Table 2. Alkaloid analysis of individual Petite Havana plants transformed with CYP82E2, CYP82E3, and CYP82E4v1 constructs or the pBl121 vector control.

Sample	% Nicotine*	% Nornicotine*	% Conversion†
Vector control
2	0.673	0.018	2.6
8	0.605	0.014	2.3
10	0.694	0.017	2.4
CYP82E2
1	0.706	0.005	0.7
2	0.814	0.022	2.6
3	0.630	0.010	1.6
4	0.647	0.010	1.5
CYP82E3
1	0.761	0.011	1.4
2	0.507	0.009	1.7
4	0.653	0.015	2.2
5	0.643	0.013	2.0
6	0.521	0.007	1.3
7	0.716	0.015	2.1
8	0.701	0.027	3.7
CYP82E4v1
1	0.005	0.347	98.6
2	0.006	0.255	97.4
3	0.017	0.300	94.6
4	0.010	0.384	97.5

Green leaves were harvested and analyzed without treatment.

^*Percentage of leaf dry weight.

^†[% nornicotine/(% nicotine + % nornicotine)] × 100.