## 3 Results
\begin{table}
\begin{tabular}{c c c} \hline \hline \multirow{2}{*}{**Experimental Treatment**} & **HAA** & **LAA** \\  & **(mmol Ascorbic Acid eq.** & **(mmol Trolox eq.** \\  & **100 g\({}^{-1}\) f.w.)** & **100 g\({}^{-1}\) f.w.)** \\ \hline
**Cultivar (Cv)** & & \\ Mars & 0.09 b & 1.95 \\ Naples & 0.24 a & 1.93 \\ Tricia & 0.09 b & 1.94 \\ Venice & 0.09 b & 1.96 \\ Olivetta & 0.09 b & 1.93 \\  & & n.s. \\ \hline
**Biostimulant formulation (B)** & & \\ Control & 0.09 b & 2.12 a \\ _Cystoseira tamariscifolia_ & 0.10 b & 1.92 ab \\ Protein hydrolysate & 0.10 b & 1.90 b \\ _Spirulina platensis_ & 0.19 a & 1.82 c \\ \hline
**Crop cycle (Cy)** & & \\ Autumn & 0.12 & 1.94 \\ Autumn–winter & 0.12 & 1.94 \\ Winter & 0.12 & 1.94 \\  & n.s. & n.s. \\ \hline
**Interaction** & & \\ \hline Cv \(\times\) B & n.s. & * \\ \hline Cv \(\times\) Cy & n.s. & n.s. \\ \hline B \(\times\) Cy & n.s. & n.s. \\ \hline f.w.: fresh weight; n.s.: not significant; *: significant at \(p<0.05\); values followed by different letters are significantly different at \(p<0.05\) (Tukey’s test). & \\ \hline \hline \end{tabular}
\end{table} 
Table 3: Effect of cultivar, biostimulant formulation, and crop cycle on the antioxidant activities in rocket leaves. the leaves supplied with _Spirulina platensis_ in the cultivars Olivetta and Tricia (by 25.0% and 25.4%, respectively). The application of _Spirulina platensis_ to the cultivar Mars plants fostered LAA, compared to the cultivars Olivetta and Tricia (+19.1% and +18.34%, respectively), whereas no significant differences were recorded between the cultivars either within each of the two other biostimulants or the untreated control. As for the mineral composition of rocket leaves (Table 4), significantly higher chloride content was detected in the cultivars Naples and Olivetta, compared to Mars; Mars and Naples showed higher values of potassium than Venice and Olivetta. The calcium content was higher in Tricia and Venice, compared to Olivetta. Sodium values were the highest in Tricia, although not significantly different from Mars. The cultivar Naples had the highest ammonium accumulation. As for the biostimulant treatments, the untreated control rocket leaves attained higher calcium content than the treatment with _Spirulina platensis_. The crop cycle affected all the mineral elements analyzed, with the rocket leaves grown in the autumn and winter cycles showing the highest contents of chloride and calcium, and those reared in the autumn-winter cycle attaining the highest levels of potassium, sodium, and magnesium. A significant interaction was recorded between cultivar and crop cycle on ammonium content in rocket leaves (Figure 8). Regarding the comparison between the crop cycles within each variety, the highest ammonium accumulation was recorded in the variety Mars in autumn, in Naples and Olivetta in autumn and winter, and in Venice in winter. No significant differences between the three crop cycles were recorded in the cultivar Tricia. Figure 7: Interaction between cultivar and biostimulant formulation on lipophilic antioxidant activity (LAA) in rocket leaves. Values followed by different letters are significantly different at \(p<0.05\) (Tukey’s test).