Inspection date conc. | January | February | March | April | May | June | July | August | September | October | November | December | Total/year | Average/year* | Infestation (%) | Corrected (%) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Control | 7 | 5 | 11 | 26 | 44 | 72 | 81 | 71 | 71 | 39 | 13 | 10 | 450 | 37.5 ± 8.5a | ||
1000 ppm | 7 | 8 | 11 | 20 | 22 | 40 | 32 | 38 | 30 | 22 | 16 | 10 | 256 | 21.33 ± 3.33b | 56.89 | 43.11 |
2000 ppm | 8 | 10 | 13 | 22 | 28 | 36 | 30 | 28 | 36 | 19 | 12 | 6 | 248 | 20.67 ± 3.13b | 55.11 | 44.89 |
3000 ppm | 7 | 11 | 20 | 32 | 22 | 30 | 26 | 34 | 28 | 28 | 17 | 5 | 260 | 21.67 ± 2.83b | 57.78 | 42.22 |