|
. |
|
Table 7. Economic injury levels based on
the per-panicle number of adult rice stink bugs infesting sorghum at the milk or
soft-dough stages of kernel development. |
|
|
|
Control cost ($) per hectare |
Crop
market value ($) per hectare |
250 |
300 |
350 |
400 |
450 |
500 |
550 |
600 |
650 |
700 |
750 |
Infestation
beginning at the milk stage of kernel development |
15 |
7 |
6 |
6 |
6 |
5 |
5 |
5 |
4 |
4 |
4 |
3 |
20 |
8 |
7 |
7 |
6 |
6 |
6 |
5 |
5 |
5 |
4 |
4 |
25 |
8 |
8 |
7 |
7 |
6 |
6 |
6 |
5 |
5 |
5 |
4 |
30 |
9 |
8 |
8 |
7 |
7 |
6 |
6 |
6 |
5 |
5 |
5 |
Infestation
beginning at the soft-dough stage of kernel development |
15 |
9 |
8 |
8 |
7 |
7 |
6 |
6 |
6 |
5 |
5 |
5 |
20 |
10 |
9 |
9 |
8 |
8 |
7 |
7 |
6 |
6 |
6 |
5 |
25 |
12 |
11 |
10 |
10 |
9 |
9 |
8 |
8 |
7 |
7 |
6 |
30 |
13 |
12 |
11 |
10 |
10 |
9 |
9 |
8 |
8 |
7 |
7 |
|
|
 
|
|
|
|
Department of Entomology | Texas A&M University |
|
Copyright
© 1999 Teetes and Pendleton. Unauthorized reproduction and distribution prohibited. |
|
Comments
or Questions? | Web Design |
