Volume 48 Number 3 Article 12
Year 1994 Month 7
Title: Performance of AL.800 as an Apple Rootstock and Interstem in Ohio
Authors: D.C. Ferree, D.D. Miller and M. Lynd
Abstract:
AL.800, a potential rootstock identified in a
commercial orchard, was propagated through
tissue culture and tested inseveralplantings as a
rootstock and interstem.
Melrose scions on
AL.800 were larger than on MARK. Cultivars
on AL.800 tended to begin bearing a year later
than on MARK, but cumulative yields after 6
years were similar.
After 9 years, trees of 'Starkspur
Supreme Delicious' on AL.800 were similar
in size to trees on seedling, P18, B.490. MAC.l,
M.4 and M.7EMLA. Of mis group, cultivars on
AL.800 tended to have the lowest cumulative
yield/tree and cumulative efficiency and did
not differ significantly from seedling.
Interstem
trees on AL.800 on several rootstocks tended to
be less precocious than those with B.9 interstems.
Due to the difficulty of propagation by mound
layering, lack of precocity and low yields and
yield efficiency, AL.800 is not recommended
for intensive orchards.
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