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Table 3 Incidence of atoxigenic and toxigenic strains surveyed in all the 57 sites within the districts in Kenya

From: Distribution of indigenous strains of atoxigenic and toxigenic Aspergillus flavus and Aspergillus parasiticus in maize and peanuts agro-ecological zones of Kenya

District

Selected isolates surveyed

% toxigenic

% atoxigenic

Range of toxin yield per district (ng g−1)

Mean aflatoxin (ng g−1)

Toxigenic (N)

% B producers

% B & G producers

Kibwezi

9

44.4

55.6

4.0 × 103–4.23 × 106

1.53 × 106

4

50

50

Kwale

11

54.5

45.5

6.65 × 104–4.65 × 106

9.41 × 105

6

66.7

33.3

Makindu

8

25

75

1.742 × 104–9.157 × 105

4.67 × 105

2

50

50

Makueni

17

47.1

52.9

2.4 × 104–8.45 × 105

2.06 × 105

9

100

0

Msambweni

12

58.3

41.7

9.68 × 103–8.1 × 105

3.58 × 105

7

85.7

14.3

 

57a

45.86b

54.1b

   

70.5b

29.5b