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Table 2 Mortality of C. maculatus exposed to four Agro wastes powder

From: Phytochemical compositions and insecticidal efficacy of four agro-waste used as biological control of cowpea beetle, Callosobruchus maculatus (Fab.) [Coleoptera: Bruchidae]

Agro waste treatments powders

Conc. (g)

Mean % mortality ± S.E

24 h

48 h

72 h

96 h

Rice husk

0.1

30.00 ± 0.00bc

33.33 ± 3.33b

40.67 ± 3.33bcd

50.00 ± 5.77bc

Groundnut pod

 

30.00 ± 0.00bc

36.67 ± 3.33bc

43.33 ± 3.33bc

50.00 ± 0.00bc

Cowpea pod

 

36.67 ± 3.33bcde

40.00 ± 0.00bcd

50.00 ± 5.77bcde

53.33 ± 3.33bcd

Maize cob

 

26.67 ± 3.33b

33.33 ± 3.33b

40.00 ± 0.00b

46.67 ± 3.33b

Rice husk

0.2

33.33 ± 3.33abc

40.00 ± 0.00bcd

53.33 ± 3.33bcdef

60.00 ± 5.77bcde

Groundnut pod

 

50.00 ± 0.00fghi

46.67 ± 6.67cde

50.00 ± 5.77bcde

60.00 ± 5.77bcde

Cowpea pod

 

50.00 ± 0.00fghi

50.00 ± 5.77def

56.67 ± 3.33cdefgh

70.00 ± 0.00efgh

Maize cob

 

30.00 ± 0.00bc

40.00 ± 0.00bcd

46.67 ± 3.33bcd

53.33 ± 3.33bcd

Rice husk

0.3

46.67 ± 3.33efgh

50.00 ± 0.00def

56.67 ± 3.33cdefgh

66.67 ± 3.33defg

Groundnut pod

 

53.33 ± 3.33ghij

53.33 ± 3.33efg

56.67 ± 6.67cdefgh

63.33 ± 3.33cdef

Cowpea pod

 

53.33 ± 3.33ghij

56.67 ± 3.33efgh

60.00 ± 0.00defgh

70.00 ± 0.00efgh

Maize cob

 

43.33 ± 3.33defg

50.00 ± 0.00def

53.33 ± 3.33bcdef

60.00 ± 0.00bcde

Rice husk

0.4

56.67 ± 3.33hijk

60.00 ± 0.00fgh

63.33 ± 3.33efgh

70.00 ± 0.00efgh

Groundnut pod

 

56.67 ± 3.33hijk

60.00 ± 5.77fgh

66.67 ± 3.33fgh

73.33 ± 3.33efgh

Cowpea pod

 

60.00 ± 5.77ijk

63.33 ± 3.33gh

66.67 ± 3.33fgh

76.67 ± 6.67fgh

Maize cob

 

53.33 ± 3.33ghij

60.00 ± 0.00fgh

63.33 ± 8.82efgh

66.67 ± 3.33defgh

Rice husk

0.5

63.33 ± 3.33jk

63.33 ± 3.33gh

70.00 ± 0.00ghi

76.67 ± 6.67fgh

Groundnut pod

 

60.67 ± 3.33 k

63.33 ± 3.33gh

73.33 ± 3.33hi

80.00 ± 5.77gh

Cowpea pod

 

63.33 ± 3.33jk

66.67 ± 6.67h

80.00 ± 5.77i

83.33 ± 8.82gh

Maize cob

 

60.00 ± 5.77ijk

63.33 ± 3.33gh

63.33 ± 3.33efgh

73.33 ± 3.33efgh

Control

 

0.00 ± 0.00a

0.00 ± 0.00a

0.00 ± 0.00a

0.00 ± 0.00a

  1. Mean followed by the same letters within the same column are not significantly different (p > 0.05)