Table 1. Forage and grain yield of twelve corn hybrid cultivars and one open pollinated, corn cultivar during 1996 and 1997 at Dickinson, ND.

Brand Cultivar

RM1

Grain

Harvest
moisture 

Silage yield

70%
Moisture 

DM Basis

Yield

TW2

1996

1997

2 yr avg

   

days

bu/acre

lb/bu

%

tons/ac

Dekalb

DK-345

84

67.8

55.4

52

13.4

--

4.0

--

Dekalb

DK-365

86

69.1

53.5

54

13.0

--

3.9

--

Dekalb

DK-385 B

88

76.6

55.8

53

17.1

--

5.1

--

Dekalb

DK-449

94

80.2

54.6

63

16.0

--

4.8

--

Kaystar

KX-285

81

68.0

54.2

52

12.7

--

3.8

--

Kaystar

KX-288

82

69.3

51.5

55

13.6

--

4.1

--

Pioneer

3878

89

74.2

55.8

56

14.1

5.9

4.2

5.0

Pioneer

3893

89

87.4

54.4

48

15.8

6.1

4.7

5.4

Pioneer

3941

82

75.3

56.0

49

12.8

--

3.8

--

Pioneer

3970

77

58.1

56.8

42

12.8

5.0

3.8

4.4

Proseed

180

80

71.4

55.6

50

12.1

--

3.6

--

Proseed

185

85

63.3

51.1

54

14.4

--

4.3

--

Proseed

S 107

--

--

--

68

15.6

--

4.7

--

  
Mean    

71.7

54.6

53.5

14.1

--

4.2

--

C.V. %    

10.4

1.9

11.6

17.0

--

17.0

--

LSD .05    

9.7

1.3

12.0

NS3

--

NS

--

1RM=relative maturity.
2TW = test weight.
3NS = not significant at the P < 0.05 level.