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1997 Trial List

Trial Locations:

West Lafayette
Wanatah
Butlerville
 

Alfalfa Variety Yields 1997
From Trials Planted in 1997

Table 10. 1997 alfalfa variety yields at the Agronomy Research Center, West Lafayette, IN
Seeding Date: April 23, 1997

Dry Matter Yield T/A

1997

% of

Entry

Total

Check

GEM

3.28

*

130

DK140

3.21

*

127

631

3.06

*

121

Ace

3.05

*

121

5312

3.02

*

119

DK141

3.02

*

119

2888

3.00

*

119

Choice

2.98

*

118

Demand

2.96

*

117

Complete

2.93

*

116

5454

2.89

*

114

WH 80

2.87

113

Rushmore

2.78

110

Spur

2.70

107

DK127

2.63

104

Safeguard

2.55

101

Vernal

2.53

100

Grand mean

2.91

LSD (5%)

0.41

C.V. (%)

9.87

No. of harvests

3

Entries with names preceded by "x" were tested using experimental seed that may not give performance identical to commercially available seed.
Yields followed by an asterisk (*) are not significantly different from the highest yield in the column.
Yield of "Vernal" used to calculate % of check
Location: West Lafayette, IN
Design: Randomized block, 4 replications, 17 entries
Soil Type: Xenia silt loam
Plots: Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded: April 23, 1997, with 15 lb. live seed / acre; 1.3 lb. a.i. Balan / acre, incorporated
Fertilizer: 60 lb. P2O5 and 250 lb. K2O / acre applied after first and final harvest Insects: Potato leafhoppers controlled by spraying
(Copyright 1997 Purdue Research Foundation)

 

Table 11. 1997 alfalfa variety yields at the Pinney Purdue Agriculture Center, Wanatah, IN
Seeding Date: April 25, 1997

Dry Matter Yield T/A

1997

% of

Entry

Total

Check

Choice

2.53

*

117

Demand

2.45

*

113

WL 324

2.41

*

111

5312

2.36

*

109

DK141

2.34

*

108

WL 325 HQ

2.33

*

107

GH 797

2.30

*

106

GEM

2.24

*

103

DK140

2.19

101

Vernal

2.17

100

x

WL 326 GZ

2.13

98

5454

2.12

98

DK127

2.12

98

Spur

1.84

85

Grand mean

2.25

LSD (5%)

0.3

C.V. (%)

9.15

No. of harvests

2

Entries with names preceded by "x" were tested using experimental seed that may not give performance identical to commercially available seed.
Yields followed by an asterisk (*) are not significantly different from the highest yield in the column.
Yield of "Vernal" used to calculate % of check
Location: Wanatah, IN
Design: Randomized block, 4 replications, 14 entries
Soil Type: Tracy Sand
Plots: Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded: April 25, 1997, with 15 lb. live seed / acre; 1.3 lb. a.i. Balan / acre, incorporated Irrigation 1997 season: 2" on 7/17, 1.5" on 8/5, 1" on 9/8
Fertilizer: 60 lb. P205 and 250 lb. K20 / acre applied after first harvest
Insects: Alfalfa weevil and potato leafhoppers controlled by spraying
(Copyright 1997 Purdue Research Foundation)

 

 

Table 12. 1997 alfalfa variety yields at the Southeast Purdue Agricultural Center, Butlerville, IN
Seeding: May 21, 1997

Dry Matter Yield T/A

1997

% of

Entry

Total

Check

DK141

1.16

*

104

631

1.15

*

103

Spur

1.14

*

102

Choice

1.13

*

101

GEM

1.12

*

100

Vernal

1.12

*

100

5312

1.09

*

97

DK140

1.08

*

96

ABT-405

1.06

*

95

5454

1.05

*

94

Complete

1.01

*

90

Grand mean

1.10

LSD (5%)

0.17

C.V. (%)

10.81

No. of harvests

2

Entries with names preceded by "x" were tested using experimental seed that may not give performance identical to commercially available seed.
Yields followed by an asterisk (*) are not significantly different from the highest yield in the column.
Yield of "Vernal" used to calculate % of check
Location: Butlerville, IN
Design: Randomized block, 4 replications, 11 entries
Soil Type: Avonburg silt loam
Plots: Five rows, 2.5' x 20', (harvested 2.5' x 15')
Seeded: May 21, 1997, with 15 lb. live seed / acre; 1.3 lb. a.i. Balan / acre, incorporated
Fertilizer: 60 lb. P205 and 250 lb. K20 / acre applied after first harvest
Insects: Alfalfa weevil and potato leafhoppers controlled by spraying
(Copyright 1997 Purdue Research Foundation)

 

 

 

For more forage information contact Dr. Keith Johnson: johnsonk@purdue.edu

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