Table 1 Concentration mortality response of Metarhizium rileyi to different larval instars of Helicoverpa armigera after 7 days of treatment
Larval instars | Conidial suspension/ml | Control | ||||||
|---|---|---|---|---|---|---|---|---|
108 | 107 | 106 | 105 | 104 | 103 | 102 | ||
1st | – | – | 83.33 | 76.67 | 53.33 | 36.67 | 20.00 | 0 |
2nd | – | – | 80.00 | 60.00 | 43.33 | 30.00 | 16.67 | 0 |
3rd | 83.33 | 66.67 | 56.67 | 43.33 | 33.33 | 20.00 | – | 0 |
4th | 76.67 | 66.67 | 56.67 | 40.00 | 26.67 | 16.67 | – | 0 |
5th | 53.33 | 46.66 | 36.66 | 23.22 | 20.00 | 13.33 | – | 0 |