Guest Editors
Prof. Dr. Allan Klynger da Silva Lobato
Email: allan.lobato@ufra.edu.br
Affiliation: Núcleo de Pesquisa Vegetal Básica e Aplicada, Universidade Federal Rural da Amazônia, Rodovia PA 256, Paragominas, Pará, Brazil
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Research Interests: biotic stresses, brassinosteroids, plant growth regulators, neurotransmitters, gasotransmitters

Summary
The frequency of extreme events is on the rise due to climate change, which is negatively impacting the growth, development, and yield of relevant commodities. This has significant implications for global food security. Conversely, potential solutions may enhance plant metabolism and mitigate abiotic and biotic stresses. Consequently, in the current global environment, it is imperative to conduct research and develop cost-effective, modern solutions based on sustainable technologies to enhance plant tolerance to climate change and ensure food security. This topical collection is open to novel research, meta-analyses, and reviews that address all topics related to potential solutions based on plant growth regulators, including biostimulants, biopesticides, nanoparticles, brassinosteroids, gasotransmitters, microorganisms, phytohormones, neurotransmitters, and chemical elements. The focus is on mitigating abiotic and biotic stresses, including drought, flooding, salinity, toxic metals, low or high temperatures, low or high irradiance, acid rain, nutritional stress, plant diseases, and insect pests.
Keywords
biostimulants, biopesticides, brassinosteroids, gasotransmitters, microorganisms, phytohormones, plant growth regulators, nanoparticles, neurotransmitters.