List of contributors vii 1 Roles of Brassinosteroids in Plant Growth and Development: A Revisit 1 Vimal Pandey, Amar Kumar Muska, Raju Mallick, Neha Behar, Anjali Srivastava, Arya Srivastava, Ritu Badgujar, Sahil Mehta, and Om Prakash Narayan 2 Brassinosteroid-mediated Regulation of Plant Biology: An Omics Approach 35 Indu Sharma, Ashish Sharma, Ajay Sharma, Vikas Sharma, Pooja Sharma, Sonika Sharma, Rasha S. El-Serafy , Renu Bhardwaj, and Ashutosh Sharma 3 Regulation of Plant Primary Metabolism by Brassinosteroids Under Abiotic Stress 63 Slimane Mokrani and El Hafid Nabti 4 Regulation of Plant Secondary Metabolism by Brassinosteroids Under Abiotic Stress 89 Dhriti Sharma, Bharat Kapoor, and Dhriti Kapoor 5 Brassinosteroids Improve Resilience Against Nutritional Stress: Dissecting the Responses in Crops 119 Allan Klynger da Silva Lobato, Roberto Rivelino do Nascimento Barbosa, Leidy Alves dos Santos, Lorene Bianca Araújo Tadaiesky, and Ynglety Cascaes Pereira 6 Role of Brassinosteroids on Postharvest Physiology of Plants 139 Naveed Mushtaq, Muhammad Ahsan Altaf , and Zhiwei Wang 7 Brassinosteroid-mediated Physiological and Molecular Mechanisms in Plants Under Heavy Metal Stress 159 Deepak Kumar, Mohd Ali, Raman Tikoria, Parkirti, Roohi Sharma, Vikram, Rajesh Kumari Manhas, Harish Changotra, and Puja Ohri 8 Brassinosteroid-mediated Physiological and Molecular Mechanisms in Plants Under Heat Stress 187 Neetu Jagota, Swapnil Singh, Ravneet Kaur, Harleen Kaur, and Ashish Sharma 9 Brassinosteroids Biology in Plants Under Salt Stress: Physiological and Molecular Aspects 207 Muhammad Ahsan Altaf and Riaz Ahmad 10 Brassinosteroids Biology in Plants Under Pesticide Stress: Physiological and Molecular Aspects 223 Palak Bakshi, Pooja Sharma, Sukhmeen Kaur Kohli, Dhriti Kapoor, Nahida Rehman Mir, Nitika Kapoor, and Renu Bhardwaj 11 Brassinosteroids Biology in Plants Under Drought Stress: Physiological and Molecular Aspects 245 Muhammad Ahsan Altaf, Ravinder Kumar, Milan Kumar Lal, Rahul Kumar Tiwari, Hafiza Muniba Din Muhammad, and Riaz Ahmad 12 Illuminating Insight: Exploring Brassinosteroid Biology in Plants Amidst High Light and UV Exposure 257 Sukhmeen Kaur Kohli, Harsimran Kaur, Pooja Sharma, Priyanka Sharma, Manu Sharma, Shalini Dhiman, Nikita Kapoor, and Renu Bhardwaj 13 Brassinosteroids: Fascinating Roles on Stomatal Mechanism, Physiological, and Anatomical Responses 291 Maria Antonia Machado Barbosa and Allan Klynger da Silva Lobato 14 Regulation of Photosynthesis by Brassinosteroids Under Optimal and Suboptimal Conditions 309 Rohit Chhabra, Neetu Jagota, Kompal Gaur, Tavisha Singh, and Ashish Sharma 15 Brassinosteroids and Its Crosstalk with Other Plant Hormones Under Stressful Environments 335 Mohammad Faizan, Ghafoor Unnisa, Aurosha Fayaz, Ira Khan, S. Maqbool Ahmed, and Shamsul Hayat 16 Role of Brassinosteroids on Antioxidants Regulation Under Abiotic Stresses 353 Mohammad Faizan, Anjuman Hussain, Shamsul Hayat, Nayab Ishrat, Aurosha Fayaz, and S. Maqbool Ahmed 17 Implications of Brassinosteroids Application: A Review 367 Saurabh Awasthi, Abhay Chand, Om Prakash Narayan, and Sahil Mehta Index 383.