Infection rates (%)

Agro-ecological zones

Af

An

Mp

Fo

Rsp

Pn

Rs

Cs

Asp

En

Sahelian zone

56.55a

20.35a

30.66b

9.850b

32.80a

1.85a

0.06a

0.00a

0.05a

0.01a

Sudano-sahelian zone

25.33b

17.1ab

50.66a

18.88a

19.87b

1.59a

0.03a

0.37a

0.22a

0.003a

Sudanian zone

24.12b

14.48b

51.45a

15.03b

17.70b

2.84a

0.14a

0.24ab

0.06a

0.00a

Average

34.85

17.44

44.55

59.91

23.02

2.00

0.72

0.22

0.12

0.04

Infected samples (%)

Agro-ecological zones

Af

An

Mp

Fo

Rsp

Pn

Rs

Cs

Asp

En

Sahelian zone

100

100

93.5

57.50

75

17.5

7.50

00

2.50

2.50

Sudano-Sahelian zone

100

94.44

94.44

85.18

59.25

16.66

12.96

12.96

3.70

1.8

Sudanian zone

100

93.93

87.87

84.87

72.72

36.36

18.18

6.06

3.03

00