Plants – Rose – Climber
Plant Patent
1998-12-14
2001-08-28
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012067
ABSTRACT:
DESCRIPTION
This invention relates to a new and distinct short day, June bearing variety of strawberry plant named ‘Schwartze’. The variety is botanically identified as
Fragaria ananassa
Duch.
The variety was reproduced asexually by stolons or runners in observation plots at WSU Puyallup, Wash. The genealogy of ‘Schwartze’ is shown in FIG.
4
.
‘Schwartze’ was selected from a cross ‘Nanaimo’×ORUS 1076-124 made in 1993. ORUS 1076-124 is a full sib of ORUS
1076-126
released in 1997 as ‘Independence’. ‘Schwartze’, designated by the breeder as WSU 2310, was selected at WSU Puyallup in 1995.
‘Schwartze’ was propagated and planted in a replicated planting of 3 plots of 10 plants/clone at WSU Puyallup in 1996 and harvested for the first time in 1997 with other plantings. (Table 1) None of the cultivars listed herein is patented or is the subject of a pending application for patent, except ‘Puget Reliance’, U.S. Plant Pat. No. 9,310.
TABLE 1
1997 harvest of 1996 planted strawberries, Puyallup, WA
Fruit
Yield
Weight
Fruit
1
Clone
(t/a)
(g)
Rot (%)
WSU2306
15.2
A
19.1
A
36%
A-F
Schwartze
14.1
A
15.8
B
14%
G
WSU 2247
13.0
A B
14.8
B C
38%
A-E
WSU 2325
12.7
A-C
14.4
B-E
22%
F G
WSU 2263
12.5
A-D
11.4
E-H
39%
A-E
WSU 2315
10.3
B-E
11.8
C-H
22%
F G
WSU 2323
10.2
B-E
11.9
C-H
25%
E-G
NANAIMO**
10.2
14.2
29%
WSU 2299
9.9
B-F
13.3
B-F
28%
C-F
ORUS
9.8
13.1
51%
1267-236**
WSU 2288
9.5
C-F
16.2
B
30%
B-F
WSU 2300
9.5
C-F
15.3
B
27%
D-G
Redcrest
9.4
C-F
12.2
C-G
35%
A-F
WSU 2319
9.3
D-F
11.6
D-H
30%
B-F
WSU 2249
9.1
D-F
13.3
B-F
40%
A-D
WSU 2317
9.0
E F
14.7
B-D
33%
A-F
WSU 2318
8.9
D F
9.1
H
30%
B-F
Totem
8.5
E-F
12.1
C-H
43%
A B
Independence**
8.3
13.6
26%
WSU 2326
8.3
E-G
10.7
F-H
36%
A-E
Hood
7.6
E-G
10.6
F-H
37%
A-E
Sumas
7.5
E-G
11.6
D-H
45%
A
WSU 2324
6.5
F G
10.3
F-H
30%
B-F
WSU 2301
5.4
G H
10.4
F-H
37%
A-E
WSU 2309
5.4
G H
9.3
G H
42%
A-C
WSU 2321
3.2
H
10.0
G H
45%
A
Average
9.4
12.7
33%
Fruit
2
Midpoint
Firmness
of
Drip
Clone
(g)
Harvest
Loss (%)
z
WSU2306
175
F-H
6/16
C B
34.7%
A
Schwartze
202
B-G
6/22
A
34.7%
A
WSU 2247
207
A-F
6/13
E D
WSU 2325
185
E-H
6/8
G F
36.0%
A
WSU 2263
244
A
6/7
G
35.5%
A
WSU 2315
190
D-H
6/15
C D
34.3%
A
WSU 2323
209
A-F
6/14
C D
NANAIMO**
169
6/12
35.3%
WSU 2299
188
D-H
6/13
C D
34.2%
A
ORUS
168
6/15
33.8%
1267-236**
WSU 2288
228
A-C
6/13
WSU 2300
235
A B
6/18
B
Redcrest
228
A-C
6/16
C B
33.5%
A
WSU 2319
167
G H
6/15
C D
36.2%
A
WSU 2249
203
B-G
6/7
WSU 2317
178
F-H
6/12
36.0%
A
WSU 2318
225
A-D
6/16
C B
Totem
188
D-H
6/8
G F
34.0%
A
Independence**
213
6/18
31.6%
WSU 2326
163
H
6/14
34.9%
A
Hood
195
C-H
6/10
E F
36.8%
A
Sumas
176
F-H
6/10
G F
36.4%
A
WSU 2324
220
A-E
6/13
C D
WSU 2301
163
H
6/14
C D
WSU 2309
172
F-H
6/8
G F
WSU 2321
175
F-H
6/12
Average
195
6/13
34.9%
Values are means of three 10 foot plots, except clones indicated by ** which are means of two plots. Means within a column followed by the same letter are not significantly different using Duncan's Multiple Range Test, P = 0.05.
1
“Fruit rot” is the percent of rot at time of harvest by weight, mostly due to
botrytis cinera
.
2
Fruit firmness was measured as the force required for a 4-mm-diameter cylinder to penetrate the shoulder of a fruit to the depth of 6 mm. Firmness was measured using a Hunter Spring mechanical force gauge (series L; Ametek, Hatfield, Pa.) for five fruit per plot at each harvest. The weighted mean was calculated for the harvest season specified.
z
Drip loss measurements on sliced, sugared (4 + 1), frozen fruit.
In 1997, the plots of ‘Schwartze’ were vigorous and productive. The fruit was large, firm, easily capped and very late season. The fruit weight and the yield of ‘Schwartze’ were both significantly greater than that of any named cultivar in the planting. ‘Schwartze’ also had the lowest percentage of fruit rot. The midpoint of harvest was 4 days later than that of ‘Independence’ recently released partially because it produced fruit later in the season than other Pacific Northwest cultivars. A graph of the yield through the season for ‘Schwartze’, ‘Totem’, ‘Redcrest’ and ‘Independence’ is given in FIG.
5
. The plots were harvested for a second season in 1998. Several of the clones (including ‘Schwartze’) were used as parents in pollinations and as a result only two plots/clone were harvested for 10 clones. These clones were analyzed statistically separately from the clones represented by 3 plots. Yield of ‘Schwartze’ in 1998 was similar to 1997 (Table 2).
TABLE 2
1997-98 Harvest data for 1996 planted strawberries, Puyllaup, WA
Yield (t/a)
1998
1997
Total
Clones with
3 replications
ORUS 1267-236
17.7
A
9.8
A
27.5
A
WSU 2247
12.0
B C
13.0
A
25.0
A B
Totem
14.5
A B
8.5
A
23.0
A-C
Independence
12.8
B
8.3
A
21.2
A-C
WSU 2319
10.4
B-D
9.3
A
19.7
B-D
WSU 2249
10.5
B-D
9.1
A
19.5
B-D
WSU 2299
8.8
C D
9.9
A
18.4
B-D
WSU 2323
7.0
D
10.2
A
17.2
C D
WSU 2317
7.8
D
9.0
A
16.7
C D
Hood
6.4
D
7.6
A
14.1
D
Clones with
2 replications
WSU 2306
16.6
A
14.8
A
32.4
A
WSU 2325
15.4
A B
13.8
A
29.2
A B
16.1
A
12.7
A
28.7
A-C
Schwartze
13.9
A-C
13.8
A
27.7
A-D
WSU 2300
13.2
A-C
10.5
A
23.7
B-E
WSU 2288
10.6
A-C
10.6
A
21.2
B-E
WSU 2315
11.2
A-C
9.9
A
21.0
C-E
Redcrest
9.4
A-C
10.8
A
20.0
D E
Nanalmo
8.9
B C
10.2
A
19.1
E
Sumas
11.8
A-C
8.9
A
18.7
E
Average
11.7
10.5
22.2
Fruit
Fruit
Weight
Fruit
Firmness
(g)
Rot (%)
(g)
Clones with
3 replications
ORUS 1267-236
11.8
A B
37.3
A
163
B-D
WSU 2247
11.0
A-C
33.5
A B
195
A B
Totem
10.8
A-C
21.2
C D
191
A-C
Independence
8.7
C
20.8
C D
217
A
WSU 2319
10.7
A-C
27.4
A-C
153
D
WSU 2249
10.9
A-C
25.6
B C
174
B-D
WSU 2299
9.0
B C
13.6
D
184
A-D
WSU 2323
9.5
A-C
20.1
C D
196
A B
WSU 2317
12.4
A
27.5
A-C
177
B-D
Hood
9.9
A-C
24.3
B-D
155
C D
Clones with
2 replications
WSU 2306
14.3
A
21.1
A-C
197
B-D
WSU 2325
11.7
B C
13.6
C D
165
D
11.3
B C
24.6
A B
240
A B
Schwartze
7.3
E
7.5
D
158
D
WSU 2300
11.6
B C
26.4
A
201
B-D
WSU 2288
13.1
A B
16.7
B C
227
A-C
WSU 2315
9.0
D E
13.4
C D
192
C D
Redcrest
9.1
D E
19.2
A-C
264
A
Nanalmo
10.0
C D
19.8
A-C
167
D
Sumas
10.2
C D
24.5
A B
157
D
Average
10.6
21.9
189
Harvest Season
Length of
5% Harvest
50% Harvest
95% Harvest
Season
1 Clones with
3 replications
ORUS 1267-236
6/10
B
6/21
B
7/7
A
27
A B
WSU 2247
6/6
D-F
6/15
E F
7/1
B
25
A B
Totem
6/7
C-E
6/16
D E
7/1
B
24
A B
Independence
6/21
A
6/27
A
7/7
A
17
C
WSU 2319
6/4
F
6/13
E F
6/30
B C
26
A B
WSU 2249
6/5
E F
6/12
E F
6/26
C D
21
B C
WSU 2299
6/9
B-D
6/18
C D
7/1
B
22
A B
WSU 2323
6/9
B C
6/23
B
7/7
A
28
A
WSU 2317
6/3
F
6/11
F
6/25
D
22
A B
Hood
6/4
F
6/13
E F
6/30
B
26
A B
Clones with
2 replications
WSU 2306
6/14
B
6/25
C
7/12
A B
29
A
WSU 2325
6/2
D
6/12
F
6/26
D
26
A
6/3
D
6/13
F
7/1
C D
28
A
Schwartze
6/21
A
7/2
A
7/14
A
23
A B
WSU 2300
6/19
A
6/28
B
7/7
A-C
19
B
WSU 2288
6/10
C
6/22
D
7/4
C D
25
A B
WSU 2315
6/13
B
6/21
D
7/1
C D
18
B
Redcrest
6/8
C
6/18
E
7/4
C D
27
A
Nanalmo
6/8
C
6/16
E
7/6
B-D
28
A
Sumas
6/3
D
6/12
F
7/1
C D
28
A
Average
6/9
6/18
7/3
24
Values represent means of two or three replications of 10 foot plots.
Those represented by two replications were used in pollination in 1998
Means within a column followed by the same letter are not significantly different using Duncan's Multiple Range Test, P = 0.05
Some clones in the planting had greater yield than ‘Schwartze’, but were not statistically greater. Fruit weight of ‘Schwartze’ was much smaller in the second harvest season than in the first. ‘Schwartze’ had the smallest amount of fruit rot again in 1998. The midpoint of the harvest season for ‘Schwartze’ was five days later than the ‘Independence’. The fruit yield for each harvest in 1998 for ‘Schwartze’ compared to other cultivars is given in FIG.
6
. The fruit of ‘Schwartze’ has an excellent red exterior color and good internal color. At field days, growers found the fresh flavor excellent. Fruit flavor is best described as sweet with a full strawberry flavor.
The plant of ‘Schwartze’ is very vigorous and runners readily. It forms a uniform, vigorous, dense matted row. I
Baker Wendy C
Campell Bruce R.
Townsend and Townsend / and Crew LLP
Washington State University Research Foundation
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