Volume 40 Number 4 Article 8 Pages: 140-143
Year 1986 Month 10
Title: Field Performance of Malus Sargentiias a Rootstock for Four Commercial Apple Varieties
Authors: W.C. Olien, W.C. Stiles and R.C. McCrum
Sargent crab (Malus sargentii Rehd.), an apomictic crabapple, performed well as a rootstock
for four virus-free commercial varieties: 'McIntosh,' 'Cortland,' 'Delicious,' and 'Golden Delicious,' in a trial planted in 1970 and evaluated
over 13 years.
The trees were free-standing and
survival was 100% with no evidence of incompatibility.
A weakness noted was the production of
numerous root suckers.
The effect of Sargent
crab on fruit yield efficiency varied with variety.
'Delicious' on Sargent crab reached a size about
60S of similar trees on standard seedling rootstock
and yield efficiency was approximately
50$ greater on Sargent crab.
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