Using


SJM 150
Species compatibility Apple
Vigour % of standard 30% - 40%
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Growing


SJM 150
Rootstock size class Dwarf
Precocity Precocious
Support required Permanent support
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Climate


SJM 150
Cold-hardiness Cold-hardy
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Identification


SJM 150
Country of origin Canada
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Problems


SJM 150
Woolly aphid Some resistance
Scab Some resistance
Collar rot Some susceptibility
Root suckers Few
Crown rot Some susceptibility
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