Hello, the symptoms on the trunk are specific to the attack of buffalo treehopper (Buffalo treehopper (Ceresa bubalus) - pest management), and the holes on the leaves can be caused by caterpillars. In this case, you can apply treatments with insecticides such as , in a dose of 2 ml / 10 l water or , in a dose of 5 ml / 10 l water. You can apply 2 treatments, at intervals of 7 days between them. To increase the effectiveness of insecticides, it is recommended to add to the spray solution an adjuvant such as , in a dose of 2 ml / 10 l. Spray the solution as finely as possible so as to achieve a uniform distribution. Also, it’s important to apply treatments during the dormancy period (after the fall of the leaves). More information is presented in the following article (Winter treatments with oils and copper-based products). 10-12 days after the application of the treatments, it is recommended the regular administration of a fertilizer such as . It strengthens plants, increases their resistance to attack by phytopathogens and keeps pests at distance. The fertilizer is applied throughout the growing season, by foliar spraying, in a dose of 100 ml / 10 l of water. Starting with august, in order to increase the resistance of the trees to frost and other capricious conditions in the cold season, you can consider the administration of a granular fertilizer such as: . For more information about the specific care requirements of linden, you can consult our article (Linden, planting guide and care work).
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This reply was modified 2 years, 2 months ago by Armuro.
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This reply was modified 2 years ago by Armuro.
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This reply was modified 2 years ago by Armuro.
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This reply was modified 1 year, 2 months ago by Armuro.