Table 7

Influence of season on the population pressure (%) of Zonocerus variegatus on annual and perennial crops in the humidforest zones of Southern Cameroon.

Crops

AECD-Blocks

Long dry season

Short rainy season

Short dry season

Long rainy season

p-value


Annual Crop

Yaoundé

72

4

16

9

<0.0001

Mbalmayo

70

7

11

13

<0.0001

Ebolowa

64

10

27

0

<0.0001

p-value

NS

NS

NS

NS

Means

69

7

18

7

<0.0001


Young Perennial Crops

Yaoundé

25

3

12

1

<0.05

Mbalmayo

36

5

10

10

<0.05

Ebolowa

63

9

29

0

<0.0001

p-value

<0.05

NS

<0.05

NS

Means

41

5

17

4

<0.0001


Female


Annual Crop

Yaoundé

76

1

13

10

0.0054

Mbalmayo

68

5

12

15

0.0071

Ebolowa

67

9

24

0

0.0015

p-value

NS

NS

NS

NS

Means

69

5

16

8

<0.0001


Young Perennial Crops

Yaoundé

15

0

5

0

NS

Mbalmayo

31

6

13

10

NS

Ebolowa

69

4

27

0

0.0017

p-value

NS

NS

NS

NS

Means

38

3

15

3

0.0014


Male


Annual Crop

Yaoundé

68

6

19

7

0.0061

Mbalmayo

72

9

9

10

0.0080

Ebolowa

61

10

29

0

0.0015

p-value

NS

NS

NS

NS

Means

67

8

19

6

<0.0001


Young Perennial Crops

Yaoundé

34

6

18

2

NS

Mbalmayo

40

3

7

9

NS

Ebolowa

57

13

30

0

0.0017

p-value

NS

NS

NS

NS

Means

44

7

18

4

0.0002


The values are averages of the scores for 10 groups of farmers (5 male and 5 female groups) interviewed per AECD-Blocks; p-value is the significance levels of a non parametric test of Kruskal-Wallis; NS = nonsignificant (p > 0.05); AECD-Blocks = Agro-Ecological, Cultural and Demographic Blocks.

Kekeunou et al. Journal of Ethnobiology and Ethnomedicine 2006 2:17   doi:10.1186/1746-4269-2-17

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