DURUM seeding rate STUDY                                                                                                                       

 J. Eckhoff1

 

 

2004

Dryland                                                 Planted: April 9               Harvested: August 12

 

 

variety

Seeding

Rate

Seed/ac

Heading

Date2

Height

in

Grain

Protein

HVAC3

Test

Wt

Yield

Bu/ac

Plaza

750,000

77.8

29.8

13.86

85.8

59.6

48.1

 

1,000,000

78.0

27.9

14.01

86.7

59.4

44.2

 

1,250,000

76.0

27.6

13.81

87.1

60.1

51.5

 

1,500,000

75.5

27.8

13.92

84.7

60.4

53.7

LSD 0.05

NS

NS

NS

NS

NS

NS

Mountrail

750,000

77.8

35.4

14.26

90.2

58.9

47.8

 

1,000,000

77.8

33.7

14.38

90.9

59.3

50.0

 

1,250,000

79.3

31.8

14.72

89.8

58.0

41.1

 

1,500,000

75.3

33.1

14.49

89.8

60.0

54.6

LSD 0.05

2.7

NS

NS

NS

NS

NS

Sprinkle irrigated                                Planted:  April 20             Harvested:  August 18

 

 

variety

Seeding

Rate

Seed/ac

Heading

Date2

Height

in

Lodging index

Grain

Protein

HVAC3

Test

Wt

Yield

Bu/ac

Plaza

1,000,000

65.8

30.7

0.0

11.51

99.5

63.3

98.6

 

1,250,000

65.3

30.8

0.0

11.79

101.6

62.9

92.7

 

1,500,000

64.8

30.8

0.0

12.22

104.1

62.9

90.4

 

2,000,000

65.5

29.8

0.0

11.54

98.7

63.3

88.8

LSD 0.05

NS

NS

NS

NS

NS

NS

NS

Mountrail

1,000,000

65.8

36.8

0.00

12.26

104.8

63.1

98.8

 

1,250,000

65.5

35.3

0.00

13.39

105.8

62.6

84.3

 

1,500,000

64.5

34.3

0.00

12.89

105.1

62.8

96.0

 

2,000,000

64.8

37.0

0.25

12.49

102.7

62.9

98.7

LSD 0.05

NS

NS

NS

NS

NS

NS

NS

Flood irrigated                                    Planted:  April 19            Harvested:  August 10

 

 

variety

Seeding

Rate

Seed/ac

Heading

Date2

Height

in

Lodging index

Grain

Protein

HVAC3

Test

Wt

Yield

Bu/ac

Plaza

1,000,000

68.0

32.6

0.0

11.50

47.5

62.0

93.7

 

1,250,000

67.3

32.2

0.0

11.30

50.4

61.8

93.4

 

1,500,000

66.8

31.6

0.0

10.87

40.2

62.4

90.8

 

2,000,000

66.3

33.0

0.0

10.91

49.0

62.1

96.7

LSD 0.05

1.4

NS

NS

NS

NS

NS

NS

Mountrail

1,000,000

69.0

39.9

1.75

12.13

33.7

60.0

107.6

 

1,250,000

68.0

38.8

0.75

11.50

21.5

61.1

101.8

 

1,500,000

67.8

37.6

2.00

11.16

16.4

60.4

108.1

 

2,000,000

68.3

37.7

0.25