Vegetos
(An International Journal of Plant Research & Biotechnology)
Assessment of defense-associated antioxidant mechanism in banana under different abiotic stresses
*Article not assigned to an issue yet
Research Articles | Published: 21 July, 2023
Online ISSN : 2229-4473.
Website:www.vegetosindia.org
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Keywords:
Abiotic stress, ROS, Antioxidant, Banana cultivars
Abstract
With the change in the world’s global climate scenario, it is been observed that plants are exposed to different abiotic stresses. Abiotic stresses, such as heat, cold, drought, submergence, salinity, ultraviolet radiations, and heavy metals, are hostile to plant distribution, growth, and development, and constraint to crop yield worldwide. To overcome this situation plants develop a sophisticated ROS scavenging system and build homeostasis within the cell by producing enzymatic and non-enzymatic antioxidant defensive means. In the addressed study, six traditionally and agro-economically significant banana cultivars were considered. The banana cultivars were exposed to heat, cold, drought, submergence, and acid soil stresses. All the six cultivars (Malbhog, Seni, Amrit Sagar, Kach, Jahaji, and G9) react differently to different stress conditions. Although it was perceived that the enzymatic and non-enzymatic antioxidants were produced to detoxify the ROS and help the plants to adapt themselves to the stress condition. In the present experiment, antioxidant defense-related mechanisms were evaluated, the biochemical profiling for antioxidant defense mechanism exhibited diverse range in all genotypes against different abiotic stresses.
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