Table 3.

Fold change in expression of CYP6AY1 in five imidacloprid‐resistant N. lugens strains compared with the susceptible reference Bayer‐S as determined by quantitative real‐time PCR

Strain	Fold change ($2^{-\Delta \Delta C_{\mathrm{t}}}$)	95% confidence level
Bayer‐S	1.06	0.45
NL9	0.30	0.10
NL9‐180	0.20	0.28
NL39	0.25	0.06
NL39‐200	0.50	0.34
NL59	0.78	0.35