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Crop : Sugarcane.

Field : Plant Breeding

Collaborator : Indian Council of Agricultural Research.,New Delhi.

Title : First Stage Clonal Trial.

Author : R.Narasimhan,R .S.Sachan,G.S.C.Rao and A.T. Yaragattikar

Year :1980

A preliminary varietal trial with 19 varieties with 2 checks were planted on 8th Feb. 1980. Varieties tested in this trial were Co 7220, G.72128, LG. 7334, LK. 364, Co 7702, Co 7705, Co 7712, Co 7715, Co 7801, Co 7802, Co 7803, Co 7804, Co 7805, Co 7806, Co 7807, Co 7808, Co 7809, Co 7810, Co 7811, Co 6415 and Co 62175 as check. The trial was harvested on 10th February 1981. The detail quality and yield data recorded is appended in Table 1. The 10 varieties promoted to second stage clonal trial were LK. 364, Co 7801, Co 7802, Co 7803, Co 7804, Co 7805, Co 7806, Co 7807, Co 7808 and Co 7810.

TABLE - 1.

1. Experiment : FIRST STAGE CLONAL TRIAL

2. Replications : Three

3. Varieties : 19 +2

4. Planting Date: 8th February 1980.

5. Plot Size : 6m x 5.4 m = 32.4 Sq.m.

6. Layout : Randomised block design.

7. Date of Harvesting : 10th February 1981.

Variety

% Germi-

Shoots

Millable

Yield in

Juice Quality Hand Refractometer reading

 

nation

ha-1

canes/ha.

tonnes ha.

9 Months

10 Months

11 Months

12 Months

       

Brix

Brix

Brix

Brix

Co 7220

37.2

167283

91461

88.99

12.93

15.90

19.20

19.59

G. 72128

51.3

190432

104835

66.66

17.10

17.70

19.20

19.25

LG. 7334

43.6

104629

59773

58.64

17.50

17.10

19.20

20.16

LK. 364

46.1

121913

222839

183.33

15.80

16.70

20.80

21.00

Co 7702

52.6

134876

80556

77.16

18.40

18.60

20.90

21.50

Co 7705

56.4

93209

55454

52.02

17.06

18.30

22.80

23.25

Co 7712

43.3

141049

73251

46.71

19.68

18.70

21.80

22.75

Co 7715

43.6

104321

77160

58.23

16.80

16.50

20.20

20.66

Co 7801

52.6

83024

78189

55.66

14.36

17.10

20.50

21.16

Co 7802

55.1

103703

78189

59.67

19.10

18.00

20.20

22.25

Co 7803

53.6

141666

90535

87.65

15.43

18.40

21.50

21.83

Co 7804

51.3

159876

81481

74.69

15.40

16.40

20.00

20.80

Co 7805

48.7

87345

65843

78.08

17.5

18.30

21.00

21.50

Co 7806

42.3

167901

97634

80.35

16.98

18.00

20.00

20.75

Co 7807

51.3

104321

96193

72.02

17.70

17.00

20.40

21.83

Co 7808

46.1

171913

95885

94.17

17.00

17.70

21.10

20.50

Co 7809

41.0

187963

111346

86.73

17.77

18.70

20.60

21.33

Co 7810

46.1

132098

76440

82.92

18.50

17.90

21.60

21.83

Co 7811

43.6

108642

78807

59.15

16.13

18.10

22.08

20.75

Co 6415

53.8

142901

68210

75.10

18.60

18.30

21.20

22.20

Co 62175

38.5

108025

63338

82.92

17.00

18.00

20.30

19.75

 

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