The book chapter titled "Leaf Senescence in Wheat (Triticum aestivum L.) Triggered by Drought Stress" has been published in the international volume “Agricultural Sciences: Techniques and Innovations. Vol. 2” (ISBN: 978-93-49970-01-4, DOI: 10.9734/bpi/asti/v2/5336). The chapter was co-authored by researchers from the Institute of Molecular Biology and Biotechnologies of the Ministry of Science and Education of the Republic of Azerbaijan: PhD in Biology, Associate Professor Samira Rustamova, PhD in Biology, Associate Professor Durna Aliyeva, researcher of the Bioadaptation Laboratory Turana Isgandarova, and academician Irada Huseynova. This chapter presents a comprehensive study of the molecular-genetic, biochemical, and physiological mechanisms of leaf senescence in drought-tolerant and drought-sensitive genotypes of both durum and bread wheat under stress conditions. The book was published by the international publishing house Book Publisher International and is available to researchers in open access.