The paper aimed to demonstrate the impact of fertilization and foliar stimulation products both on increasing the resistance to major phytopathogens attacks. and on increasing the quantity and quality of wine grapes harvest. Applying the foliar fertilizer products Plonvit Kali (c1). Tytanit (c2) and Optysil (c3) to vines. https://www.majesticmalinois.com/product-category/hand-moisturiser/