Volume 50 Number 2 Article 21
Year 1996 Month 4
Title: Influence of Eight Rootstocks on the Performance of ´White Riesling` and ´Cabernet Franc` Over Five Years
Authors: D.C. Ferree, G.A. Cahoon, M.A. Ellis, D.M. Scurlock and G.R. Johns
Abstract:
'White Riesling' clone Niederhausen 378 and
'Cabernet Franc' were established in 1986 on
the following eight rootstocks at Kingsville, OH
near Lake Erie: own rooted, 3309C, 101-14 Mgt.,
5C, 1616E, SO4, 18-815C and 5BB. 'Cabernet
Franc' on its own roots had a lower cumulative
yield and cluster number than on any other
rootstock.
Own rooted 'Riesling' also had low
yields along with 'Riesling' on. 101-14 Mgt.,
1616E and 5BB. There was an interaction with
yield and cluster number due to the much
higher yields on 1616E and 5BB with 'Cabernet
Franc' compared to 'Riesling.' 'Riesling' on
3309C, 5C, SO4 18-815C and 5BB had three
times the cumulative pruning weight than own
rooted vines. 'Cabernet Franc' on SO4 had very
low cumulative pruning weights.
No interaction
between rootstock and cultivar occurred for
cluster and fruit quality data.
Own rooted vines
had small clusters with smaller and fewer berries.
Vines on SO4, 5C and 18-815C tended to
produce large clusters with more berries.
Soluble
solids in berries from 101-14 were higher than
from berries on 1616E and 5BB. Over five
years, juice pH from fruit on 3309C, 5C and
SO4 was higher than juice from 1616E. Rootstock
had no effect on total acidity. 'Cabernet
Franc' had higher pruning weights and yields
than 'Riesling, but did not survive the low
winter temperatures as well and had more
crown gall.
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