... allocation of carbonresources in both induced and constitutive defenses, leading toaltered herbivore resistance and plant growth [23]. Moreover,plant genotype and environmental conditions can interact ... interactions, respectively,F and B are the number of fertilization treatments and blocks, respec-tively, and σe2 is the residual variance. Approximate standard errors of individual and family heritabilities ... unfavourable correlations in terms of pleiot-ropy or /and linkage.Fertilization caused also an important effect on plant growth and weevil damage, the fertilized plants being the thickest and the most attacked...