COTTON LOSSES 1989
Table 1a. Promising pesticides screened in 1988 for control of cotton arthropod pests.
|
State |
Pesticide (lbs. AI/A) |
Target Pest |
|
Georgia
|
Ovasyn* (amitraz) Dimilin*(diflubenzuron) Andalin*(???) SN-49844 |
Heliothis eggsBeet armyworm suppression Beet armyworm suppression Heliothis eggs |
|
Mississippi
|
RH7988 25WP (.06) B. thuringiensis strains Vericillium Lecanni (106 spores/cm2) SN-49844 (0.125 and 0.25) |
Aphids Heliothis larvae Aphids Heliothis eggs |
|
Tennessee
|
Orthene*(acephate) (0.5, 0.75,1.0) Capture*(bifenthrin) (0.06) Baythroid* (cyfluthrin) (0.333) Curacron*(profenofos) (0.5) Swat*(phoshamidon) (0.25) Metasystox-R*(axydemetonmethyl) 0.25) |
Aphids, Thrips Aphids |
1 Other pesticides tested for supporting registration or recommendations for pest control may be found in the section: Research Progress and Accomplishments.
Table 1b. 1989 U.S. Cotton Crop Production. (Source: USDA Crop Reporting Service).
|
--Upland-- |
Acres Harvested |
Acres Harvested |
Per acre yield
|
Per acre yield
|
Production
|
Production |
|
|
(000's) |
(000's) |
(lbs/acre) |
(lbs/acre) |
000 480# bales |
000 480# bales |
|
|
1988 |
1989 |
1988 |
1989 |
1988 |
1989 |
|
STATE
|
||||||
|
Ala |
375 |
340 |
486 |
551 |
380 |
390 |
|
AZ |
349 |
239 |
1,190 |
1,305 |
865 |
650 |
|
ARK |
675 |
590 |
742 |
700 |
1,044 |
860 |
|
CALIF |
1,335 |
1,040 |
1,015 |
1,200 |
2,824 |
2,600 |
|
Fla. |
29 |
29 |
566 |
574 |
34 |
35 |
|
GA |
315 |
275 |
564 |
646 |
370 |
370 |
|
LA |
645 |
620 |
705 |
674 |
948 |
870 |
|
MISS |
1,190 |
1,050 |
736 |
709 |
1,825 |
1,550 |
|
MO |
237 |
209 |
620 |
609 |
306 |
265 |
|
NM |
69 |
66 |
710 |
618 |
102 |
85 |
|
NC |
124 |
110 |
515 |
589 |
133 |
135 |
|
OKLA |
435 |
330 |
334 |
276 |
303 |
190 |
|
SC |
142 |
115 |
473 |
647 |
140 |
155 |
|
TENN |
530 |
450 |
529 |
501 |
584 |
470 |
|
TEXAS |
5,300 |
3,700 |
472 |
363 |
5,215 |
2,800 |
|
other |
4 |
4 |
480 |
550 |
4 |
5 |
|
Total |
11,754 |
9,167 |
616 |
598 |
15,077 |
11,429 |
|
--Pima-- |
||||||
|
Ariz |
128 |
245 |
904 |
891 |
241 |
455 |
|
Calif |
2 |
19 |
853 |
960 |
3 |
38 |
|
N.M. |
18 |
27 |
634 |
640 |
24 |
36 |
|
Tex. |
42 |
75 |
769 |
805 |
67 |
125 |
|
TOTAL |
189 |
366 |
848 |
859 |
334 |
654 |
|
All Cotton |
11,943 |
9,533 |
619 |
608 |
15,412 |
12,083 |
Table 2. All States
|
Pest |
Acres infested |
Above treatment Thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
5865741 |
4783596 |
2.6 |
3.85 |
2.75 |
331466 |
|
Boll/budworms |
7478934 |
4683150 |
1.8 |
7.14 |
1.87 |
225115 |
|
Fleahoppers |
4404730 |
1032670 |
0.1 |
3.09 |
0.11 |
12951 |
|
Lygus bugs |
4072826 |
2346507 |
0.3 |
4.16 |
2.05 |
246667 |
|
Leaf perforator |
234000 |
109000 |
0.0 |
9.04 |
0.00 |
267 |
|
Pink bollworm |
416775 |
350505 |
0.2 |
8,94 |
0.14 |
16438 |
|
Spider mites |
2659204 |
1599112 |
0.2 |
11.02 |
1.11 |
133838 |
|
Thrips |
6581397 |
3593701 |
0.5 |
4.09 |
0.36 |
42782 |
|
Beet armyworms |
1194911 |
529996 |
0.1 |
10.47 |
0.15 |
18629 |
|
Fall armyworms |
584400 |
170336 |
0.0 |
7.80 |
0.03 |
3596 |
|
Minor pests |
1004227 |
371727 |
0.1 |
9.86 |
0.05 |
5741 |
|
Aphids |
6021428 |
3798381 |
0.8 |
5.06 |
0.55 |
65805 |
|
New pests |
319805 |
181705 |
0.0 |
8.96 |
0.03 |
3223 |
|
W Flower Thrips |
2198300 |
158857 |
0.0 |
7.36 |
0.03 |
3386 |
Acreage harvested: 9679129
Yield per acre: 1.24 Bales
Percent lost: 9.22
Dollars lost: 319,652,183
Cost per acre: 37.85
Table 3. Central Alabama
|
Pest |
Acres infested |
Above treatment Thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
66000 |
66000 |
8.0 |
2.50 |
6.00 |
4826 |
|
Boll/budworms |
66000 |
66000 |
4.0 |
4.80 |
2.00 |
1609 |
|
Fleahoppers |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Lygus bugs |
66000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
6000 |
2000 |
0.0 |
0.00 |
0.00 |
0 |
|
Thrips |
66000 |
3000 |
0.0 |
1.30 |
0.00 |
4 |
|
Beet armyworms |
30000 |
3000 |
0.0 |
8.50 |
0.00 |
0 |
|
Fall armyworms |
1000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Whiteflies |
10000 |
5000 |
0.0 |
7.50 |
0.01 |
6 |
|
Aphids |
66000 |
66000 |
1.5 |
3.00 |
0.00 |
0 |
|
New pests |
30000 |
30000 |
0.7 |
9.00 |
0.91 |
731 |
|
W Flower Thrips |
66000 |
1000 |
0.0 |
0.00 |
0.00 |
1 |
Acreage harvested: 66000
Yield per acre: 1.22 Bales
Percent lost: 8.92
Dollars lost: 2,067,039
Cost per acre:50.09
Table 4. North Alabama
|
Pest |
Acres infested |
Above treatment Threshold |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
204000 |
204000 |
5.4 |
2.20 |
4.00 |
10455 |
|
Boll/budworms |
204000 |
204000 |
3.1 |
4.55 |
4.00 |
10455 |
|
Fleahoppers |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Lygus bugs |
204000 |
1734000 |
1.9 |
1.60 |
5.10 |
13330 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
70000 |
20000 |
0.0 |
6.00 |
0.01 |
26 |
|
Thrips |
204000 |
20000 |
0.0 |
1.20 |
0.01 |
26 |
|
Beet armyworms |
50000 |
1000 |
0.0 |
8.50 |
0.00 |
0 |
|
Fall armyworms |
10000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Minor pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Aphids |
204000 |
110000 |
0.5 |
2.80 |
0.54 |
1409 |
|
New pests* |
40000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
W Flower Thrips |
204000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
Acreage harvested: 204000
Yield per acre: 1.28 Bales
Percent lost: 13.66
Dollars lost: 10,281,816
Cost per acre: 30.56
* Soybean loopers
Table 5. South Alabama
|
Pest |
Acres infested |
Above treatment Thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
70000 |
70000 |
15.0* |
3.00 |
0.00 |
0 |
|
Boll/budworms |
70000 |
700000 |
5.0 |
5.10 |
3.00 |
2844 |
|
Fleahoppers |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Lygus bugs |
70000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
5000 |
1000 |
0.0 |
0.00 |
0.00 |
0 |
|
Thrips |
70000 |
3000 |
0.0 |
1.30 |
0.00 |
4 |
|
Beet armyworms |
35000 |
30000 |
1.1 |
9.00 |
0.86 |
813 |
|
Fall armyworms |
5000 |
5000 |
0.0 |
0.00 |
0.00 |
0 |
|
Minor pests @ |
70000 |
17000 |
0.4 |
5.00 |
0.39 |
368 |
|
Aphids |
35000 |
70000 |
2.0 |
3.00 |
0.00 |
0 |
|
New pests # |
50000 |
45000 |
1.0 |
9.00 |
1.29 |
1219 |
|
W Flower Thrips |
70000 |
1000 |
0.0 |
0.00 |
0.00 |
1 |
Acreage harvested; 70000
Yield per acre: 1.35 Bales
Percent Lost: 5.54
Dollars Lost: 1,511,640
Cost per acre: 96.65
* All 15 applications by BWE.
@ European Corn borer - 1000 acres above threshold (% Reduction+ 1.0)
Stinkbugs - 10000 acres above threshold (% Reduction= 0.5)
Whiteflies - 6000 acres above threshold (% Reduction= 0.1)
# Soybean looper
Table 6. Arkansas, North of I-40
|
Pest |
Acres infested |
Above treatment Thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
330000 |
315000 |
3.3 |
4.65 |
0.83 |
4045 |
|
Boll/budworms |
290000 |
200000 |
0.6 |
7.55 |
0.43 |
2094 |
|
Fleahoppers |
30000 |
2500 |
0.0 |
3.20 |
0.00 |
0 |
|
Lygus bugs |
325000 |
80000 |
0.2 |
3.20 |
0.10 |
503 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
50000 |
120000 |
0.0 |
5.00 |
0.00 |
3 |
|
Thrips |
340000 |
280000 |
0.8 |
4.45 |
0.40 |
1954 |
|
Beet armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Fall armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Minor pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Aphids |
340000 |
190000 |
0.7 |
4.20 |
0.08 |
398 |
|
New pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
W Flower Thrips |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
Acreage harvested: 350000
Yield per acre: 1.40 Bales
Percent lost: 1.84
Dollars lost: 2,591,151
Cost per acre: 27.02
Table 7. Arkansas, South of I-40
|
Pest |
Acres infested |
Above treatment Thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
220000 |
140000 |
2.3 |
4.75 |
1.75 |
5635 |
|
Boll/budworms |
220000 |
220000 |
5.5 |
8.75 |
1.83 |
5903 |
|
Fleahoppers |
50000 |
5000 |
0.0 |
3.50 |
0.00 |
7 |
|
Lygus bugs |
200000 |
15000 |
0.1 |
3.50 |
0.02 |
50 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
20000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Thrips |
220000 |
220000 |
1.8 |
3.50 |
0.92 |
2952 |
|
Beet armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Fall armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Minor pests |
5000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Aphids |
200000 |
150000 |
0.6 |
1.60 |
0.63 |
2013 |
|
New pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
W Flower Thrips |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
Average harvested: 240000
Yield per acre: 1.34 Bales
Percent lost: 5.14
Dollars Lost:4,769,142
Cost per acre: 66.92
Table 8. Arizona
|
Pest |
Acres infested |
Above treatment thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
120000 |
100000 |
0.9 |
5.00 |
0.01 |
133 |
|
Boll/budworms |
300000 |
150000 |
0.7 |
10.00 |
0.20 |
2400 |
|
Fleahoppers |
60000 |
10000 |
0.0 |
9.00 |
0.00 |
3 |
|
Lygus bugs |
270000 |
190000 |
0.8 |
9.00 |
0.41 |
5067 |
|
Leaf perforator |
200000 |
100000 |
0.4 |
9.00 |
0.02 |
267 |
|
Pink bollworm |
320000 |
290000 |
3.2 |
9.00 |
1.32 |
16240 |
|
Spider mites |
140000 |
90000 |
0.2 |
12.00 |
0.04 |
480 |
|
Thrips |
350000 |
30000 |
0.1 |
7.00 |
0.00 |
8 |
|
Beet armyworms |
110000 |
90000 |
0.6 |
12.00 |
0.12 |
1440 |
|
Fall armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Whiteflies |
200000 |
190000 |
1.2 |
12.00 |
0.21 |
2533 |
|
Aphids |
30000 |
10000 |
0.0 |
9.00 |
0.00 |
13 |
|
New pests* |
40000 |
20000 |
0.1 |
9.00 |
0.00 |
53 |
|
W Flower thrips |
350000 |
30000 |
0.1 |
7.00 |
0.00 |
8 |
Average harvested: 460000
Yield per acre: 2.67 Bales
Percent Lost: 2.34
Dollars Lost: 8,249,856
Cost per acre: 76.93
*Mealybug
Table 9. California, San Joaquin valley
|
Pest |
Acres infested |
Above treatment Threshold |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Boll/budworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Fleahoppers |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Lygus bugs |
661500 |
535500 |
0.4 |
10.00 |
7.65 |
204661 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
976500 |
966000 |
1.4 |
12.00 |
4.60 |
123064 |
|
Thrips |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Beet armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Fall armyworms |
252000 |
122500 |
0.0 |
10.00 |
0.12 |
3121 |
|
Minor pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Aphids |
73500 |
2000 |
0.0 |
10.00 |
0.00 |
0 |
|
New pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
W Flower thrips |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
Acreage harvested: 1050000
Yield per acre: 2.55 Bales
Percent Lost: 12.37
Dollars lost: 95,283,930
Cost per acre: 20.37
Table 10. California, Southern Deserts
|
Pest |
Acres infested |
Above treatment Thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Boll/budworms |
15000 |
7500 |
0.3 |
10.00 |
0.25 |
210 |
|
Fleahoppers |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Lygus bugs |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Leaf perforator |
24000 |
9000 |
0.3 |
10.00 |
0.00 |
0 |
|
Pink bollworm |
30000 |
30000 |
6.0 |
10.00 |
0.06 |
50 |
|
Spider mites |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Thrips |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Beet armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Fall armyworms |
6000 |
2400 |
0.1 |
10.00 |
0.00 |
0 |
|
Whiteflies |
30000 |
1500 |
0.1 |
10.00 |
0.00 |
0 |
|
Aphids |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
New pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
W Flower Thrips |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
Acreage harvested: 30000
Yield per acre: 2.80 Bales
Percent Lost: 0.31
Dollars lost: 74,995
Cost per acre: 66.80
Table 11. Florida
|
Pest |
Acres infested |
Above treatment thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
26736 |
26736 |
1.0 |
35.00* |
1.70 |
544 |
|
Boll/budworms |
26736 |
26736 |
8.4 |
8.80 |
5.50 |
1758 |
|
Fleahoppers |
5300 |
600 |
0.0 |
6.00 |
0.00 |
1 |
|
Lygus bugs |
4700 |
800 |
0.0 |
7.80 |
0.01 |
2 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
6200 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Thrips |
23236 |
1350 |
0.0 |
8.75 |
0.04 |
11 |
|
Beet armyworms |
24636 |
24636 |
1.1 |
10.50 |
2.30 |
737 |
|
Fall armyworms |
24636 |
21136 |
0.2 |
8.75 |
0.47 |
152 |
|
Minor pests @ |
17700 |
5200 |
0.0 |
17.50 |
0.16 |
50 |
|
Aphids |
17700 |
14300 |
0.3 |
7.70 |
0.27 |
86 |
|
New pests # |
21500 |
11500 |
0.2 |
7.00 |
0.34 |
110 |
|
W Flower thrips |
21000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
Acreage harvested: 26736
Yield per acre: 1.20 Bales
Percent lost: 10.79
Dollars lost: 993,614
Cost per acre: 126.63
BWE cost to producers
@ Whiteflies - 5200 acres above threshold
European corn borer - 0 acres above threshold
# Soybean looper & Southern armyworm
Table 12. Georgia
|
Pest |
Acres infested |
Above treatment Thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
270000 |
270000 |
13.1 |
3.76* |
0.00 |
0 |
|
Boll/budworms |
275000 |
260000 |
4.3 |
6.75 |
4.73 |
19229 |
|
Fleahoppers |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Lygus bugs |
50000 |
25000 |
0.1 |
3.95 |
0.09 |
370 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
37500 |
25000 |
0.1 |
7.25 |
0.00 |
0 |
|
Thrips |
262500 |
250000 |
1.4 |
6.75 |
0.00 |
0 |
|
Beet armyworms |
175000 |
162500 |
2.1 |
9.00 |
2.95 |
12018 |
|
Fall armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Whiteflies |
100000 |
45000 |
0.2 |
4.50 |
0.00 |
0 |
|
Aphids |
225000 |
150000 |
1.6 |
3.88 |
0.55 |
2219 |
|
New pests @ |
100000 |
75000 |
0.4 |
9.00 |
0.27 |
1109 |
|
W Flower thrips |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
Acreage harvested: 275000
Yield per acre: 1.48 Bale
Percent lost: 8.59
Dollars lost: 10,064,250
Cost per acre:117.50
* Costs associated with BWE including federal contribution
@ Soybean looper
Table 13. Louisiana
|
Pest |
Acres infested |
Above treatment Thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
624849 |
608228 |
4.9 |
2.60 |
5.84 |
49951 |
|
Boll/budworms |
622262 |
608228 |
5.8 |
7.25 |
5.84 |
49951 |
|
Fleahoppers |
602110 |
456170 |
0.6 |
3.00 |
0.37 |
3122 |
|
Lygus bugs |
607220 |
488880 |
0.5 |
3.00 |
0.39 |
3346 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
318044 |
175072 |
0.2 |
7.30 |
0.06 |
479 |
|
Thrips |
620015 |
453345 |
0.7 |
2.45 |
0.15 |
1241 |
|
Beet armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Fall armyworms |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Minor pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Aphids |
512856 |
440029 |
1.1 |
3.75 |
0.70 |
6023 |
|
New pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
W Flower thrips |
342050 |
4000 |
0.0 |
4.10 |
0.00 |
0 |
Acreage harvested: 624849
Yield per acre: 1.37 Bales
Percent lost: 13.34
Dollars lost: 32,864,349
Cost per acre:65.57
Table 14. Mississippi Delta
|
Pest |
Acres infested |
Above treatment thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
724660 |
647260 |
4.3 |
2.36 |
4.52 |
48001 |
|
Boll/budworms |
813160 |
791160 |
5.2 |
6.26 |
4.81 |
51053 |
|
Fleahoppers |
90460 |
59000 |
0.1 |
1.45 |
0.07 |
754 |
|
Lygus bugs |
622010 |
547010 |
1.1 |
2.06 |
1.38 |
14621 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
141000 |
70500 |
0.1 |
6.56 |
0.12 |
1272 |
|
Thrips |
729700 |
639500 |
1.5 |
2.77 |
1.39 |
14764 |
|
Beet armyworms |
23500 |
11000 |
0.0 |
5.34 |
0.04 |
391 |
|
Fall armyworms |
37000 |
17500 |
0.0 |
5.04 |
0.03 |
282 |
|
Minor pests |
90000 |
48000 |
0.1 |
6.38 |
0.09 |
914 |
|
Aphids |
668700 |
587300 |
2.1 |
6.52 |
1.48 |
15702 |
|
New pests |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
W Flower thrips |
270000 |
0 |
0.0 |
0.00 |
0.00 |
0 |
Acreage harvested: 826660
Yield per acre: 1.28 Bales
Percent lost: 13.92
Dollars lost: 42,553,441
Cost per acre:64.42
Table 15. Mississippi Hills
|
Pest |
Acres infested |
Above treatment thresholds |
No. insecticide Applications |
Cost per Application |
% yield reduction |
Bales Lost |
|
Boll weevils |
265372 |
259672 |
8.2 |
2.15 |
12.86 |
39074 |
|
Boll/budworms |
256026 |
238326 |
3.4 |
5.48 |
3.84 |
11670 |
|
Fleahoppers |
15500 |
3500 |
0.0 |
3.88 |
0.03 |
95 |
|
Lygus bugs |
190876 |
135452 |
1.0 |
2.35 |
1.07 |
3244 |
|
Leaf perforator |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Pink bollworm |
0 |
0 |
0.0 |
0.00 |
0.00 |
0 |
|
Spider mites |
37610 |
7000 |
0.1 |
8.86 |
0.06 |
197 |
|
Thrips |
228426 |
171616 |
1.0 |
3.41 |
0.68 |
2071 |
|
Beet armyworms |
23035 |
1000 |
0.0 |
8.00 |
0.01 |
35 |