Effect of chemical mutagenic treatment (EMS) on some biochemical characteristics in Burley 21 and Virginia VK51 tobacco cultivars under drought stress conditions. bioscnc [Internet]. 2023 Feb. 27 [cited 2026 May 10];44(6):87-100. Available from: https://journal.latakia-univ.edu.sy/index.php/bioscnc/article/view/13375