Région

Mais

Mil

Sorgho

Sésame

Test

Dosso

53.6 ± 5.2^ab

-

-

-

-

Tahoua

45 ± 2.7^a

68 ± 4

47.2 ± 11.5

-

F = 3.4; P = 0.06

Maradi

58 ± 7.3^b

62 ± 1^b

62.25 ± 8.8^b

9.7 ± 2^a

F = 42.5; P< 0.001

Zinder

60 ± 10^b

45.7 ± 7.8

-

-

t = 3.7; P = 0.001

Test

F = 3.2; P = 0.03

F = 6.86; P = 0.08

t = 3.6; P = 0.001

-

-