Volume 25 Number 1 Article 3 Pages: 11-12
Year 1971 Month 1
Title: A Proven Apple Rootstock - EM VII
Author: R.F. Carlson
Citation
Abstract:
East Malling VII is one of the original
clones classified in England in
1912. Before that time it was known
as 'None-such', and found mixed with
'Doucin' imported by an English nursery
from France.
It was grown and
used in England fot several years before
it was designated as EM VII at
East Malling.
EM VII is well liked by nurserymen
because it is easy to reproduce in
propagation beds, and grows well as
lining-out budding stock.
It has a
fiberous spreading root system.
However,
tree anchorage, especially with
vigorous scion varieties, is not the
best.
Another disadvantage is its
tendancy to "sucker" below the graft
union.
The degree of suckering varies
with scion variety, soil condition and
culture.
Better tree anchorage and less suckering
can be had by growing vigorous
lining-out stock and budding 14 to
16" above ground.
Such trees, planted
12" deeper in the orchard, will stand
without support and be nearly free of
suckers.
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