Table 10. Early-Planted Grain Sorghum Hybrid Test
 NFREC, Marianna, FL. 2000


Company
Southland
Pioneer
Southern States
Northrup-King
Dekalb
Southern States
Dekalb
Dekalb
Asgrow
Southland
Florida
Dekalb
CSC
Southern States
Dyna Gro
Asgrow
Northrup-King
Asgrow
Florida
Northrup-King
Florida
Northrup-King
Southern States


Average


--


LSD at 10% level 714 2 3 --- I


'Days from planting to 50% bloom.
2Lodging 1-5 (1 = none).
'Rated 1 = resistant to 10 = susceptible to foliar diseases.


Planted:
Harvested:
Seeding Rate:
Soil Type:
Soil Test:
Fertilization:
Previous Crop:
Management:


19 April 2000 (irrigated).
2 August 2000
130,000 seed/acre in 36" rows.
Chipola loamy sand.
P = Medium, K= Medium, and pH = 6.6.
Preplant: 39 lb N, 39 Ib P205, and 30 lb K20/acre. Sidedress: 85 lb N/acre.
Peanuts
Moldboard plowed and disked; Aatrex, Dual, and Prowl used for weed control.
Sevin used for insect control.


Hybrid
Y360
83G66
SS-600
KS989
DK53
SS-650
DK54
DK55
Missile
Y303E
99SD Inc YT 11
DKS51-90
1489
SS-800
760C
A581
X633
A571
99SD Inc YT 5
X654
99SD Inc YT 8
KS585
SS-560


Yield
(#/A)
5867
5862
5577
5563
5459
5427
5381
5186
5173
5136
5109
5073
5064
5059
5005
4928
4724
4646
4533
4415
3812
3766
3253

4957


50% Bloom'
 (days)
 66
 65
 63
 68
 67
 65
 66
 62
 67
 66
 74
 65
 66
 62
 60
 68
 64
 65
 70
 64
 73
 57
 56

 65


Plant Height
 (in)
 60
 57
 53
 65
 55
 55
 58
 56
 52
 52
 58
 51
 55
 48
 52
 55
 49
 50
 71
 50
 65
 45
 44

 55


Lodging2
 1.4
 1.4
 1.5
 1.3
 1.4
 1.4
 1.3
 1.4
 1.4
 1.4
 1.5
 1.4
 1.5
 1.4
 1.4
 1.4
 1.4
 1.4
 1.9
 1.5
 2.1
 1.5
 1.5

 1.5


Disease3
 3
 4
 4
 3
 3
 4
 3
 4
 4
 4
 4
 4
 4
 3
 4
 3
 4
 4
 3
 4
 3
 5
 6

 4