Hameed Al- Da’mi BA. Study the effect of spraying of proline in the vegetative growth of the sun flower plant (Helianthus annuus L.) under different levels of water stress. JKAS [Internet]. 2017 Sep. 1 [cited 2024 May 9];4(3):106-11. Available from: https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/244