MNUS 210 is a June-bearing or short-day strawberry variety
(Fragaria×ananassa) that is notable for its combination of traits
that include a late season of fruit ripening, large fruit size, resistance
to five Eastern North American races of Phytophthora fragariae Hickman,
the causal organism of red stele root rot, tolerance or resistance to
several other diseases, and moderate to high productivity in the
continental climate of Minnesota with warm summer maximum temperatures of
about 40°C, and cold winter minimum temperatures of about
-40°C
The accompanying photographs are typical specimens of the plants of the
variety and the fruit thereof as depicted in color. The plants and fruit
illustrated were grown at the University of Minnesota West Central
Experiment Station at Morris, Minn. in July 1995. References to color
relate to The Royal Horticultural Society Colour Chart, 1966 edition,
noted herein as R.H.S., except for color terms of ordinary dictionary
meaning which may occasionally be referred to.
FIG. 1 is a photograph of plants of the variety showing the fruit at
different stages of maturity.
FIG. 2 is a close-up view of fruits of the variety at different stages of
maturity. Following is a detailed description or specification of the
present variety.
MNUS 210 is a result of a cross between Earliglow×an unnamed seedling
designated MNUS 52, made in a controlled breeding program in St. Paul,
Minn. MNUS 210 was discovered and selected at Becker, Minn. in 1987. The
variety has been stable and uniform through propagation by stolons and by
in vitro micropropagation. Off-types, variants and mutations have not been
observed. It was propagated by stolons for later observation in trials at
the University of Minnesota Horticultural Research Center near Excelsior,
Minn. and the North Central Experiment Station at Grand Rapids, Minn. from
1988 to 1990 and at the USDA Beltsville Agricultural Research Center,
Beltsville, Md. in 1991.
MNUS 210 was evaluated in replicated yield trials from 1992 through 1995 at
the Horticultural Research Center, the North Central Experiment Station,
and the West Central Experiment Station at Morris, Minn. (Tables 1 through
8). At each site, plantings were established in 1991 and 1993 and
harvested for the two subsequent season. MNUS 210 and other common
cultivars of the midwestern United States and Eastern Canada were planted
in a randomized complete block design. Plants were spaced 0.45 m apart
within rows that were 1.2 m apart and 4 m long. The plants were permitted
to form a matted row that was approximately 0.4 m wide. At Grand Rapids, a
split plot design was employed on 7 m long plots which were split with
half of the plot being mulched for protection during the winter and the
other half receiving no mulch. All plots were irrigated, fertilized, and
sprayed with fungicide and insecticide as needed in accordance with
standard commercial recommendations.
Fruit: The fruit of MNUS 210 matures in the latter part of the fruiting
season for short day varieties. The fruit matures approximately at the
same time as fruit of the cultivars Lateglow, Blomidon and Bounty which
are commonly grown in Minnesota (Tables 1, 2, and 3). Compared to these
varieties the berries of MNUS 210 has been as large or larger (as measured
by average berry weight) in all trials (Tables 1, 2, and 3). Subjective
comparisons of the fruit characteristics of MNUS 210 with other adapted
varieties are presented in Tables 4, 5, and 6. The flavor is well balanced
between sugars and acids and is slightly aromatic. The flesh is firm and
the skin is medium to firm. Skin breakdown has been observed in very wet
harvest seasons. The berries are strongly glossy and have a scarlet
external color corresponding to, plates 45A and 46A of the R.H.S. Colour
Chart. The surface of the fruit is smooth to slightly uneven. The flesh is
orange red and pink at the center (corresponding to plates 33A and 33B of
the R.H.S. Colour Chart). The shape is blunt-wedge on primary berries to
blunt-conic on the secondary and tertiary berries. The berries are equal
in length and width to slightly longer than broad. The peduncle is medium
in length and prostrate by the time of the first harvest. The calyx is
large (equal in diameter to the fruit), showy, generally not inserted in a
basin, and partially reflexed, especially on primary berries. Sepals are
borne in two whorls with the inner whorl being broad elliptic with sharp
points, and the outer whorl being narrow lanceolate with rounded tips. The
achenes are yellow and level with or slightly raised from the surface of
the fruit.
Flowers: The inflorescence is usually below the level of the foliage when
the flowers are open. The flower size is medium to large. The diameter of
the calyx is larger than the diameter of the corolla. The diameter of the
inner calyx is similar to the diameter of the outer calyx. Flowers have
five petals, and these are generally free and only occasionally touching
or overlapping one another on secondary and lower order flowers in an
inflorescence. The color of the petal corresponds to plate 155C of the
R.H.S. Colour Chart.
Plants: Plants of MNUS 210 have large crowns with many petioles and usually
form a matted row of medium density. Stolons are thick and green proximal
to the mother plant and, distally, take on a medium to strong, red
anthocyanin coloration. Pubescence on the stolons is sparse to moderate in
density and is appressed.
Leaves: The leaves have long petioles giving the appearance of a tall,
upright to globose canopy. Pubescence on the petioles is thick and
spreading (divaricate). The leaves have three leaflets with weak
interveinal blisters and medium pubescence on the adaxial side of the
leaflets. Leaflets are equal in size, broadly elliptic, sparsely
pubescent, medium green on top, light green on the bottom with prominent
veins. The terminal leaflet is equal in length and width to slightly
longer in length, has a flat or cupped profile, an obtuse base, and single
teeth that are obtuse on younger leaves and rounded on older leaves.
Stipules are of medium length and pointed and tan to brown (if dry). The
color of the terminal leaflet corresponds to R.H.S. Colour Chart 147A on
the upper side and 147B on the lower side.
Fruiting: Results are presented in Tables 1, 2, and 3 from replicated
trials conducted at three University of Minnesota experiment station sites
in Minnesota: the Horticultural Research Center near Excelsior, the North
Central Experiment Station at Grand Rapids, and the West Central
Experiment Station at Morris. In all trials, MNUS 210 has consistently had
yields similar to or greater than the other late season varieties, Bounty,
Blomidon, and Lateglow (Table 1). MNUS 210 has been productive on soils of
heavy and light texture in matted row production systems. It has not been
trialled in hill systems.
Responses to diseases and stresses: Relative to other cultivars tested in
Minnesota, MNUS 210 has moderate to high resistance to the common foliar
diseases, powdery mildew (Sphaerotheca macularis Walls ex Fr.), leaf
scorch (Diplocarpon earliana Ell. and Ev.) and leaf spot (Mycosphaerella
fragariae Tul.) (Tables 7 and 8). MNUS 210 is resistant to five eastern
North American races of Phytophthora fragariae Hickman (Races A-1, A-2,
A-3, A-4 and A-6), the fungus that causes red stele root rot (Table 9). It
is also tolerant, relative to other cultivars tested, of black root
rot-causing organisms, Rhizoctonia spp. and Pythium spp. based on field
observations at the Horticultural Research Center, Excelsior, Minn. (Table
8). Plants of MNUS 210 have exhibited symptoms of winter injury in some
Minnesota trials but has been similar in response compared with other
adapted varieties (as indicated by plant stand and vigor ratings in Tables
1, 2 and 3 and subjective ratings in Table 8).
| TABLE 1 |
| ______________________________________ |
| Performance of strawberry cultivars at the Univ. of Minnesota North |
| Central Experiment Station, Grand Rapids, Minnesota |
| in 1992-1995.1 |
| Cultivar Mulched Unmulched Mulched Unmulched |
| ______________________________________ |
| Yield (1000 lb/A) |
| Berry weight (g) |
| 1992 1993 1992 1993 1992 1993 1992 1993 |
| ______________________________________ |
| MNUS 210 16.0 13.7 17.2 17.0 21.3 14.8 18.5 14.3 |
| Blomidon 7.7 7.4 5.1 8.5 13.1 10.1 12.5 9.1 |
| Bounty 16.4 13.9 13.8 20.5 14.8 11.9 12.1 10.8 |
| Lateglow 9.8 7.3 11.4 9.0 19.2 15.5 16.4 12.5 |
| Trumpeter |
| 16.4 14.3 12.8 13.0 13.0 11.0 13.1 10.8 |
| Northland |
| 16.8 19.9 14.3 20.1 14.3 11.6 13.7 10.5 |
| Cavendish |
| 15.6 14.8 10.6 17.2 18.9 14.1 16.8 9.6 |
| Glooscap 11.0 11.9 8.0 10.0 13.7 11.6 12.1 12.0 |
| Kent 21.4 18.5 19.0 17.9 15.7 13.1 14.2 11.8 |
| Honeoye 12.0 11.8 12.3 13.7 16.1 13.2 14.1 10.3 |
| Annapolis |
| 12.2 9.1 9.9 7.8 16.2 13.0 13.9 10.9 |
| Veestar 6.8 8.2 7.3 7.3 11.1 6.9 9.1 6.8 |
| LSD 5% 3.9 4.3 4.9 5.8 2.9 1.9 2.7 2.0 |
| ______________________________________ |
| 1994 1995 1994 1995 1994 1995 1994 1995 |
| ______________________________________ |
| MNUS 21U 9.0 5.5 7.9 7.8 13.9 12.1 10.2 11.9 |
| Blomidon 3.0 2.1 4.3 1.5 7.9 8.2 13.4 7.8 |
| Lateglow 4.4 3.9 4.7 3.9 14.5 9.3 12.3 9.1 |
| Cavendish |
| 5.4 5.6 5.9 6.3 14.7 9.2 15.3 12.4 |
| Glooscap 8.2 11.4 9.5 13.7 12.0 8.5 13.2 8.6 |
| Jewel 5.9 7.4 6.3 5.0 10.8 11.3 12.2 11.3 |
| Kent 5.4 5.8 6.1 7.0 11.4 8.9 15.1 8.7 |
| Honeoye 2.6 8.3 3.1 10.0 10.6 8.4 11.5 8.0 |
| Seneca 3.2 4.9 3.6 2.6 9.8 9.8 12.8 9.0 |
| Chambly 1.9 7.8 1.5 5.9 10.1 7.8 14.9 8.2 |
| Annapobs 5.0 8.7 4.8 8.5 13.7 10.7 12.9 9.0 |
| Veestar 6.2 9.2 6.7 7.9 8.6 6.2 9.6 7.0 |
| Earliglow |
| 2.2 2.7 2.0 3.4 9.5 6.2 11.0 6.9 |
| LSU 5% 2.3 3.1 3.4 4.4 1.7 1.9 2.0 2.3 |
| ______________________________________ |
| % Early harvest2 |
| Stand (%)3 |
| 1992 1993 1992 1993 1992 1993 1992 1993 |
| ______________________________________ |
| MNUS 210 4 16 16 41 97 71 99 96 |
| Blomidon 18 16 36 30 94 75 91 81 |
| Bounty 1 3 14 10 97 99 97 91 |
| Lateglow 7 9 30 38 94 89 94 93 |
| Trumpeter |
| 28 21 61 50 96 96 95 98 |
| Northland |
| 25 25 56 50 95 91 93 91 |
| Cavendish |
| 21 27 54 52 92 81 90 85 |
| Glooscap 28 27 57 50 86 79 84 88 |
| Kent 16 28 46 51 99 98 96 95 |
| Honeoye 22 36 54 49 93 90 94 76 |
| Annapolis |
| 57 56 79 76 97 94 97 93 |
| Veestar 58 41 74 59 89 74 92 99 |
| LSU 5% 11 12 17 16 10 26 17 23 |
| ______________________________________ |
| 1994 1995 1994 1995 1994 1995 1994 1995 |
| ______________________________________ |
| MNUS 210 3 9 13 16 90 93 100 80 |
| Blomidon 3 28 21 50 80 57 78 50 |
| Lateglow 15 13 75 25 80 88 75 80 |
| Cavendish |
| 36 31 50 40 74 60 80 80 |
| Glooscap 20 38 32 37 84 80 89 92 |
| Jewel 15 35 30 51 93 85 84 77 |
| Kent 31 39 48 46 86 65 61 48 |
| Honeoye 56 58 68 67 64 88 61 88 |
| Seneca 30 32 42 62 69 67 76 70 |
| Chambly 40 62 75 71 48 87 85 70 |
| Annapobs 57 61 84 76 85 90 85 90 |
| Veestar 75 70 78 80 88 93 90 95 |
| Earliglow |
| 49 53 49 70 74 85 49 85 |
| LSU 5% 14 16 14 13 20 26 22 29 |
| ______________________________________ |
| 1 Plantings established in 1991 and 1993 and harvested in the |
| subsequent two years. |
| 2 % Early harvest = % of total crop harvested from 7/02/92 to 7/13/9 |
| (full season 7/02/92 to 8/05/92); 7/02/93 to 7/12/93 (full season 7/02/93 |
| to 8/02/93); 6/23/94 to 7/1/94 (full season 6/23/94 to 7/22/94); and |
| 6/26/95 to 6/29/95 (full season 6/26/95 to 7/21/95). |
| 3 % Stand was evaluated during June of each year. |
| 4 Vigor was rated on a scale of 1 to 9 with 9 being very vigorous. |
| 5 Winter stand loss was the difference between % Stand in June and % |
| Stand in October of the previous year. |
| TABLE 2 |
| ______________________________________ |
| Performance of strawberry cultivars at the West Central Experiment |
| Station, Morris, Minnesota, in 1992-19951. |
| ______________________________________ |
| Yield Berry % Early |
| Cultivar (1000 lb/A) weight (g) harvest2 |
| ______________________________________ |
| 1992 1993 1992 1993 1992 1993 |
| MNUS 210 12.0 10.5 17.4 15.0 13 3 |
| Blomidon 9.9 7.9 11.1 12.6 3 4 |
| Bounty 6.1 4.7 11.8 8.5 2 5 |
| Lateglow 12.0 8.0 16.0 11.2 0 1 |
| Trumpeter |
| 7.6 9.2 13.4 9.5 5 15 |
| Cavendish |
| 9.0 9.1 12.6 15.9 31 19 |
| Glooscap 4.9 6.4 9.4 9.5 30 22 |
| Jewel 5.5 3.8 10.0 11.2 26 37 |
| Kent 10.5 11.7 12.4 13.9 26 27 |
| Honeoye 5.5 8.9 15.4 12.4 18 24 |
| Redcoat 12.9 9.3 9.5 10.7 26 31 |
| Annapolis |
| 6.8 4.7 10.0 10.4 49 46 |
| Veestar 3.3 3.7 6.4 8.2 61 65 |
| LSD 5% 3.7 3.0 3.5 1.5 12 10 |
| 1994 1995 1994 1995 1994 1995 |
| MNUS 210 5.6 6.3 9.6 8.2 0 18 |
| Blomidon 6.7 8.3 9.2 10.5 4 6 |
| Lateglow 6.1 4.6 7.4 8.5 0 18 |
| Cavendish |
| 19.6 15.4 12.5 13.7 18 17 |
| Glooscap 13.9 15.4 10.2 9.1 10 42 |
| Jewel 14.3 11.9 12.3 11.7 4 17 |
| Kent 17.0 11.7 10.0 9.4 23 29 |
| Honeoye 15.1 10.7 10.6 9.3 25 53 |
| Seneca 11.7 10.3 11.7 10.4 12 25 |
| Chambly 9.6 6.2 8.3 7.1 20 42 |
| Annapolis |
| 1 1.5 7.8 9.3 9.4 37 61 |
| Veestar 14.5 9.6 6.9 7.4 54 75 |
| Earliglow |
| 8.2 3.8 6.3 6.3 44 72 |
| LSD 5% 3.6 4.4 1.6 1.6 11 14 |
| ______________________________________ |
| Winter stand |
| Cultivar % Stand3 |
| Vigor4 loss (%)5 |
| ______________________________________ |
| 1992 1993 1992 1993 1992 1993 |
| MNUS 210 70 68 7.8 7.8 n.a. -5 |
| Blomidon 85 73 8.5 7.5 n.a. -10 |
| Bounty 83 80 8.8 7.2 n.a. -15 |
| Lateglow 88 85 8.5 8.2 n.a. -5 |
| Trumpeter |
| 88 83 8.5 8.2 n.a. -12 |
| Cavendish |
| 80 75 7.8 7.5 n.a. -5 |
| Glooscap 70 58 6.8 6.2 n.a. -15 |
| Jewel 75 63 8.0 7.2 n.a. -18 |
| Kent 78 70 8.8 6.8 n.a. 0 |
| Honeoye 88 83 8.8 8.8 n.a. -13 |
| Redcoat 88 93 8.8 7.5 n.a. -5 |
| Annapolis |
| 80 73 7.8 7.0 n.a. -8 |
| Veestar 80 73 7.5 7.5 n.a. -8 |
| LSD 5% 16 21 1.2 1.6 n.a. 12 |
| 1994 1995 1994 1995 1994 1995 |
| MNUS 210 93 25 7.5 6.0 -8 -18 |
| Blomidon 93 78 7.8 7.3 -8 -5 |
| Lateglow 88 63 7.0 6.8 -13 3 |
| Cavendish |
| 95 83 8.5 8.3 3 -3 |
| Glooscap 85 85 8.0 8.0 -5 5 |
| Jewel 98 73 9.0 8.3 0 0 |
| Kent 80 55 7.5 7.3 -8 -3 |
| Honeoye 88 70 7.8 7.8 0 3 |
| Seneca 80 63 8.3 8.0 -13 -5 |
| Chambly 80 48 7.3 6.3 -13 -8 |
| Annapolis |
| 83 65 8.0 7.5 -10 0 |
| Veestar 98 88 9.0 8.3 0 5 |
| Earliglow |
| 85 70 8.3 8.0 -15 0 |
| LSD 5% 13 23 1.3 2.1 12 8 |
| ______________________________________ |
| 1 Plantings established in 1991 and 1993 and harvested in the |
| subsequent two years. |
| 2 % Early harvest = % of total crop harvested from 06/15/92 to |
| 06/24/92 (full season 06/15/92 to 07/15/92); 06/21/93 to 06/28/93 (full |
| season 06/21/93 to 07/19/93); 06/08/94 to 06/15/94 (full season 06/08/94 |
| to 07/05/94); and 06/19/95 to 06/23/95 (full season 06/19/95 to 07/06/95) |
| 3 % Stand was evaluated during June of each year. |
| 4 Vigor was rated on a scale of 1 to 9 with 9 being very vigorous. |
| 5 Winter stand loss was the difference between % Stand in June and % |
| Stand in October of the previous year. |
| TABLE 3 |
| ______________________________________ |
| Performance of strawberry cultivars at the University of Minnesota |
| Horticultural Research Center, Excelsior, Minnesota in |
| 1992, 1994, and 1995.1 |
| ______________________________________ |
| Yield (1000 lb/A) |
| Berry weight (g) |
| Cultivar 1992 1994 1995 1992 1994 1995 |
| ______________________________________ |
| MNUS 210 5.8 11.7 14.7 17.5 14.0 13.2 |
| Blomdon 6.6 7.3 6.7 11.8 9.5 10.2 |
| Bounty 6.5 n.a. n.a. 10.0 n.a. n.a. |
| Lateglow 6.5 9.3 9.0 14.4 11.5 11.2 |
| Cavendish |
| 5.5 15.4 16.2 15.0 12.2 10.5 |
| Glooscap 4.6 13.1 14.0 10.6 10.0 7.3 |
| Jewel 5.2 12.7 12.1 12.9 12.8 10.8 |
| Kent 8.1 14.2 10.8 16.3 9.6 8.6 |
| Honeoye 12.9 10.4 9.5 14.1 9.1 7.5 |
| Seneca n.a. 10.7 9.8 n.a. 11.9 9.8 |
| Startyme n.a. 8.6 6.5 n.a. 12.0 11.8 |
| Chambly n.a. 8.5 13.2 n.a. 9.3 7.9 |
| Redcoat 8.7 n.a. n.a. 11.2 n.a. n.a. |
| Annapolis |
| 7.1 8.8 10.2 17.4 14.8 8.9 |
| Veestar 9.1 10.4 9.9 7.5 9.1 8.0 |
| Earliglow |
| n.a. 6.5 9.5 n.a. 9.7 9.1 |
| LSD 5% 3.3 3.5 2.7 3.1 1.3 1.1 |
| ______________________________________ |
| % Early harvest2 |
| Stand (%)3 |
| Cultivar 1992 1994 1995 1992 1994 1995 |
| ______________________________________ |
| MNUS 210 52 4 22 68 68 83 |
| Blomdon 37 15 22 68 60 68 |
| Bounty 18 n.a. n.a. 75 n.a. n.a. |
| Lateglow 35 3 0 75 70 83 |
| Cavendish |
| 52 27 20 63 55 75 |
| Glooscap 60 15 34 58 70 85 |
| Jewel 79 26 25 58 68 73 |
| Kent 63 29 47 65 68 73 |
| Honeoye 64 51 67 83 65 65 |
| Seneca n.a. 32 47 n.a. 70 65 |
| Startyme n.a. 15 24 n.a. 60 70 |
| Chambly n.a. 36 55 n.a. 63 73 |
| Redcoat 71 n.a. n.a. 75 n.a. n.a. |
| Annapolis |
| 94 57 49 80 65 73 |
| Veestar 58 61 69 78 80 90 |
| Earliglow |
| n.a. 66 55 n.a. 65 78 |
| LSD 5% 22 14 12 18 18 11 |
| ______________________________________ |
| Vigor4 |
| Cultivar 1992 1994 1995 |
| ______________________________________ |
| MNUS 210 7.5 7.0 8.0 |
| Blomdon 7.3 6.3 6.8 |
| Bounty 7.8 n.a. n.a. |
| Lateglow 7.8 7.0 8.0 |
| Cavendish |
| 7.0 7.0 8.0 |
| Glooscap 8.5 7.3 7.3 |
| Jewel 6.8 8.0 8.0 |
| Kent 8.0 6.3 7.0 |
| Honeoye 8.3 6.5 5.8 |
| Seneca n.a. 6.8 7.3 |
| Startyme n.a. 7.0 7.5 |
| Chambly n.a. 7.3 7.5 |
| Redcoat 8.0 n.a. n.a. |
| Annapolis |
| 8.0 6.8 7.3 |
| Veestar 7.0 7.3 8.3 |
| Earliglow |
| n.a. 7.5 8.8 |
| LSD 5% 1.1 1.1 1.0 |
| ______________________________________ |
| 1 Plantings established in 1991 and 1993 and harvested in the |
| subsequent one or two years, respectively. |
| 2 % Early harvest = % of total crop harvested from 6/11/92 to 6/16/9 |
| (full season 6/11/92 to 7/02/92); 6/14/94 to 6/17/1/94 (full season |
| 6/14/94 to 7/05/94); and 6/16/95 to 6/23/95 (full season 6/16/95 to |
| 7/06/95). |
| 3 % Stand was evaluated during June of each year. |
| 4 Vigor was rated on a scale of 1 to 9 with 9 being very vigorous. |
| TABLE 4 |
| ______________________________________ |
| Fruit quality ratings of strawberry cultivars at the North Central |
| Experiment Station, Grand Rapids, Minnesota in trials from |
| 1992-1995.1 |
| ______________________________________ |
| Cultivar Appearance2 |
| Skin color2 |
| Flesh color2 |
| ______________________________________ |
| 1992 1993 1992 1993 1992 1993 |
| MNUS 210 7.5 7.7 7.0 7.7 8.0 7.7 |
| Blomidon 7.5 7.3 8.0 7.3 8.5 7.8 |
| Bounty 7.0 8.0 6.5 8.2 8.0 6.2 |
| Lateglow 8.0 7.7 7.5 7.5 7.0 8.0 |
| Northland |
| 7.0 7.7 7.0 7.7 8.0 8.3 |
| Trumpeter |
| 7.5 7.7 8.0 8.0 8.5 8.3 |
| Cavendish |
| 7.5 7.7 8.0 8.0 8.0 7.8 |
| Glooscap 8.0 8.3 8.5 8.5 8.5 8.3 |
| Kent 8.0 8.0 8.0 8.2 8.0 8.0 |
| Honeoye 7.0 7.7 7.0 8.0 7.5 8.0 |
| Annapolis |
| 7.5 7.8 8.0 8.0 8.0 7.7 |
| Veestar 6.5 5.3 7.5 6.3 8.0 8.0 |
| 1994 1995 1994 1995 1994 1995 |
| MNUS 210 6.5 7.0 7.0 7.0 7.0 7.0 |
| Blomidon 7.5 5.5 8.5 6.5 8.0 8.0 |
| Lateglow 8.0 7.0 6.5 7.0 8.0 8.7 |
| Cavendish |
| 7.5 6.0 8.5 7.5 8.0 8.5 |
| Glooscap 8.0 7.8 8.0 8.0 8.5 8.5 |
| Jewel 8.0 7.3 8.0 7.7 8.0 7.7 |
| Kent 8.0 6.7 8.0 7.3 8.0 6.3 |
| Honooye 8.0 7.5 8.0 8.0 8.0 8.0 |
| Seneca 6.0 7.0 7.5 7.5 8.0 7.5 |
| Chambly 8.0 6.5 8.0 7.0 8.0 7.5 |
| Annapolis |
| 7.0 6.5 6.0 6.5 7.0 7.5 |
| Veestar 6.5 6.0 6.5 7.8 7.5 7.3 |
| Earliglow |
| 7.0 7.0 8.0 7.0 8.0 8.0 |
| ______________________________________ |
| Overall |
| Cultivar Firmness2 |
| Flavor2 |
| fruit quality3 |
| ______________________________________ |
| 1992 1993 1992 1993 1992 1993 |
| MNUS 210 8.0 7.7 7.5 7.3 7.5 7.5 |
| Blomidon 8.0 6.3 6.5 6.3 6.5 6.5 |
| Bounty 6.0 6.2 7.0 6.7 6.5 7.5 |
| Lateglow 8.0 7.5 7.5 7.5 8.0 7.7 |
| Northland |
| 5.0 5.3 6.5 6.3 7.0 6.7 |
| Trumpeter |
| 6.0 5.3 7.0 5.7 7.0 6.3 |
| Cavendish |
| 7.0 7.5 7.5 7.0 8.0 8.0 |
| Glooscap 7.0 6.8 7.0 7.5 7.5 7.7 |
| Kent 6.5 7.2 7.0 6.7 8.0 8.2 |
| Honeoye 6.5 6.7 6.5 6.0 7.0 6.8 |
| Annapolis |
| 7.0 7.5 7.5 7.0 7.5 6.2 |
| Veestar 6.0 5.7 6.5 5.7 6.0 5.3 |
| 1994 1995 1994 1995 1994 1995 |
| MNUS 210 7.0 7.5 6.0 7.5 -- 8.0 |
| Blomidon 7.0 8.0 5.0 6.5 -- 5.5 |
| Lateglow 7.0 7.0 7.0 7.0 8.0 7.0 |
| Cavendish |
| 7.5 6.3 7.5 8.0 8.0 7.0 |
| Glooscap 7.0 7.0 6.5 7.5 8.0 8.0 |
| Jewel 7.0 7.0 7.5 7.0 7.5 6.7 |
| Kent 6.5 6.7 6.0 6.7 7.5 6.7 |
| Honooye 6.5 6.7 7.0 6.8 7.0 7.0 |
| Seneca 7.5 8.0 6.5 6.5 6.5 6.5 |
| Chambly 7.0 7.0 6.5 5.5 6.5 6.0 |
| Annapolis |
| 7.0 6.5 7.0 7.0 7.0 6.5 |
| Veestar 5.5 6.0 6.0 6.0 6.0 6.0 |
| Earliglow |
| 7.0 7.5 7.5 6.5 7.0 6.5 |
| ______________________________________ |
| 1 Plantings were established in 1991 and 1993 and evaluated for the |
| subsequent two years. |
| 2 Appearance, Skin color, FIesh color, Firmness, and Flavor are rate |
| on a scale of 1 to 9 with 9 being excellent or very pleasing in |
| appearance, color, or flavor, and very firm flesh in response to thumb |
| pressure. |
| 3 Overall fruit quality is rated on a scale of 1 to 9 with 9 being |
| best or most desirable. |
| TABLE 5 |
| ______________________________________ |
| Fruit quality ratings of strawberry cultivars at the West Central |
| Experiment Station, Morris, Minnesota in 1992-1995.1 |
| ______________________________________ |
| Cultivar Appearance2 |
| Firmness2 |
| Skin toughness2 |
| ______________________________________ |
| 1992 1993 1992 1993 1992 1993 |
| MNUS 210 8.0 8.0 9.0 8.0 7.0 8.0 |
| Blomidon 8.0 9.0 7.0 8.0 7.0 8.0 |
| Bounty 7.0 7.0 6.0 7.0 7.0 7.0 |
| Lateglow 8.0 8.0 8.0 7.0 6.0 7.0 |
| Trumpeter |
| 6.0 7.0 6.0 6.0 5.0 5.0 |
| Cavendish |
| 6.0 7.0 8.0 8.0 6.0 6.0 |
| Glooscap 8.0 8.0 7.0 7.0 7.0 6.0 |
| Jewel -- 7.0 -- 7.0 -- 8.0 |
| Kent 7.0 8.0 7.0 7.0 6.0 7.0 |
| Honeoye 7.0 8.0 7.0 7.0 8.0 6.0 |
| Redcoat 6.0 7.0 6.0 6.0 7.0 6.0 |
| Annapolis |
| 8.0 7.0 8.0 8.0 8.0 7.0 |
| Veestar 7.0 7.0 6.0 6.0 7.0 6.0 |
| 1994 1995 1994 1995 1994 1995 |
| MNUS 210 7.0 7.5 8.0 8.0 8.0 8.0 |
| Blomidon 7.5 8.0 8.0 7.5 8.0 7.0 |
| Lateglow 7.0 7.0 6.0 7.0 6.0 7.5 |
| Cavendish |
| 7.5 6.5 7.0 7.5 7.0 7.5 |
| Glooscap 7.5 6.0 7.0 7.0 6.0 7.0 |
| Jewel 8.0 8.0 7.0 8.0 7.0 8.0 |
| Kent 7.5 7.0 7.0 7.0 6.0 7.0 |
| Honeoye 6.5 6.0 6.0 7.0 6.0 6.0 |
| Seneca 8.0 8.0 8.0 8.0 7.0 7.0 |
| Chambly 7.0 6.0 7.0 7.0 7.0 8.0 |
| Annapolis |
| 8.0 7.0 7.0 8.0 7.0 7.0 |
| Veestar 6.5 5.0 6.0 5.0 5.0 5.0 |
| Earliglow |
| 6.5 7.0 7.0 7.5 6.0 7.0 |
| ______________________________________ |
| Overall fruit |
| Cultivar |
| Flavor2 |
| quality3 |
| ______________________________________ |
| 1992 1993 1992 1993 |
| MNUS 210 |
| 7.0 8.0 3.5 4.0 |
| Blomidon |
| 7.0 7.0 3.0 4.0 |
| Bounty 8.0 7.0 2.5 2.5 |
| Lateglow |
| 7.0 7.5 3.0 3.5 |
| Trumpeter |
| 7.0 6.0 2.0 2.0 |
| Cavendish |
| 7.0 7.0 3.0 2.0 |
| Glooscap |
| 7.0 7.0 2.5 2.5 |
| Jewel -- 8.0 -- 3.0 |
| Kent 6.0 6.0 2.0 3.5 |
| Honeoye 6.0 6.0 2.5 3.0 |
| Redcoat 7.0 6.0 2.0 2.5 |
| Annapolis |
| 7.0 7.5 3.0 3.5 |
| Veestar 7.0 7.0 2.0 2.0 |
| 1994 1995 1994 1995 |
| MNUS 210 |
| 7.0 8.0 2.5 3 5 |
| Blomidon |
| 7.5 7.0 3.5 3.0 |
| Lateglaw |
| 7.0 7.0 2.5 2.5 |
| Cavendish |
| 7.5 7.0 3.5 3.0 |
| Glooscap |
| 7.0 7.0 3.0 2.5 |
| Jewel 6.5 7.5 3.0 3.5 |
| Kent 7.0 7.5 3.0 2.5 |
| Honeoye 7.0 7.0 2.0 2.0 |
| Seneca 7.5 7.0 3.5 3.5 |
| Chambly 6.0 6.5 2.5 2.5 |
| Annapolis |
| 7.0 7.5 3.5 3.0 |
| Veestar 7.0 8.0 2.0 2.0 |
| Earliglow |
| 6.0 8.0 2.0 3.0 |
| ______________________________________ |
| 1 Plantings established in 1991 and 1993 and evaluated in the |
| subsequent two years. |
| 2 Appearance, Firmness, Skin toughness, and Flavor are rated on a |
| scale of 1 to 9 with 9 being excellent or very pleasing in appearance or |
| flavor, and very firm flesh or tough skin in response to thumb pressure. |
| 3 Overall fruit quality is rated on a scale of 1 to 5 with 5 being |
| best or most desirable. |
| TABLE 6 |
| ______________________________________ |
| Fruit quality ratings of strawberry cultivers at the University of |
| Minnesota |
| Horticultural Research Center, Excelsior, Minnesota in 1992 and |
| 1994.1 |
| ______________________________________ |
| Appearance2 |
| Firmness2 |
| Skin toughness2 |
| Cultivar 1992 1994 1992 1994 1992 1994 |
| ______________________________________ |
| MNUS 210 7.0 8.0 8.0 8.0 8.0 8.0 |
| Blomidon 8.5 8.0 8.0 7.0 8.0 7.0 |
| Bounty 6.5 n.a. 8.0 n.a. 5.0 n.a. |
| Lateglow 7.5 6.0 7.0 8.0 8.0 7.0 |
| Cavendish |
| 7.5 8.0 8.0 7.0 6.0 7.0 |
| Chambly n.a. 7.0 n.a. 7.0 n.a. 7.0 |
| Glooscap 7.5 6.0 6.0 7.0 6.0 7.0 |
| Jewel 9.0 8.0 8.0 7.0 7.0 8.0 |
| Kent 8.5 8.0 8.0 7.0 7.0 6.0 |
| Honeoye 8.0 7.0 6.0 7.0 6.0 6.0 |
| Seneca n.a. 8.0 n.a. 8.0 n.a. 7.0 |
| Startyme n.a. 7.0 n.a. 8.0 n.a. 8.0 |
| Redcoat 8.0 n.a. 6.0 n.a. 6.0 n.a. |
| Annapolis |
| 9.0 8.0 8.0 7.0 7.0 8.0 |
| Veestar 8.5 7.0 4.0 6.0 5.0 6.0 |
| Earliglow |
| n.a. 8.0 n.a. 7.0 n.a. 7.0 |
| ______________________________________ |
| Overall fruit |
| Flavor2 |
| quality2 |
| Cultivar |
| 1992 1994 1992 1994 |
| ______________________________________ |
| MNUS 210 |
| 7.0 8.0 3.0 3.0 |
| Blomidon |
| 7.0 7.0 4.0 3.0 |
| Bounty 7.0 n.a. 2.0 n.a. |
| Lateglow |
| 8.0 7.0 4.0 2.5 |
| Cavendish |
| 8.0 7.0 4.0 3.0 |
| Chambly n.a. 7.0 n.a. 2.5 |
| Glooscap |
| 7.0 7.0 3.0 3.0 |
| Jewel 7.0 7.0 4.0 4.0 |
| Kent 7.0 7.0 4.0 3.0 |
| Honeoye 7.0 7.0 3.0 2.5 |
| Seneca n.a. 7.0 n.a. 3.0 |
| Startyme |
| n.a. 9.0 n.a. 3.5 |
| Redcoat 6.0 n.a. 2.0 n.a. |
| Annapolis |
| 7.0 7.0 4.0 3.5 |
| Veestar 7.0 7.0 1.0 2.0 |
| Earliglow |
| n.a. 8.0 n.a. 3.0 |
| ______________________________________ |
| 1 Plantings established in 1991 and 1993 were evaluated in 1992 and |
| 1994, respectively. |
| 2 Appearance, Firmness, Skin toughness, and Flavor are rated on a |
| scale of 1 to 9 with 9 being excellent or very pleasing in appearance or |
| flavor, and very firm flesh or tough skin in response to thumb pressure. |
| 3 Overall fruit quality is rated on a scale of 1 to 5 with 5 being |
| best or most desirable. |
| TABLE 7 |
| ______________________________________ |
| Disease responses of strawberry |
| cultivars at the University of Minnesota |
| North Central Experiment Station, Grand |
| Rapids, Minnesota in 1992 and 1993.1,2 |
| Cultivar Leat spot Powdery mildew |
| ______________________________________ |
| 1992 1993 1992 1993 |
| MNUS 210 7.0 7.2 7.5 7.2 |
| Blomidon 7.0 7.2 7.5 6.7 |
| Bounty 6.5 6.2 7.2 7.2 |
| Lateglow 4.5 4.7 5.2 4.5 |
| Northland 6.2 6.5 4.7 4.7 |
| Trumpeter 7.2 7.0 4.7 4.7 |
| Cavendish 7.0 7.0 5.5 5.7 |
| Glooscap 7.0 7.5 7.0 6.2 |
| Kent 5.5 6.0 8.0 7.2 |
| Honeoye 6.2 6.7 6.2 6.0 |
| Annapolis 7.0 7.2 5.7 5.7 |
| Veestar 7.2 7.0 5.5 5.5 |
| LSD 5% 1.1 0.9 0.7 0.8 |
| 1994 1995 1994 1995 |
| MNUS 210 7.8 7.0 7.5 7.7 |
| Blomidon 7.5 7.7 7.0 8.0 |
| Lateglow 5.3 3.7 5.3 4.7 |
| Cavendish 6.3 7.0 5.8 5.7 |
| Chambly 7.5 6.7 5.3 5.0 |
| Glooscap 7.8 5.0 5.5 7.0 |
| Jewel 6.8 6.7 7.8 7.7 |
| Kent 4.5 5.0 7.8 7.0 |
| Honeoye 6.3 5.7 6.5 6.3 |
| Seneca 7.0 5.7 7.8 7.7 |
| Annapolis 7.5 7.0 6.0 6.0 |
| Veestar 7.3 6.3 5.8 6.3 |
| Earliglow 7.5 7.3 5.8 5.7 |
| LSD 5% 0.9 1.2 0.8 0.7 |
| ______________________________________ |
| 1 Plantings established in 1991 and 1993 and observed for the |
| subsequent 2 years. |
| 2 Leaf spot and powdery mildew ratings are on a scale from 1 = very |
| severe infection to 9 = no infection. |
| TABLE 8 |
| ______________________________________ |
| Disease responses of strawberry cultivars at the University of |
| Minnesota Horticultural Research |
| Center, Excelsior, Minnesota, in 1994 and 1995.1,2 |
| Powdery |
| Winter injury Black root rot |
| Leaf scorch |
| mildew |
| Cultivar |
| 1994 1995 1994 1995 1995 |
| ______________________________________ |
| MNUS 210 |
| 6.5 7.5 8.0 7.3 7.0 |
| Blomidon |
| 7.3 5.5 8.0 7.5 8.0 |
| Lateglow |
| 7.3 7.5 7.0 6.3 6.0 |
| Cavendish |
| 7.0 7.5 8.0 8.5 7.3 |
| Glooscap |
| 7.8 7.0 8.0 7.8 7.0 |
| Jewel 6.5 6.8 8.0 7.3 7.5 |
| Kent 7.0 5.3 5.0 5.5 7.8 |
| Honeoye 7.0 4.3 7.0 5.8 8.0 |
| Seneca 6.8 5.8 8.0 6.5 8.0 |
| Startyme |
| 7.0 6.5 6.0 7.0 7.0 |
| Chambly 7.5 6.5 9.0 8.0 6.5 |
| Annapolis |
| 7.3 6.5 8.0 8.5 7.3 |
| Veestar 7.3 8.3 8.0 8.3 7.0 |
| Earliglow |
| 7.3 8.5 9.0 8.0 6.0 |
| LSD 5% 0.7 1.7 n.a. 0.8 0.7 |
| ______________________________________ |
| 1 Planting established in 1993. |
| 2 Winter injury, Black root rot, Leaf scorch, and Powdery mildew wer |
| rated on a scale from 1 = very severe infection or damage to 9 = no |
| infection or damage. |
| TABLE 9 |
| ______________________________________ |
| Responses of strawberry genotypes to red stele root rot screening with |
| mix if Pytophthora tragariae races A-1, A.2, A-3, A-4, and A-6 by root- |
| dip inoculation at Beltsville, Maryland, 1993-94.1 |
| Replicatian mean root scores2 |
| Genotype Range Mean |
| ______________________________________ |
| MNUS 210 8.0-8.5 8.2 |
| Yaquina B (resistant standard) |
| 8.0-8.5 8.2 |
| Del Norte (intermediate standard) |
| 8.0-8.5 8.2 |
| Blakemore (Susceptible standard) |
| 4.5-5.0 4.7 |
| ______________________________________ |
| 1 See G. J. Galleta, Strawbarry Cultivar and Selection Red Stele |
| Screernng at USDA Beltsville in 1993-94, 13 Advances in Strawberry |
| Research 40 (1994). |
| 2 Three replications with twoplant plots were scored for root injury |
| with 1-3 being very susceptible, 4-5 being susceptible, 8-7 being |
| tolerant, and 89 being resistant. Blakemore was significantly more |
| susceptible than the other varieties at P = 0.05 using Duncan's Multiple |
| Range Test for mean separation. |
Luby, James J., Wildung, David K., Galletta, Gene J.
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