Table 2 Percentage mortality of Plutella xylostella larval instars (2nd and 3rd) at different concentrations of Metarhizium anisopliae at various time intervals by direct spraying and leaf immersion methods
Time intervals | Concentrations | L2 larval instar | L3 Larval instar | |
|---|---|---|---|---|
Methodology I | 120 h | 1×10^8 | 56.7bc | 45.5bcd |
1×10^7 | 45.7def | 42.3cde | ||
1×10^6 | 35.7fgh | 34.3efg | ||
1×10^5 | 21.1ij | 22.2hi | ||
1×10^4 | 20j | 18.9i | ||
144 h | 1×10^8 | 70a | 64.7a | |
1×10^7 | 58.9bc | 51.2bc | ||
1×10^6 | 50cde | 46.7bcd | ||
1×10^5 | 41.1efg | 38.9def | ||
1×10^4 | 33.1ghi | 31.1fgh | ||
Methodology II | 120 h | 1×10^8 | 50cde | 42.3cde |
1×10^7 | 45.3def | 37.7defg | ||
1×10^6 | 32.3gh | 31.3fgh | ||
1×10^5 | 20j | 17.8i | ||
1×10^4 | 18.9j | 16.8i | ||
144 h | 1×10^8 | 62.3ab | 55.7ab | |
1×10^7 | 53.3bcd | 47.7bcd | ||
1×10^6 | 44.3def | 41.3cdef | ||
1×10^5 | 36.7fgh | 33.3efg | ||
1×10^4 | 28.9hij | 27.8ghi |