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Presented by Ryan Earp, M.S. Graduate Student, Turfgrass Breeding and Physiology

 

Objective 1: Evaluate several advanced hybrid bermudagrass (Cynadon dactylon x C. transvaalensis) selections for their use on golf course putting greens. 

 

Objective 2: Evaluate the capability of drone imaging technology to determine establishment of bermudagrass trials.

 

An aerial view of a putting green with sections mowed into it.

 

Figure 1: Block 8 putting green trial captured on 9/20/21 height of 0.125".

 

Released Variety: OKC 3920

 

  1. Evaluated in the 2019 NTEP Putting green trial
  2. Cultivar exhibits:
  • Improved cold tolerance against ultradwarf cultivars
  • High turf quality under mowing heights of 3.2 mm
  • Sufficient establishment rates
  • Fine textured leaf blades
  • Early spring green up
  • Dark green natural color
  • Ball roll approaches ultradwarf cultivars

 

Green OKC 3920 turfgrass.

 

Figure 2: Image of OKC 3920 at 0.125".

 

Green TifEagle turfgrass.

 

Figure 3: Image of TifEagle at 0.125".

 

A thermal example of NDVI values of a putting green trial.

 

Figure 4: Index map of NDVI values for putting green trial.

 

A thermal example of NDRE values of a putting green trial.

 

Figure 5: Index map of NDRE values for putting green trial.

 

  1 2 3 4 5 6 7 8
 

1

11

34x20

2

5

3x23

3

6

5x23

4

16

TifEagle

5

3

OKC3920

6

17

Tifdwarf

7

4

OKC1609

8

1

OKC0805

 

9

2

OKC0920

10

9

15x9

11

12

63x18

12

10

19x19

13

14

FB1901

14

13

MSB1050

15

8

12x3

16

7

11x2

 

17

15

Tahoma31

18

3

OKC3920

19

1

OKC0805

20

15

Tahoma31

21

12

63x18

22

4

OKC1609

23

6

5x23

24

11

34x20

 

25

2

OKC0920

26

16

TifEagle

27

10

19x19

28

14

FB1901

29

8

12x3

30

5

3x23

31

17

Tifdwarf

32

9

15x9

 

33

13

MSB1050

34

7

11x2

35

9

15x9

36

11

34x20

37

2

OKC0920

38

4

OKC1609

39

1

OKC0805

40

15

Tahoma31

 

41

16

TifEagle

42

12

63x18

43

10

19x19

44

14

FB1901

45

6

5x23

46

7

11x2

47

8

12x3

48

13

MSB1050

 

49

3

OKC3920

50

17

Tifdwarf

51

5

3x23

52

6

5x23

53

11

34x20

54

4

OKC1609

55

16

TifEagle

56

14

FB1901

 

57

8

12x3

58

12

63x18

59

3

OKC3920

60

17

Tifdwarf

61

5

3x23

62

7

11x2

63

13

MSB1050

64

10

19x19

 

65

2

OKC0920

66

1

OKC0805

67

15

Tahoma31

68

9

15x9

69

1

OKC0805

70

2

OKC0920

71

3

OKC3920

72

4

OKC1609

 

73

5

3x23

74

6

5x23

75

7

11x2

76

8

12x3

77

9

15x9

78

10

19x19

79

11

34x20

80

12

63x18

 

81

13

MSB1050

82

14

FB1901

83

15

Tahoma31

84

16

TifEagle

85

17

Tifdwarf

xx

Tahoma31

xx

Tahoma31

xx

Tahoma31

 

 

 

 

Turf Center Building

 

 

 

 

 

Table 1: Plot plan of Block 8 putting green trial

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