Manual of Rootstocks

Rootstock comparison table

Rootstock JM-1
Summary JM-1 rootstock shows resistance to some viruses and has similar precocity to M.9EMLA.
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Using


JM-1
Species compatibility Apple
Vigour % of standard 25% - 30%
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Growing


JM-1
Rootstock size class Dwarf
Precocity Precocious
Support required Permanent support
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Climate


JM-1
Cold-hardiness Cold-hardy
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Identification


JM-1
Country of origin Japan
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Problems


JM-1
Woolly aphid Very resistant
Collar rot Some resistance
Crown rot Some resistance
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