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Table 3 Effects of essential oils on the insect biology and seed weight loss by Callosobruchus maculatus

From: Comparative evaluation of insecticidal properties of essential oils of some selected botanicals as bio-pesticides against Cowpea bruchid, Callosobruchus maculatus (Fabricius) [Coleoptera: Chrysomelidae]

Botanicals

Dose (ml)

Oviposition

Adult emergence

Weight loss (%)

Aframomum melegueta

0

180.33a

62.67a

7.73a

1

125.00ab

37.33ab

4.32b

3

91.00b

24.33b

2.98b

5

92.67b

14.33c

1.91c

Ficus exasperate

0

168.00a

68.67a

9.40a

1

155.67ab

38.67ab

4.89b

3

140.33b

29.33b

3.40b

5

129.33c

18.00c

2.48b

Tetrapleura tetraptera

0

165.67a

68.67a

7.62a

1

103.67b

38.67b

3.98b

3

105.67b

29.33b

2.33b

5

105.67b

18.00b

1.08c

Annona muricata

0

152.33a

61.00a

7.55a

1

143.67ab

34.67ab

4.53ab

3

120.67b

22.00b

2.93b

5

117.67b

3.67c

0.59c

Eucalyptus globules

0

159.33a

62.33a

8.69a

1

107.33ab

32.67b

4.05ab

3

115.33ab

23.67bc

2.30b

5

85.67b

15.33c

2.13b

  1. Means followed by the same letter along the column were not significantly different at 5% using Tukey’s test