Table 3.

Mortality of Mythimna separata neonate larvae to combinations of Cry and Vip protoxins.

Toxins	Proportion	Concentration (μg/g)	n	Mortality ± SE (%)		p
				Observed	Expected
Cry1Ac/Vip3Aa16	0.56/0.44	2.5	144	55.6 ± 0.9	50	0.69
Cry1Ac/Vip3Ca	0.56/0.44	1.8	144	48.3 ± 0.2	50	0.83
Cry2Aa/Vip3Aa16	0.50/0.50	3.4	144	57.8 ± 0.1	50	0.35
Cry2Aa/Vip3Ca	0.50/0.50	2.2	144	69.8 ± 0.3	50	0.02

n, Number of larvae tested. SE, Standard error. p, Probability value based on χ²-test.