Fig. 2From: Insecticidal and repellent effects of Mentha longifolia L. essential oil against Aphis craccivora Koch (Hemiptera: Aphididae)Mean cumulative mortality rates of A. craccivora adults recorded following the treatments with essential oil of M. longifolia. The same upper and lower-case letters above the bars indicate no significant difference between the concentrations and the time, respectively. The bar represents a standart deviation (SD)Back to article page