Table 1

Relative importance (%) of the main insect pests on annual and perennial crops in the humid forest zone of Southern – Cameroon.

All


Crops

AECD-Blocks

Termites

Borers

Caterpillars (Without Borers)

Aphids

Mirids

Scales Insects

Variegated grasshopper

Bugs (Without Mirids)

p-value


Annual crops

Yaounde

9

16

9

10

6

19

16

14

<0.001

Mbalmayo

2

21

10

9

7

22

16

13

<0.0001

Ebolowa

4

22

12

13

5

17

14

15

<0.0001

p-value

<0.05

NS

NS

NS

NS

NS

NS

NS

Mean

5

20

10

11

6

20

15

14

<0.0001


Young Perennial Crops

Yaoundé

14

14

12

11

21

18

7

5

<0.01

Mbalmayo

1

19

19

10

28

13

8

2

<0.0001

Ebolowa

3

22

14

14

28

5

11

4

<0.0001

p-value

<0.001

NS

NS

NS

NS

<0.05

NS

NS

Mean

6

18

15

11

25

12

9

4

<0.0001


Female


Annual crops

Yaounde

11

16

9

13

9

19

12

14

NS

Mbalmayo

3

21

10

12

9

22

12

13

0.0386

Ebolowa

5

22

11

14

3

17

14

16

0.0236

p-value

NS

NS

NS

NS

NS

NS

NS

NS

Mean

6

19

10

13

7

19

12

14

<0.0001


Young Perennial Crops

Yaoundé

14

15

7

14

18

23

3

11

NS

Mbalmayo

2

21

19

10

29

14

2

5

0.0005

Ebolowa

4

21

15

15

22

7

13

4

NS

p-value

NS

NS

NS

NS

NS

NS

NS

NS

Mean

7

19

14

13

23

15

6

6

<0.0001


Male


Annual crops

Yaounde

7

17

10

8

3

20

21

15

0.0072

Mbalmayo

2

21

10

7

6

23

20

13

0.0003

Ebolowa

3

23

13

12

7

17

14

14

0.0002

p-value

NS

NS

NS

NS

NS

NS

NS

NS

Mean

4

20

11

9

5

20

18

14

<0.0001


Young Perennial Crops

Yaoundé

14

13

16

8

24

13

11

3

0.0404

Mbalmayo

0

18

19

10

27

13

12

2

0.0007

Ebolowa

3

24

13

12

33

2

10

4

0.0006

p-value

0.008

NS

NS

NS

NS

NS

NS

NS

Mean

6

18

16

10

28

9

11

3

<0.0001


The values are averages of the scores for 10 groups (5 male and 5 female groups) of farmers interviewed per block; p-value is the significance levels of a non parametric test of Kruskal-Wallis; NS = no significant (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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