TABLE 2.
Probit analysis data from the bioassays of the recombinant strain Bt-pSTAB-cry10 spore-crystal complex and pure crystals and their synergism with Cyt1Aa pure crystals against fourth-instar larvae of Aedes aegypti
| Samplea | Exptl LC50 (FL) (ng/ml)b | Slope (±SE) | Expected LC50 (ng/ml)c |
|---|---|---|---|
| Cry10Aa s-c | 2,061 (1,451-2,927) | 1.05 (±0.15) | |
| Cry10Aa p-c | 239 (182-312) | 1.28 (±0.11) | |
| Cyt1Aa p-c | 739 (630-866) | 2.41 (±0.21) | |
| Cry10Aa s-c/Cyt1Aa p-c | 81.8 (73.7-91.2) | 3.49 (±0.31) | 1,088 |
| Cry10Aa p-c/Cyt1Aa p-c | 28.6 (26.1-31.3) | 4.46 (±0.46) | 362 |
a
s-c, spore-crystal complex; p-c, pure crystals; Cry10Aa s-c/Cyt1Aa p-c, combination of Cry10Aa s-c and Cyt1Aa p-c.
b
LC50 (FL), lethal concentration causing 50% mortality and its fiducial limits at P = 0.95.
c
Expected LC50 calculated by the method of Tabashnik (29).