Effect of spraying potassium silicate, boron and vitamin C on levels of antioxidant enzymes and phytohormones in the black French grape                              Vitis vinifera L. Euphrates journal of agricultural science, [S. l.], v. 15, n. 4, p. 306–320, 2023. Disponível em: https://ejs-agri.com/index.php/EJAS/article/view/178. Acesso em: 12 nov. 2026.