Table 3 Percentage (±i) respondent relative to major pests as barriers to increase maize production in Fako Division of South Western Cameroon

Stem borers

94.3 ± 3.7a

97.5 ± 2.5a

70.5 ± 7.3b

65.6 ± 7.6b

<0.0001

82.1 ± 6.1

Weevils

5.7 ± 3.7b

10.0 ± 4.8b

13.6 ± 5.5b

40.6 ± 7.8a

<0.0001

16.6 ± 5.9

Snails

2.9 ± 2.7b

0

18.2 ± 6.2a

3.1 ± 2.8b

<0.0001

6.6 ± 3.9

Thieves (Human)

0

7.5 ± 4.2

0

0

<0.0001

1.9 ± 2.2

White grubs

2.9 ± 2.7b

0

13.6 ± 5.5b

37.5 ± 7.7a

<0.0001

11.9 ± 5.2

Birds

2.9 ± 2.7b

5.0 ± 3.5b

4.6 ± 3.3b

25 ± 6.9a

<0.0001

8.6 ± 4.5

Stem borers

100a

95.8 ± 3.2a

71.4 ± 7.2b

70.6 ± 7.3b

<0.0001

83.6 ± 5.9

Weevils

0

12.5 ± 5.3b

11.9 ± 5.2b

41.2 ± 7.9a

<0.0001

13.6 ± 5.5

Snails

0

0

16.7 ± 5.9

0

<0.0001

6.4 ± 3.9

Thieves (Human)

0

4.2 ± 3.2

0

0

<0.0001

0.9 ± 1.5

White grubs

0

0

14.3 ± 5.6b

47.1 ± 7.9a

<0.0001

12.7 ± 5.3

Birds

0

8.3 ± 4.4b

4.8 ± 3.4b

17.7 ± 6.1a

<0.0001

6.4 ± 3.9

Stem borers

75 ± 6.9b

100a

50 ± 7.9c

60 ± 7.8b

0.0003

78.1 ± 6.6

Weevils

25 ± 6.9b

6.3 ± 3.9b

50 ± 7.9a

40 ± 7.8a

0.0010

24.4 ± 6.8

Snails

12.5 ± 5.3b

0

50 ± 7.9a

6.7 ± 3.9b

<0.0001

7.3 ± 4.2

Thieves (Human)

0

12.5 ± 5.3

0

0

<0.0001

4.9 ± 3.4

White grubs

12.5 ± 5.3a

0

100

26.7 ± 7.1a

<0.0001

9.8 ± 4.7

Birds

12.5 ± 5.3b

0

0

33.3 ± 7.5a

<0.0001

14.6 ± 5.6