Effect of spraying potassium silicate, boron and vitamin C on levels of antioxidant enzymes and phytohormones in the black French grape                              Vitis vinifera L. EJAS [Internet]. 2023 Dec. 25 [cited 2026 Nov. 13];15(4):306-20. Available from: https://ejs-agri.com/index.php/EJAS/article/view/178