TABLE 1.
ST50s of pea aphids feeding on solubilized Cry toxins and solubilized Cry toxins activated with trypsin
Toxin | Mean ST50a ± SE (days) at dose of:
|
||
---|---|---|---|
32 mg/ml | 125 mg/ml | 500 mg/ml | |
Cry1Ab | |||
Solubilized | NL | >8 | >8 |
Trypsinized | NL | >8 | >8 |
Cry3A | |||
Solubilized | NL | >8 | >8 |
Trypsinized | NL | >8 | 3.7 ± 1.2 |
Cry4A | |||
Solubilized | NL | >8 | 1.8 ± 0.14 |
Trypsinized | >8 | 1.8 ± 0.15 | 1.9 ± 0.17 |
Cry11A | |||
Solubilized | NL | >8 | 1.8 ± 0.14 |
Trypsinized | NL | >8 | 2.5 ± 0.10 |
NL, nonlethal; >8, survival for >8 days.