|
Table
1. Cost of boll weevil control by district,
1992.
|
|
District
|
Material
Costs
|
Application
Costs
|
Total
Costs
|
|
|
---------------------$/acre-----------------------
|
|
I
|
5.14
|
3.39
|
8.53
|
|
II
|
15.39
|
10.40
|
25.79
|
|
III
|
11.93
|
7.76
|
19.69
|
|
IV
|
13.78
|
12.29
|
26.07
|
|
V
|
14.73
|
13.36
|
28.09
|
|
VI
|
11.38
|
8.68
|
20.06
|
|
Table
2. Percent of chemicals used for control of boll
weevils by class and district, 1992.
|
|
District
|
P
|
OP
|
OC/OP
|
C
|
BT
|
|
|
-----------------------%----------------------------
|
|
I
|
17.99
|
74.97
|
1.87
|
5.17
|
|
|
II
|
14.11
|
82.08
|
|
3.81
|
|
|
III
|
25.00
|
67.18
|
1.66
|
6.16
|
|
|
IV
|
9.23
|
85.90
|
|
4.87
|
|
|
V
|
14.18
|
80.57
|
|
5.25
|
|
|
VI
|
19.40
|
66.97
|
|
2.48
|
11.15
|
P =
Pyrethroid
OP = Organophosphate
OC/OP = Organochlorine/Organophosphate
C = Carbamate
BT = Biologicals
|
Table
3. Cost of bollworm/tobacco budworm control by
district, 1992.
|
|
District
|
Material
Costs
|
Application
Costs
|
Total
Costs
|
|
|
--------------$/acre-------------
|
|
I
|
56.42
|
12.39
|
68.81
|
|
II
|
28.27
|
6.19
|
34.47
|
|
III
|
43.41
|
10.57
|
53.98
|
|
IV
|
12.28
|
3.23
|
15.50
|
|
V
|
22.20
|
4.97
|
27.16
|
|
VI
|
33.69
|
7.14
|
40.83
|
|
Table
4. Percent of chemicals used for control of
bollworm/tobacco budworm by class and district,
1992.
|
|
District
|
P
|
OP
|
OC/OP
|
C
|
BT
|
|
|
-----------------------------
% --------------------------------
|
|
I
|
46.92
|
27.82
|
46
|
19.58
|
5.22
|
|
II
|
70.76
|
15.60
|
7.59
|
6.04
|
|
|
III
|
56.52
|
22.87
|
1.24
|
11.04
|
8.32
|
|
IV
|
70.11
|
12.79
|
7.98
|
9.12
|
|
|
V
|
67.95
|
22.44
|
9.60
|
|
|
|
VI
|
42.02
|
26.86
|
13.94
|
17.17
|
|
P =
Pyrethroid
OP = Organophosphate
OC/OP = Organochlorine/Organophosphate
C = Carbamate
BT = Biologicals
|
Table
5. Percent of chemicals used for control of aphids
by class and district, 1992.
|
|
District
|
P
|
OP
|
OC/OP
|
C
|
BT
|
|
|
----------------%--------------------
|
|
I
|
19.90
|
65.46
|
8.81
|
6.11
|
|
|
II
|
50.00
|
50.00
|
|
|
|
|
III
|
23.43
|
55.14
|
15.89
|
5.53
|
|
|
IV
|
33.33
|
66.67
|
|
|
|
|
V
|
|
|
|
50.00
|
50.00
|
|
VI
|
47.37
|
52.63
|
|
|
|
P =
Pyrethroid
OP = Organophosphate
OC/OP = Organochlorine/Organophosphate
C = Carbamate
BT = Biologicals
|
Table
6. Percent of expenditures attributed to control of
boll weevil, bollworm/tobacco budworm and other
insects, 1992.
|
|
District
|
Boll
Weevil
|
Bollworm/
Tobacco
Budworm
|
Other
Insects
|
|
|
----------------%---------------------
|
|
I
|
9.37
|
75.57
|
15.06
|
|
II
|
38.79
|
51.83
|
9.39
|
|
III
|
22.78
|
62.46
|
14.98
|
|
IV
|
53.30
|
31.69
|
15.14
|
|
V
|
44.09
|
42.64
|
13.27
|
|
VI
|
29.37
|
59.77
|
12.44
|
|
Table
7. Cost of control of all insects by district,
1992.
|
|
District
|
Material
Costs
|
Application
Costs
|
Total
Costs
|
|
|
----------------$/acre--------------------
|
|
I
|
71.57
|
19.48
|
91.05
|
|
II
|
48.22
|
18.29
|
66.50
|
|
III
|
63.63
|
22.80
|
86.42
|
|
IV
|
30.78
|
18.14
|
48.92
|
|
V
|
43.16
|
20.54
|
63.70
|
|
VI
|
50.09
|
18.21
|
68.30
|
|
Table
8. Average insect control costs for all acres of
target insect, Region 1 (North Delta),
1994.
|
|
Target
Insect
|
Material
Costs
|
Application
Costs
|
Total
Costs
|
|
|
------------$/acre------------
|
|
Boll
Weevil
|
9.02
|
4.40
|
13.42
|
|
Aphids
|
3.98
|
1.35
|
5.33
|
|
White
Fly
|
.14
|
.04
|
.17
|
|
Cut
Worm
|
1.79
|
.43
|
2.23
|
|
Beet
Armyworm
|
4.84
|
.96
|
5.80
|
|
Loopers
|
.62
|
.14
|
.76
|
|
Tarnished
Plant Bug
|
5.99
|
2.73
|
8.72
|
|
Bollworm/TBW
|
39.50
|
9.10
|
48.60
|
|
Thrips
|
6.24
|
4.03
|
10.27
|
|
Fall
Armyworm
|
.64
|
.11
|
.75
|
|
Other
|
.19
|
.04
|
.23
|
|
Total
|
72.95
|
23.34
|
96.29
|
|
Table
9. Average insect control costs for all acres of
target insect, Region 2 (South Delta),
1994.
|
|
Target
Insect
|
Material
Costs
|
Application
Costs
|
Total
Costs
|
|
|
-------------------------$/acre----------------------------
|
|
Boll
Weevil
|
15.22
|
10.72
|
25.94
|
|
Aphids
|
1.07
|
0.45
|
1.53
|
|
White
Fly
|
0.04
|
0.02
|
0.06
|
|
Cut
Worm
|
4.82
|
1.47
|
6.30
|
|
Beet
Armyworm
|
8.10
|
1.69
|
9.79
|
|
Loopers
|
0.68
|
0.15
|
0.83
|
|
Tarnished
Plant Bug
|
7.80
|
2.84
|
10.65
|
|
Bollworm/TBW
|
32.35
|
8.34
|
40.69
|
|
Thrips
|
6.14
|
3.60
|
9.74
|
|
Fall
Armyworm
|
0.81
|
0.21
|
1.02
|
|
Other
|
0.67
|
0.29
|
0.96
|
|
Total
|
77.73
|
29.78
|
107.50
|
|
Table
10. Average insect control costs, 1995, Zones 1 and
2.
|
|
Target
Insect
|
Material
Costs
|
Application
Costs
|
Total
Costs
|
|
|
-------------------------$/acre----------------------------
|
|
Aphids
|
6.52
|
2.39
|
8.91
|
|
Beet
armyworm,
Fall armyworm
|
2.92
|
.40
|
3.32
|
|
Boll
Weevil
|
6.02
|
3.72
|
9.74
|
|
Bollworm
|
6.47
|
1.26
|
7.73
|
|
Plant
bugs, fleahoppers,
lygusbugs
|
4.29
|
1.80
|
6.09
|
|
Spider
mites
|
.32
|
.06
|
0.38
|
|
Budworm
|
51.90
|
8.56
|
60.46
|
|
Thrips
|
10.24
|
1.17
|
11.41
|
|
Other
|
.62
|
.10
|
0.72
|
|
Total
|
89.30
|
19.46
|
108.76
|
|
Table
11. Average insect control costs, 1995, Zone
3.
|
|
Target
Insect
|
Material
Costs
|
Application
Costs
|
Total
Costs
|
|
|
-------------------------$/acre----------------------------
|
|
Aphids
|
1.42
|
.44
|
1.86
|
|
Beet
armyworm,
Fall armyworm
|
6.29
|
.71
|
6.99
|
|
Boll
weevil
|
13.98
|
10.14
|
24.12
|
|
Bollworm
|
8.67
|
1.75
|
10.42
|
|
Plant
bugs, fleahoppers,
lygusbugs
|
2.37
|
.84
|
3.21
|
|
Spider
mites
|
.07
|
.01
|
0.08
|
|
Budworm
|
63.13
|
10.65
|
73.78
|
|
Thrips
|
7.80
|
.86
|
8.66
|
|
Other
|
.25
|
.05
|
.30
|
|
Total
|
103.98
|
24.45
|
129.43
|
|
Table
12. Price of 1 lb/AI of commonly used insecticides
for cotton insect control, 1990-1995.
|
|
Insecticides
|
Class*
|
1990
|
1991
|
1992
|
1993
|
1994
|
1995
|
|
|
-----------------
$ --------------------
|
|
Dimethoate
|
OP
|
6.80
|
6.93
|
6.68
|
6.58
|
6.44
|
6.37
|
|
Methyl
parathion
|
OP
|
4.18
|
4.15
|
4.74
|
5.34
|
5.66
|
5.85
|
|
Vydate
|
C
|
14.70
|
14.06
|
16.50
|
17.96
|
31.78
|
29.97
|
|
Bidrin
|
OP
|
8.14
|
8.74
|
9.24
|
9.76
|
9.62
|
10.82
|
|
Orthene
|
OP
|
8.07
|
7.55
|
7.97
|
8.71
|
9.36
|
9.72
|
|
Larvin
|
C
|
13.76
|
13.94
|
13.89
|
14.25
|
14.47
|
14.77
|
|
Lannate
|
C
|
17.89
|
21.39
|
24.60
|
24.39
|
25.34
|
25.18
|
|
Curacron
|
OP
|
12.73
|
9.65
|
10.27
|
11.40
|
11.33
|
11.39
|
|
Bolstar
|
OP
|
7.91
|
8.41
|
9.13
|
9.66
|
9.72
|
10.28
|
|
Karate
|
P
|
174.64
|
187.90
|
208.70
|
220.88
|
226.87
|
223.14
|
|
Baythroid
|
P
|
154.17
|
166.31
|
184.98
|
193.28
|
198.19
|
198.83
|
|
Scout
|
P
|
238.04
|
260.13
|
283.65
|
299.18
|
304.20
|
301.11
|
|
Asana
|
P
|
142.22
|
152.53
|
166.80
|
178.86
|
183.90
|
185.54
|
|
Temik
|
C
|
17.38
|
17.61
|
18.40
|
19.60
|
19.68
|
20.31
|
*P =
Pyrethroid
OP = Organophosphate
OC/OP = Organochlorine/Organophosphate
C = Carbamate
BT = Biologicals
|