Research in the Klamath Basin
ALFALFA VARIETY TRIAL, 1996-1999
R.L. Dovel, J. Rainey, and B.A. Charlton1
A
bstract
A trial including 28 released and
experimental alfalfa varieties
was established at the Klamath Experiment Station (KES) in 1996. Varieties were
arranged in a randomized complete block
design with four replications. Individual
plots were 5 feet wide and 20 feet long
with 5-foot alleyways and borders. The
crop was sprinkler-irrigated with a solidset system to meet crop needs. Plants
were allowed to grow through the 1996
season without cutting. From 1997
through 1999, plants were harvested
under three-cutting management with
harvests scheduled when plants reached
early bud stage.
In 1998 and 1999, small but significant forage yield differences were observed in the third cutting. In 1999, significant differences in total yield for three
cuttings were found among varieties with
a range from 5.53 to 6.63 ton/acre. In all
other comparisons, forage yield differences between varieties were small and
non-significant. Mean total yields were
6.22, 7.39, and 6.07 ton/acre in 1997, 1998,
and 1999, respectively.
Forage quality, as measured by
crude protein, acid detergent fiber, neutral
detergent fiber, total digestible nutrients,
and relative feed value, was determined
from samples of the second cutting in
each year. No significant differences were
observed in any of the quality parameters
monitored in any year. Forage quality was
slightly better in 1997 and 1999, when
second-cutting yields were lower than in
1998. Stand persistence was acceptable for
all varieties over 4 years.
Introduction
Alfalfa accounts for over 47,000
acres within Klamath Irrigation Project
lands, and over 40,000 acres is produced
in Klamath County. Major markets include dairies, cattle ranches, and horse
farms in Oregon and California. Premium
quality hay suitable for dairy hay requires
timely cutting and good weed control.
Differences in forage quality between
varieties have been minor in the past.
Breeding programs are striving for
improved quality and are beginning to
market varieties reported to have superior
quality. However, in KES trials, significant
varietal differences in forage quality have
not been documented. Crop management
appears to have more effect on forage
quality than variety differences.
Few pest or disease problems affect
1
Former Associate Professor, Biological Sciences Research Technician III, and Faculty
Research Assistant, respectively, Klamath Experiment Station, Klamath Falls, OR.
Acknowledgments: Financial support from the following seed companies is gratefully recognized:
ABI Alfalfa; Allied Seed; Barenbrug, USA; Dairyland Seed; DeKalb Seed; Grasslands West; Great
Lakes Hybrids; Great Plains Research; Loshe Mill; Northrup King Co.; Pioneer Hi-Bred International; Seed Tec International; Union Seed Co.; and W-L Research.
58
58 Alfalfa Variety Trial 1999
1999 Annual Report
alfalfa crops in the Klamath Basin. Bacterial wilt and phytophthora root rot are the
main diseases of concern. Although verticillium wilt occurs in nearby regions, it
has not been identified as a problem in the
Klamath Basin. Alfalfa weevil is of minor
concern, locally.
Winter hardiness is important for
selecting a variety for the Klamath Basin.
Winter hardiness is closely linked with
fall dormancy ratings. However, less
dormant varieties have experienced
reasonable stand longevity in recent
years, perhaps because winters have been
relatively mild. Local variety trial data are
being used to develop empirical winter
hardiness and stand persistence measurements to supplement fall dormancy
ratings as a measure of variety hardiness.
Forage yield is influenced by a
complex interaction between the alfalfa
plant and its environment. Variety trials
conducted at KES provide producers
locally developed data on yield potential
and persistence of established and potential new alfalfa varieties. This report
summarizes findings from a variety trial
conducted at KES from 1996-99.
feet long with 5-foot alleyways and borders. Sprinkler irrigation was applied
with a solid-set system according to crop
needs.
Plants were allowed to grow
through the fall of 1996 without cutting.
Alfalfa was harvested in a three-cutting
management schedule in subsequent
years with harvest timing scheduled to
coincide with early bud stage. The crop
was harvested with a Carter self-propelled flail harvester with a 3-foot-wide
header. Random samples of about 1.0 lb
from each plot were oven dried to determine dry matter yield. Dried samples
from the second cutting in each year were
ground to 2-ml-sieve size in a Wiley Mill
and to 1-ml-sieve size in a Udy Mill before
being analyzed in a near infrared spectrophotometer (NIRS) to determine forage
quality.
Forage yield and quality data were
analyzed statistically using MSUSTAT
software. Multi-year data were analyzed
using a split-plot design with year as the
main plot and variety as the split-plot.
Least significant differences (LSD) are
based on student’s t at the 5 percent
probability level.
Procedures
A trial was established on a Poe
fine sandy loam soil at KES in August
1996 to evaluate 28 released and experimental alfalfa varieties. Varieties were
arranged in a randomized complete block
design with four replications. Fertilizer
was applied preplant according to recommendations based on analysis of soil
samples from the field. Seed was drilled
to a depth of ¼ inch at a rate of 20 lb/acre
using a modified Kincaid planter.
Individual plots were 5 feet wide and 20
Results and Discussion
Forage yields for each cutting, total
yield for three cuttings, and total yield
rank for 1997-99 are presented in Tables 13. Significant differences between varieties were found only in the third cutting in
1997 and in the third cutting and total
yield in 1999. Yields averaged more than 1
ton/acre higher in 1998 than in either
1997 or 1999. Lower yields in the first and
second cuttings in 1999 compared with
1998 were the result of cool temperatures
Klamath Experiment Station 1999
59
Research in the Klamath Basin
and frequent frosts in May, June, and
early July. First cuttings in 1999 commercial crops were generally 1 ton/acre
below normal in yield but high in quality.
Averaged over 3 harvest years, total
yields were not significantly different
between varieties (Table 4). The range in
total yield was from 6.33 ton/acre to 6.89,
a difference of only 9 percent.
No significant differences were
found for any of the forage quality parameters measured in any year or in the
average over years (Tables 5-8). The
higher yields observed in 1998 were
accompanied by lower quality, particularly in crude protein and relative feed
value.
Alfalfa variety selection should be
based on other factors in addition to yield
and forage quality. Disease and pest
resistance and winter hardiness affect
long-term persistence and productivity.
Appropriate varieties for the Klamath
Basin should be resistant to bacterial wilt,
phytophthora root rot, verticillium wilt,
and, in some areas, stem nematodes.
When alfalfa is grown in rotation with
potatoes, resistance to root-knot
nematodes is also important. Previously,
fall dormancy ratings of 2 or 3 were
recommended for local production. In
recent trials, varieties in groups 4 and 5
have persisted over a 4-year period. Fall
dormancy ratings and disease and pest
resistance ratings of entries in this trial are
presented in Table 9.
60
60 Alfalfa Variety Trial 1999
1999 Annual Report
Ta ble 1. 1997 forage yield of 28 alfalfa varieties planted at the KES, Klamath Falls,
OR, 1996.
Entry
Company
Cut 1
Cut 2
Cut 3
Total
Rank
ton/acre
Rushmore
Aspen
Innovator + Z
Affinity + Z
ABI 9352
Novartis Seeds
Eureka Seeds
America’s Alfalfa
America’s Alfalfa
America’s Alfalfa
2.64
2.74
2.70
2.52
2.44
1.47
1.51
1.57
1.60
1.58
1.99
1.81
2.05
1.97
1.96
6.10
6.06
6.32
6.09
5.98
20
23
13
21
24
LM-331
H 154
LM 459
Accord
DK127
Loshe Mill
Loshe Mill
Loshe Mill
Union Seed/Chemgro
Dekalb Genetics Corp.
2.72
2.54
2.41
2.77
2.75
1.44
1.65
1.79
1.70
1.58
1.96
1.71
1.94
1.86
1.92
6.12
5.90
6.14
6.33
6.25
19
27
18
10
15
5396
5246
Extend
Charger
Webfoot MPR
Pioneer Hi-Breed Int.
Pioneer Hi-Breed Int.
Grasslands West
Grasslands West
Great Lakes Hybrids
2.72
2.33
2.85
2.74
2.88
1.68
1.42
1.44
1.60
1.47
1.98
1.95
2.03
1.88
2.03
6.38
5.70
6.32
6.22
6.38
5
28
14
16
7
Excalibur II
Magnum III
Oneida VR
Vernal
Vernema
Allied Seed
Dairyland
Public
Public
Public
2.90
2.77
2.72
2.80
2.58
1.69
1.61
1.72
1.44
1.55
1.98
1.95
2.01
1.94
1.83
6.57
6.33
6.45
6.18
5.96
1
11
2
17
25
W45
HayGrazer
WL 252 HQ
Blazer
Blazer XL
Public
Great Plains Research
WL Research Inc.
Croplan Genetics
Croplan Genetics
2.48
2.69
2.79
2.67
2.55
1.44
1.54
1.59
1.56
1.53
1.99
2.10
2.06
2.18
1.99
5.91
6.33
6.44
6.41
6.07
26
12
3
4
22
Baralfa 54
Baralfa 32 IQ
Ranger
Barenbrug, USA
Barenbrug, USA
Public
2.61
2.72
2.62
1.84
1.63
1.51
1.90
2.02
2.25
6.35
6.37
6.38
9
8
6
2.67
10
NS
1.58
11
NS
1.97
8
0.22
6.22
6
NS
Mean
CV (%)
LSD (p = 0.05)
Klamath Experiment Station 1999
61
Research in the Klamath Basin
Ta ble 2 . 1998 forage yield of 28 alfalfa varieties planted at KES, Klamath Falls,
OR, 1996.
Entry
Company
Cut 1
Cut 2
Cut 3
Total
Rank
ton/acre
Rushmore
Aspen
Innovator + Z
Affinity + Z
ABI 9352
Novartis Seeds
Eureka Seeds
America’s Alfalfa
America’s Alfalfa
America’s Alfalfa
3.29
2.80
3.48
3.26
3.05
2.21
2.70
2.83
2.67
2.40
1.90
1.70
1.50
1.63
1.57
7.39
7.20
7.81
7.55
7.02
13
19
3
8
27
LM-331
H 154
LM 459
Accord
DK127
Loshe Mill
Loshe Mill
Loshe Mill
Union Seed/Chemgro
Dekalb Genetics Corp.
3.30
4.10
3.26
3.69
3.55
2.63
2.51
2.30
2.27
2.41
1.58
1.69
1.55
1.68
1.79
7.51
8.30
7.11
7.65
7.75
9
1
23
7
4
5396
5246
Extend
Charger
Webfoot MPR
Pioneer Hi-Breed Int.
Pioneer Hi-Breed Int.
Grasslands West
Grasslands West
Great Lakes Hybrids
3.81
3.19
3.15
3.27
3.36
2.22
2.47
2.72
2.24
2.50
1.69
1.61
1.80
1.55
1.62
7.73
7.26
7.67
7.07
7.48
5
18
6
24
11
Excalibur II
Magnum III
Oneida VR
Vernal
Vernema
Allied Seed
Dairyland
Public
Public
Public
3.21
3.23
2.91
3.59
3.20
2.46
2.28
2.47
2.62
2.49
1.70
1.55
1.48
1.71
1.49
7.37
7.06
6.86
7.92
7.18
14
25
28
2
20
W45
HayGrazer
WL 252 HQ
Blazer
Blazer XL
Public
Great Plains Research
WL Research Inc.
Croplan Genetics
Croplan Genetics
3.19
2.99
3.34
3.41
3.19
2.16
2.73
2.27
2.54
2.41
1.69
1.54
1.72
1.49
1.67
7.04
7.26
7.33
7.45
7.27
26
17
15
12
16
Baralfa 54
Baralfa 32 IQ
Ranger
Barenbrug, USA
Barenbrug, USA
Public
2.70
3.58
3.24
2.64
2.07
2.54
1.83
1.49
1.72
7.17
7.14
7.50
21
22
10
3.30
17
NS
2.45
13
NS
1.64
13
NS
7.39
8
NS
Mean
CV (%)
LSD (p = 0.05)
62
62 Alfalfa Variety Trial 1999
1999 Annual Report
Table 3. 1999 forage yield of 28 alfalfa varieties planted at KES, Klamath Falls,
OR, 1996.
Entry
Company
Cut 1
Cut 2
Cut 3
Total
Rank
ton/acre
Rushmore
Aspen
Innovator + Z
Affinity + Z
ABI 9352
Novartis Seeds
Eureka Seeds
America’s Alfalfa
America’s Alfalfa
America’s Alfalfa
2.59
2.28
2.79
2.75
2.67
1.65
1.67
1.76
1.91
1.71
1.60
1.80
1.60
1.91
1.70
5.84
5.75
6.15
6.57
6.08
23
26
9
2
14
LM-331
H 154
LM 459
Accord
DK127
Loshe Mill
Loshe Mill
Loshe Mill
Union Seed/Chemgro
Dekalb Genetics Corp.
2.54
2.23
2.56
2.52
2.15
1.75
1.90
1.88
1.76
1.73
1.67
1.84
1.73
1.66
1.65
5.96
5.97
6.17
5.94
5.53
19
18
8
20
28
5396
5246
Extend
Charger
Webfoot MPR
Pioneer Hi-Breed Int.
Pioneer Hi-Breed Int.
Grasslands West
Grasslands West
Great Lakes Hybrids
2.90
2.59
2.37
2.65
2.30
1.85
1.96
1.84
1.83
1.86
1.81
1.78
1.70
1.80
1.61
6.56
6.33
5.91
6.28
5.77
3
4
21
5
25
Excalibur II
Magnum III
Oneida VR
Vernal
Vernema
Allied Seed
Dairyland
Public
Public
Public
2.54
3.07
2.43
2.67
2.49
1.80
1.87
1.81
1.84
1.89
1.71
1.69
1.63
1.63
1.80
6.05
6.63
5.87
6.14
6.18
16
1
22
11
6
W45
HayGrazer
WL 252 HQ
Blazer
Blazer XL
Public
Great Plains Research
WL Research Inc.
Croplan Genetics
Croplan Genetics
2.43
2.58
2.47
2.42
2.61
1.97
1.90
1.75
1.69
1.79
1.69
1.67
1.61
1.60
1.67
6.09
6.15
5.83
5.71
6.07
13
10
24
27
15
Baralfa 54
Baralfa 32 IQ
Ranger
Barenbrug, USA
Barenbrug, USA
Public
2.51
2.66
2.47
1.87
1.97
1.93
1.66
1.55
1.70
6.04
6.18
6.10
17
7
12
2.54
12
NS
1.83
9
NS
1.69
7
0.18
6.07
7
0.56
Mean
CV (%)
LSD (p = 0.05)
Klamath Experiment Station 1999
63
Research in the Klamath Basin
Ta ble 4 . Average 1997-99 forage yield of 28 alfalfa varieties planted at KES, Klamath
Falls, OR, 1996.
Entry
Company
Cut 1
Cut 2
Cut 3
Total
Rank
ton/acre
Rushmore
Aspen
Innovator + Z
Affinity + Z
ABI 9352
Novartis Seeds
Eureka Seeds
America’s Alfalfa
America’s Alfalfa
America’s Alfalfa
2.84
2.61
2.99
2.84
2.72
1.78
1.96
2.05
2.06
1.90
1.83
1.77
1.72
1.84
1.74
6.46
6.33
6.78
6.74
6.36
22
28
2
3
26
LM-331
H 154
LM 459
Accord
DK127
Loshe Mill
Loshe Mill
Loshe Mill
Union Seed/Chemgro
Dekalb Genetics Corp.
2.85
2.96
2.75
3.00
2.82
1.94
2.02
1.99
1.91
1.91
1.74
1.74
1.74
1.74
1.79
6.53
6.73
6.48
6.64
6.52
15
5
20
9
18
5396
5246
Extend
Charger
Webfoot MPR
Pioneer Hi-Breed Int.
Pioneer Hi-Breed Int.
Grasslands West
Grasslands West
Great Lakes Hybrids
3.15
2.70
2.79
2.89
2.85
1.92
1.95
2.00
1.89
1.94
1.83
1.78
1.84
1.74
1.76
6.89
6.43
6.62
6.52
6.53
1
24
10
17
13
Excalibur II
Magnum III
Oneida VR
Vernal
Vernema
Allied Seed
Dairyland
Public
Public
Public
2.88
3.02
2.69
3.02
2.76
1.99
1.92
2.00
1.97
1.98
1.80
1.73
1.71
1.76
1.71
6.66
6.67
6.40
6.74
6.44
7
6
25
4
23
W45
HayGrazer
WL 252 HQ
Blazer
Blazer XL
Public
Great Plains Research
WL Research Inc.
Croplan Genetics
Croplan Genetics
2.70
2.75
2.87
2.83
2.78
1.86
2.06
1.87
1.93
1.91
1.79
1.77
1.80
1.76
1.78
6.35
6.58
6.51
6.53
6.47
27
11
19
16
21
Baralfa 54
Baralfa 32 IQ
Ranger
Barenbrug, USA
Barenbrug, USA
Public
2.60
2.99
2.77
2.12
1.89
1.99
1.79
1.69
1.89
6.53
6.56
6.65
14
12
8
2.84
14
NS
1.95
12
NS
1.77
10
NS
6.56
7
NS
Mean
CV (%)
LSD (p = 0.05)
64
64 Alfalfa Variety Trial 1999
1999 Annual Report
Table 5. 1997 alfalfa forage quality as measured by crude protein (CP), acid detergent
fiber (ADF), neutral detergent fiber (NDF), total digestible nutrients (TDN), and relative
feed value (RFV), of 28 varieties planted at KES, Klamath Falls, OR, 1996.
Company
CP
ADF
NDF
TDN
RFV
%
Rushmore
Aspen
Innovator + Z
Affinity + Z
ABI 9352
Novartis Seeds
Eureka Seeds
America’s Alfalfa
America’s Alfalfa
America’s Alfalfa
20.8
23.0
22.6
22.8
23.3
36.7
34.0
33.9
32.9
32.8
45.5
43.0
43.4
44.0
43.0
54.2
57.3
57.4
59.0
58.7
124.0
135.0
135.0
134.0
137.0
LM-331
H 154
LM 459
Accord
DK127
Loshe Mill
Loshe Mill
Loshe Mill
Union Seed/Chemgro
Dekalb Genetics Corp.
21.9
21.4
21.0
22.8
24.1
35.4
35.3
36.0
33.6
32.3
45.0
45.8
45.8
42.4
41.2
55.7
55.8
55.0
57.8
59.2
127.0
125.0
124.0
139.0
145.0
5396
5246
Extend
Charger
Webfoot MPR
Pioneer Hi-Breed Int.
Pioneer Hi-Breed Int.
Grasslands West
Grasslands West
Great Lakes Hybrids
22.5
22.5
21.9
21.3
21.7
33.5
33.6
35.1
35.8
34.0
43.2
43.8
44.8
44.9
44.4
57.8
57.7
56.1
55.2
57.3
136.0
133.0
128.0
127.0
131.0
Excalibur II
Magnum III
Oneida VR
Vernal
Vernema
Allied Seed
Dairyland
Public
Public
Public
22.5
22.6
22.5
22.7
21.3
34.2
33.6
33.3
33.6
35.4
43.6
42.7
42.4
42.6
44.4
57.0
57.8
58.0
57.7
55.7
133.0
137.0
138.0
137.0
129.0
W45
HayGrazer
WL 252 HQ
Blazer
Blazer XL
Public
Great Plains Research
WL Research Inc.
Croplan Genetics
Croplan Genetics
21.2
22.9
23.4
22.0
23.6
35.7
33.7
32.6
34.4
32.7
45.4
43.0
42.4
44.6
42.3
55.3
57.6
58.9
56.8
58.8
126.0
137.0
140.0
130.0
140.0
Baralfa 54
Baralfa 32 IQ
Ranger
Barenbrug, USA
Barenbrug, USA
Public
23.1
21.9
21.6
33.1
34.7
35.1
42.1
45.0
44.1
58.2
56.4
56.0
140.0
129.0
131.0
22.3
8
NS
34.2
7
NS
43.7
6
NS
57.1
5
NS
133.0
9
NS
Mean
CV (%)
LSD (p = 0.05)
Klamath Experiment Station 1999
65
Research in the Klamath Basin
Ta ble 6 . 1998 alfalfa forage quality as measured by crude protein (CP), acid detergent
fiber (ADF), neutral detergent fiber (NDF), total digestible nutrients (TDN), and relative
feed value (RFV), of 28 varieties planted at KES, Klamath Falls, OR, 1996.
Company
CP
ADF
NDF
TDN
RFV
%
Rushmore
Aspen
Innovator + Z
Affinity + Z
ABI 9352
Novartis Seeds
Eureka Seeds
America’s Alfalfa
America’s Alfalfa
America’s Alfalfa
20.7
20.2
19.4
20.4
21.0
34.6
35.8
36.4
35.5
33.6
44.4
46.0
46.2
45.4
44.0
56.6
55.2
54.5
55.5
57.7
130.0
124.0
122.0
126.0
133.0
LM-331
H 154
LM 459
Accord
DK127
Loshe Mill
Loshe Mill
Loshe Mill
Union Seed/Chemgro
Dekalb Genetics Corp.
20.6
21.8
20.6
20.6
19.8
34.9
33.3
34.7
35.2
36.3
46.0
43.8
44.8
44.1
45.8
56.3
58.0
56.4
55.9
54.7
125.0
134.0
129.0
130.0
125.0
5396
5246
Extend
Charger
Webfoot MPR
Pioneer Hi-Breed Int.
Pioneer Hi-Breed Int.
Grasslands West
Grasslands West
Great Lakes Hybrids
20.4
20.6
19.9
21.1
21.4
34.9
35.9
35.7
34.6
33.8
44.7
45.7
46.0
44.4
43.9
56.2
55.1
55.3
56.6
57.5
129.0
125.0
124.0
130.0
133.0
Excalibur II
Magnum III
Oneida VR
Vernal
Vernema
Allied Seed
Dairyland
Public
Public
Public
19.6
20.5
20.6
19.8
19.0
36.0
35.2
35.9
37.8
37.1
45.7
45.7
45.7
48.7
46.6
54.9
55.9
55.1
52.9
53.7
125.0
126.0
125.0
114.0
121.0
W45
HayGrazer
WL 252 HQ
Blazer
Blazer XL
Public
Great Plains Research
WL Research Inc.
Croplan Genetics
Croplan Genetics
21.5
21.0
21.2
19.3
20.6
33.5
35.5
34.2
37.0
35.6
44.2
44.5
44.2
47.1
45.8
57.8
55.5
57.0
53.8
55.4
134.0
129.0
132.0
119.0
125.0
Baralfa 54
Baralfa 32 IQ
Ranger
Barenbrug, USA
Barenbrug, USA
Public
19.2
21.3
20.2
37.1
33.6
35.6
47.1
43.4
45.9
53.7
57.7
55.5
120.0
135.0
124.0
20.4
3
NS
35.3
7
NS
45.3
6
NS
55.7
5
NS
127.0
9
NS
Mean
CV (%)
LSD (p = 0.05)
66
66 Alfalfa Variety Trial 1999
1999 Annual Report
Table 7. 1999 alfalfa forage quality as measured by crude protein (CP), acid detergent
fiber (ADF), neutral detergent fiber (NDF), total digestible nutrients (TDN), and relative
feed value (RFV), of 28varieties planted at KES, Klamath Falls, OR, 1996.
Company
CP
ADF
NDF
TDN
RFV
%
Rushmore
Aspen
Innovator + Z
Affinity + Z
ABI 9352
Novartis Seeds
Eureka Seeds
America’s Alfalfa
America’s Alfalfa
America’s Alfalfa
23.4
22.7
23.7
23.6
21.7
32.2
33.3
32.4
31.8
34.8
43.4
45.1
43.5
43.4
46.3
59.3
58.0
59.1
59.8
56.3
137.0
130.0
137.0
139.0
125.0
LM-331
H 154
LM 459
Accord
DK127
Loshe Mill
Loshe Mill
Loshe Mill
Union Seed/Chemgro
Dekalb Genetics Corp.
21.2
22.3
21.4
23.5
23.5
35.5
33.5
35.1
32.5
33.4
46.8
45.2
46.2
43.2
45.0
55.5
57.8
56.0
59.0
58.0
122.0
130.0
125.0
137.0
130.0
5396
5246
Extend
Charger
Webfoot MPR
Pioneer Hi-Breed Int.
Pioneer Hi-Breed Int.
Grasslands West
Grasslands West
Great Lakes Hybrids
21.8
22.6
22.6
23.0
21.6
34.0
32.9
33.1
33.1
34.4
44.9
43.9
44.2
44.4
45.5
57.2
58.6
58.4
58.3
56.9
130.0
134.0
133.0
133.0
127.0
Excalibur II
Magnum III
Oneida VR
Vernal
Vernema
Allied Seed
Dairyland
Public
Public
Public
21.8
22.2
22.1
22.8
21.7
34.7
33.5
33.4
33.4
34.7
45.8
44.6
45.0
44.2
45.9
56.4
57.9
57.9
58.0
56.5
126.0
132.0
130.0
133.0
126.0
W45
HayGrazer
WL 252 HQ
Blazer
Blazer XL
Public
Great Plains Research
WL Research Inc.
Croplan Genetics
Croplan Genetics
21.8
22.9
24.1
21.7
21.6
34.4
32.5
32.0
35.3
35.1
45.8
44.4
43.5
46.6
45.9
56.7
59.0
59.6
55.8
56.0
127.0
134.0
138.0
123.0
126.0
Baralfa 54
Baralfa 32 IQ
Ranger
Barenbrug, USA
Barenbrug, USA
Public
21.6
21.4
23.5
34.8
34.6
31.2
45.9
45.8
42.2
56.3
56.6
60.5
126.0
127.0
143.0
22.4
3
NS
33.6
4
NS
44.9
3
NS
57.7
2
NS
131.0
4
NS
Mean
CV (%)
LSD (p = 0.05)
Klamath Experiment Station 1999
67
Research in the Klamath Basin
Table 8. Average 1997-1999 alfalfa forage quality as measured by crude protein
(CP), acid detergent fiber (ADF), neutral detergent fiber (NDF), total digestible
nutrients (TDN), and relative feed value (RFV), of 28 varieties planted at KES,
Klamath Falls, OR, 1996.
Company
CP
ADF
NDF
TDN
RFV
%
Rushmore
Aspen
Innovator + Z
Affinity + Z
ABI 9352
Novartis Seeds
Eureka Seeds
America’s Alfalfa
America’s Alfalfa
America’s Alfalfa
21.6
21.9
21.9
22.3
22.0
34.5
34.4
34.2
33.4
33.7
44.5
44.7
44.4
44.3
44.4
56.7
56.8
57.0
58.0
57.6
130.0
130.0
131.0
133.0
132.0
LM-331
H 154
LM 459
Accord
DK127
Loshe Mill
Loshe Mill
Loshe Mill
Union Seed/Chemgro
Dekalb Genetics Corp.
21.3
21.8
21.0
22.3
22.5
35.3
34.0
35.3
33.8
34.0
45.9
44.9
45.6
43.3
44.0
55.8
57.2
55.8
57.6
57.3
125.0
130.0
126.0
135.0
133.0
5396
5246
Extend
Charger
Webfoot MPR
Pioneer Hi-Breed Int.
Pioneer Hi-Breed Int.
Grasslands West
Grasslands West
Great Lakes Hybrids
21.6
21.9
21.5
21.8
21.6
34.2
34.1
34.6
34.5
34.0
44.3
44.4
45.0
44.5
44.6
57.1
57.1
56.6
56.7
57.2
131.0
131.0
128.0
130.0
130.0
Excalibur II
Magnum III
Oneida VR
Vernal
Vernema
Allied Seed
Dairyland
Public
Public
Public
21.3
21.8
21.7
21.8
20.7
35.0
34.1
34.2
34.9
35.7
45.0
44.3
44.3
45.2
45.6
56.1
57.2
57.0
56.2
55.3
128.0
132.0
131.0
128.0
125.0
W45
HayGrazer
WL 252 HQ
Blazer
Blazer XL
Public
Great Plains Research
WL Research Inc.
Croplan Genetics
Croplan Genetics
21.5
22.3
22.9
21.0
21.9
34.6
33.9
32.9
35.6
34.5
45.2
44.0
43.3
46.1
44.6
56.6
57.4
58.5
55.5
56.7
129.0
133.0
136.0
124.0
130.0
Baralfa 54
Baralfa 32 IQ
Ranger
Barenbrug, USA
Barenbrug, USA
Public
21.3
21.6
21.8
35.0
34.3
34.0
45.0
44.7
44.1
56.1
56.9
57.3
129.0
130.0
133.0
21.7
7
NS
34.4
7
NS
44.7
6
NS
56.8
5
NS
130.0
9
NS
Mean
CV (%)
LSD (p = 0.05)
68
68 Alfalfa Variety Trial 1999
1999 Annual Report
Table 9. Alfalfa variety fall dormancy rating (FD); and resistance to bacterial wilt (BW), verticillium wilt
(VW), fusarium wilt (FW), anthracnose (AN), phytophthera root rot (PRR), spotted alfalfa aphid (SAA),
pea aphid (PA), blue alfalfa aphid (BAA), stem nematode (SN), aphanomyces root rot race 1 (APH),
Southern root knot nematode (SRKN), and Northern root knot nematode (NRKN). Data taken from
Certified Seed Council's "Fall Dormancy and Pest Resistance Ratings for Alfalfa Varieties", 1997/98 Edition
unless otherwise stated.
Variety
FD BW
Rushmore
Aspen
Innovator + Z
Affinity + Z
ABI 9352
1
1
LM-331
H-154
LM 459
Accord
DK127
1
5396
5246
Extend
1
Charger
Webfoot MPR
Excalibur II
Magnum III
Oneida VR
Vernal
Vernema
1
Baralfa 54
1
Baralfa 32 IQ
Ranger
1
1
1
FW
AN
PRR
SAA
PA
BAA
SN
4
4
3
4
HR
HR
HR
HR
R
R
HR
HR
HR
HR
HR
HR
HR
HR
HR
HR
HR
HR
HR
HR
HR
HR
MR
HR
HR
R
R
5
R
HR
HR
HR
R
R
MR
4
5
5
4
3
R
R
R
MR
HR
HR
MR
R
R
HR
HR
HR
HR
R
R
HR
HR
R
R
R
HR
HR
MR
HR
HR
HR
MR
HR
HR
HR
HR
3
3
3
HR
R
HR
HR
R
R
R
R
HR
R
HR
HR
R
R
HR
R
R
R
R
3
4
HR
HR
R
HR
HR
HR
HR
HR
HR
HR
4
3
2
4
HR
R
R
R
MR
R
MR
HR
HR
R
HR
MR
HR
MR
MR
HR
R
MR
HR
MR
LR
LR
MR
HR
5
4
2
3
3
MR
HR
HR
HR
R
LR
R
HR
LR
R
HR
HR
HR
R
HR
R
R
HR
LR
HR
R
HR
MR
HR
R
R
MR
5
R
R
HR
HR
3
HR
R
HR
HR
3
LR
1
W45
HayGrazer
WL 252 HQ
Blazer
Blazer XL
VW
MR
S
MR
R
R
R
HR
R
R
MR
HR
R
R
R
R
R
HR
HR
R
R
MR
R
MR
MR
HR
R
MR
R
R
R
R
R
MR
MR
R
LR
R
R
R
APH SRKN NRKN
R
R
MR
R
R
HR
MR
MR
MR
R
HR
R
R
HR
R
HR
HR
HR
MR
R
HR
HR
R
R
R
MR
HR
R
MR
R
MR
R
HR
MR
Data based on company or breeder information.
HR-highly resistant
S-susceptible
R-resistant
MR-moderately resistant
LR-low resistance
Klamath Experiment Station 1999
69