Significative differences of photosynthetic parameters on <i>L</i>. <i>sativa</i> adult plants treated with <i>E</i>. <i>globulus</i> aqueous extract by spraying vs. watering.

<p>Positive (+) and negative (-) signs indicate increase or decrease with respect to the control. The number of signs indicates the level of statistical significance: one, <i>P</i> ≤ 0.05; two, <i>P</i> ≤ 0.01; three, <i>P</i> ≤ 0.001; independent samples <i>t</i>-test.