Evaluation of the resistance of three maize varieties to Spodoptera frugiperda (J.E. Smith) and Ostrinia nubilalis Hübner in the Tonkpi region (Man, Côte d’Ivoire)

Bulletin of the National Research Centre

Table 2 Average number of healthy and attacked cobs and, the damage rate of maize plants by Ostrinia nubilalis larvae per 100 cobs harvested

Maize varieties	Average number of healthy cobs	Average number of damaged cobs	Damage rate (%)
EV8766 SR-MRP	90.33a ± 2.338	9.66b ± 2.338	9.66b
PR9131-SR	78.16b ± 5.307	21.83a ± 5.307	21.83a
CEEY-SR	82.50b ± 6.1887	17.50a ± 6.188	17.50a
F	6.516	9.516	9.516
p	0.002	0.002	0.002

SE Standard error
The means assigned to the same letter within the same column are not significantly different (Fisher test (LSD), p < 5%)