Role Of New Generation Phytohormones on Abiotic Stress

Plants are subjected to stress due to a large number of factors that reduce the productivity and economic instability of farmers. Due to an increase in the population, the use of automobiles and other electronics which emit toxic gases into the atmosphere also increases. It will lead to a condition called global warming. Global warming increases the temperature by 2-4℃. A rise in temperature results in a climatic change on the planet. Climatic change causes various abiotic stresses to the plants, and it is caused due to factors like temperature, water, air, light, etc. Abiotic stress gains more attention and care than biotic stress. The natural defense mechanism of plants can regulate abiotic stress. Phytohormones generate the natural defense. Phytohormones are chemical messengers that regulate plants' growth, development and metabolism. Phytohormones help in abiotic stress like drought, frost, flooding, heat, salinity, etc., by their signal transduction pathways. It also activates internal and external stimuli to avoid abiotic stress conditions. The new generation of phytohormones like brassinosteroids, salicylic acid, jasmonic acid, peptides, polyamines, prohexadiene-ca, 1-methyl cyclopropane plays a vital role in abiotic stress