Gul, Humaira, Mamoona Rauf, Khushnood ur Rehman, Yaseen Khan, Tabassum Yaseen, Kamran Akbar, Salma Noreen, and Muhmmad Ishfaq. “Foliar Application of Putricine Enhances Salt Stress Tolerance in Sunflower (Helianthus Annuus)”. Journal of Pure and Applied Agriculture 6, no. 2 (May 29, 2023). Accessed November 2, 2025. https://ojs.aiou.edu.pk/index.php/jpaa/article/view/1061.