Figure 5
From: Genetic Factors for Enhancement of Nicotine Levels in Cultivated Tobacco

Leaf nicotine levels in T1 transgenic plants under non-topping or topping treatment.
DW%: dry weight percentage. Values are average of T1 transgenic plants (PCR positive, n = 15–30) with standard errors. Different letters indicate significant difference within each category (t-test, P < 0.05). VC: Vector Control; AOE: NtMYC2a overexpression; BOE: NtMYC2b overexpression.