Open Access
Tableau 1
Taux moyens d'infestation de la culture du mil par le lépidoptère Heliocheilus albipunctella De Joannis en 2015 et 2016.
Average infestation of pearl millet crops by lepidoptera Heliocheilus albipunctella De Joannis in 2015 et 2016.
| Proportion des épis de mil infestés par la MEM (%) | ||||
|---|---|---|---|---|
| Régions | n | 2015 | n | 2016 |
| Dosso | 64 | 19,68 ± 2,45ab | 45 | 10,80 ± 0,70a |
| Maradi | 52 | 11,30 ± 1,31a | 45 | 10,42 ± 1,41a |
| Tahoua | 77 | 31,80 ± 3,71b | 46 | 19,07 ± 1,81b |
| Tillabéry | 51 | 31,82 ± 0,84b | 48 | 14,92 ± 0,73b |
| Zinder | 52 | 20,70 ± 0,4ab | 50 | 15,70 ± 1,59b |
| ANOVA | F = 8,51 ; dl = 4/221 ; P ˂ 0,001 | F = 596,99 ; dl = 4/233 ; P ˂ 0,001 | ||
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