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. 2002 Apr;68(4):1509–1515. doi: 10.1128/AEM.68.4.1509-1515.2002

TABLE 1.

LC50 values of Cry1 δ endotoxins administered to neonate and third-instar lepidoptera

Toxin Larvae M. sexta
LC50 (μg/ml) for P. brassicae M. brassicae
S. exigua
A. ipsilon
LC50 (μg/ml) % Mortal- ity % Weight loss LC50 (μg/ml) % Mortal- ity % Weight loss LC50 (μg/ml) % Mortal- ity % Weight loss LC50 (μg/ml) % Mortal- ity % Weight loss
Cry1J Neonatea 2.15 (1.85-2.58)c 5.23 (3.38-8.27) >150 5 83 34.99 (21.86-59.12) >200 12 48
Third instarb 5.09 (3.98-6.63) 76.42 (66.06-91.48) >150 0 3 52.94 (10.65-84.62) >200 0 4
Cry1Ca Neonate 0.889 (0.732-1.07) 12.97 (9.87-18.98) 3.5 (2.83-4.50) 23.84 (19.29-29.23) >200 0 3
Third instar 5.56 (4.15-7.61) 14.63 (9.71-21.62) >50 3 90 20.32 (5.88-36.46) >200 0 8
Cry1Ac Neonate 0.033 (0.022-0.049) 0.165 (0.12-0.27) >150 20 94 105.79 (82.63-160.8) >200 40 90
Third instar 1.24 (0.95-1.65) 0.872 (0.53-2.25) >150 20 34 116.16 (84.14-214.2) >200 0 16
Cry1Ba Neonate 42.40 (32.26-53.39) 0.20 (0.146-.273) >150 0 20 >150 0-10 0-40 >200 0 0
Third instar >150 0 84 0.306 (0.212-0.391) >150 0 0 >150 0-10 0-20 >200 0 0
a

BBMV were prepared from whole neonate larvae.

b

BBMV were prepared from whole third-instar larvae.

c

The values in parentheses are 95% confidence intervals.