Hello. The plants are suffering from an aphid attack. Against the aphids infesting the strawberries you can consider 1-2 treatments, at 7 days intervals, with an insecticide such as , in a dose of 5 ml/10 L water, by foliar spraying. In order to increase the effectiveness of the insecticide, you can add an adjuvant such as , in a dose of 2 ml/10 L to the solution (water + insecticide). It is important to prepare a volume of mixture corresponding to a single treatment (respecting the mentioned dosage), because the already prepared solution has a shelf life of no more than 24 hours.
Additionally, on the leaves of the strawberry there are symptoms specific to a leaf spot disease. Thus, it is recommended to remove the leaves with spots and treat with a broad spectrum fungicide such as , in a dose of 10 ml/10 L water, together with . The fungicide treatment can be carried out 5-7 days after the insecticide treatment has been completed.
Furthermore, to ensure their growth and fruiting, it is advisable to apply a fertilizer such as , as recommended on the label.