Skip to main content

Table 3 Percentage mortality of D. maculatus adults treated with V. amygdalina and T. diversifolia leaf powder

From: Responses of two plant-derived bioinsecticides as protectants of smoke-dried catfish, Clarias gariepinus [Pisces: Clariidae] against hide beetle, Dermestes maculatus (De Geer) [Coleoptera: Dermestidae]

Exposure time (hours) Plant powders Mortality percentage (mean ± SE)
Concentration (g)/100 g of smoked catfish
1 3 6 9 12
24 T. diversifolia 22.50 ± 1.35bc 37.50 ± 2.25bc 50.00 ± 3.04bc 57.50 ± 3.25bc 80.00 ± 3.04b
  V. amygdalina 12.50 ± 1.35b 27.50 ± 2.25b 40.00 ± 2.04b 50.00 ± 3.04b 72.50 ± 3.35b
48 T. diversifolia 32.50 ± 2.35 cd 47.50 ± 2.25 cd 62.50 ± 3.35 cd 72.50 ± 3.25c 87.50 ± 3.2bc
  V. amygdalina 27.50 ± 2.25c 40.00 ± 2.04bc 57.50 ± 3.25c 67.50 ± 3.25c 82.50 ± 3.35b
72 T. diversifolia 47.50 ± 3.25ef 62.50 ± 3.35de 77.50 ± 3.25ef 87.50 ± 3.25d 97.50 ± 2.25 cd
  V. amygdalina 40.00 ± 2.04de 57.50 ± 3.25d 70.00 ± 3.04de 82.50 ± 3.35d 92.50 ± 3.35 cd
96 T. diversifolia 57.50 ± 3.25f 80.00 ± 3.04f 87.50 ± 3.25f 97.50 ± 2.25d 100.00 ± 0.00d
  V. amygdalina 50.00 ± 3.04f 70.00 ± 3.04ef 82.50 ± 3.35f 92.50 ± 3.35d 97.50 ± 2.25d
  Control 00.00 ± 0.00a 00.00 ± 0.00a 00.00 ± 0.00a 00.00 ± 0.00a 00.00 ± 0.00a
  1. Mean followed by the same letters within the same column are not significantly different (P >0.05)
\