Imidacloprid standard volume (μl) Concentration¬† (μg) Average spot diameter (mm)
0 0 0
2 μl (1 spot) 21 2.2
4 μl (2 spots) 42 2.4
6 μl (3 spots) 63 2.6
8 μl (4 spots) 84 2.8
10 μl (5 spots) 105 3
Table 5: Spot diameter versus concentration for Imidacloprid.