Table 2. Accumulated pupation (%) and mortality (%) of Helicoverpa armigera larvae fed on the non-Bt and Bt diet during the whole last larval instar or for three days with the Bt diet and then with the non-Bt diet during the rest of the instar (Bt3d-nonBt).

	% pupation			% mortality
	Non-Bt	Bt	Bt3d- non-Bt	Non-Bt	Bt	Bt3d- non-Bt
L6d5	0.0	0.0	0	0.0	12.5	0
L6d6	9.1	0.0	0	4.5	16.7	0
L6d7	45.5	4.2	4	4.5	16.7	0
L6d8	72.7	8.3	16	4.5	20.8	0
L6d9	90.9	12.5	64	4.5	20.8	4
L6d10	95.5	16.7	92	4.5	37.5	4
L6d11		16.7	92		50.0	4
L6d12		16.7	92		66.7	4
L6d13		16.7	92		83.3	4
L6d14		16.7	94		83.3	4