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EMLA 27
Origin
EMLA 27 was bred from a cross made in the spring of 1929, using Malling
13 (M. 13) as a seed parent and EMLA 9 as the pollen parent.
Influence on Scion Habit
Scion varieties grown on EMLA 27 grow into small, compact, precocious
trees, approximately half the size of trees on EMLA 9. Trees on EMLA 27
rarely sucker.
Disease Resistance
Although not highly resistant to apple mildew, it is less susceptible
than EMLA 9 and EMLA106.
Nursery Habit
In the layer bed EMLA 27 is a good grower producing few lateral
branches. When lined-out for budding, there are very few rootstock
laterals or suckers to remove. EMLA 27 is sensitive to Simazine in the
nursery. Under our controlled conditions, EMLA 27 produces a high
quality plant similar to that of EMLA 9 and EMLA 26.
Horticultural Value
Varieties on EMLA 27 are appreciably more dwarfed than those on EMLA 9.
Therefore this rootstock is suitable for commercial use in regions of
very vigorous growth, or where very vigorous scions are being used.
Trees yield heavy crops the second year after planting as maidens;
intensive ‘bed systems’ are showing promise at the research level and in
large scale commercial trials.
Fruit is
of good quality. Trees on EMLA 27 are of great potential value for the
amateur and home gardener, who need compact, precocious trees for small
gardens or for pot culture. Trees on EMLA 27 need little pruning after
the first five years, except for occasional shortening back of compound
spurs.

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