Akroud, H., Sbaghi, M., Bouharroud, R., Koussa, T., Boujghagh, M., & El Bouhssini, M. 2021 Antibioisis and antixenosis resistance to Dactylopius opuntiae (Hemiptera: Dactylopiidae) in Moroccan cactus germplasm. Phytoparasitica doi.org/10.1007/s12600-021-00897-w

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Notes: The objectives of this study were to identify the resistant genotypes and to determine the mechanism of resistance in 10 D. opuntiae-resistant cactus genotypes. Genotype 295 had the highest number of dead nymphs, indicating a strong effect of antibiosis to D. opuntiae. Our study showed that both categories (antibiosis, antixenosis) play a role in resistance of the Moroccan cactus ecotypes.