Figure 4

Resistance ratios to buprofezin (A), chlorpyrifos (B), pymetrozine (C) and flufiprole (D) of Nilaparvata lugens populations during 2012–2016.
Resistance ratios to buprofezin (A), chlorpyrifos (B), pymetrozine (C) and flufiprole (D) of Nilaparvata lugens populations during 2012–2016.