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Around The Vineyard

So, in June 2015 and E0012-01 This selection
2016, a number of is from a population
crosses were made of La Crescent x Seyval
with this goal in mind. blanc. This selection
There were several has relatively large
outstanding examples berry size and large
among the seedlings clusters (169.83 g/l),
that began fruiting in and at harvest has
2018 and 2019. Here 24.2° Brix, 2.91 ph,
is one such selection 12.17 g total acidity. In
grown under fungicide-free conditions in 2019, with the past we have harvested on 9/24/18. This vine
ripe fruit on September 19. This young vine comes has a low incidence of powdery mildew, which may
from a cross made in 2016 and is precocious and be inherited from Seyval blanc (Ren3 resistance
productive. Time will tell if these will be worthy of allele). There is downy mildew on the leaves, which
release; we have yet to determine juice suitability is typical of its parent La Crescent. The clusters had
(though they do taste great!), winter hardiness, and no incidence of black rot, a common problem in
stability across years and sites. But several seed- the vineyard in 2019. The flavor and aroma profile
lings show promise. includes honey, lemon, kiwi, pear, and gooseberry.

NY06.0514.06 This GE9408-01 Descended
promising red wine from Vitis riparia,
grape selection, with ‘Carmine’, ‘Mandan’,
excellent powdery and and Landot noir 4511,
downy mildew resis- this selection is from
tance from the use of a cross of MN1094
Run1, Rpv1 and Ren2, x Seyval blanc. As
is already going out a descendant of
to trials with NE1720 ‘Seyval’, our marker
University coopera- tests indicated that it
tors and others. Though the cross was made prior also carries the Ren3resistance allele for powdery
to the start of the VitisGen projects, this selection mildew. This grape produced a small (68.6 g), com-
was tested for presence of resistance genes using pact cluster but is interesting for its appeal in the
VitisGen resources. The fruit have excellent resis- wine, specifically the low titratable acidity (7.1 g/l)
tance to bunch rot, and fruit and foliage have mod- and moderate soluble solids (24.5 °Brix). The wine
erate resistance to black rot. The buds are moder- was described as cherry, smoke, leather, berry, and
ately winter hardy, with expected temperature of with some tannin.
50% bud kill in mid-winter measured to be -15 °F.
Wine descriptors are as follows: fruity with notes of GE0733-01 This selec-
blackberry, plum, cherry; slightly herbaceous, with tion is a seedless
green pepper noted; good body and medium tan- table grape that is
nin; also, some have detected chocolate notes. highly aromatic and
has many tropical fla-
University of Minnesota vors. The parentage
Grape Breeding and Enology Program is unknown and will
Department of Horticultural Science require DNA testing to
St Paul, MN confirm the possible
parents. Most like-
Matthew Clark, Assistant Professor ly this selection is derived from Elmer Swenson’s
breeding line and does carry the proper alleles at

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