Semi-dwarfing
50% of a seedling tree
HP recommended
G.20
Geneva 20 · जी.20
About G.20
G.20 is a semi-dwarfing rootstock from the Geneva program with excellent disease resistance and cold hardiness. It produces trees slightly less vigorous than M.7 with good anchorage and high productivity.
Tree size
Semi-dwarfing — 50% of a seedling tree
DwarfSemiVigorous
Planting
Trees
607–809
trees per acre
Spacing (row × tree)4 m × 1.3 m
First cropin 2 years
Productive life18 years
Needs stakes or a trellis
Needs irrigation
Planting notes
Requires staking. Good choice for medium to high-density plantings with excellent disease tolerance.
Disease and pest resistance
Collar rot
Resistant
Woolly aphid
Resistant
Replant disease
Resistant
Fire blight
Resistant
Burr knot
Not known
Soil and site
AnchorageModerate
Soil depth needed45 cm
Soil pH6–7
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