Vol. 12, Issue 7 (2023)

Author(s):
Bhawana Mathur, NA Khan, DK Dwivedi, Adesh Kumar, Ashish Kumar and Rahul Maurya

Abstract:
An experiment was conducted with 20 rapeseed mustard varieties Rohini, Maya, Giriraj, NDRE-7, NDRS-9-1NDYR-8,Vardan, Vaibhav, Pusa M-27, NDRE-1-11-1, Pusa Gold-45, NRCHB-101, RH-479 Pusa M-24, Kranti, NDR-8501, RH 406, NRCDR-2, RGN-48 and Basanti at Student’s instructional farm of Acharya Narendra Deva University of Agriculture and Technology Kumarganj Ayodhya (U. P.) This study evaluated the enzymatic antioxidant and non-enzymatic antioxidant activity in healthy leaves and leaves exposed to Alternaria blight (Infected), which differed in phenol content, catalase activity and peroxidase activity. The content and activity of phenol, catalase, peroxidase were used parameter to identify the resistant genotype for breeding programmes. The finding revealed that maximum phenol content was recorded in Kranti, whereas maximum catalase activity and peroxidase activity was observed in varieties NDRS-9-1 and Kranti while minimum phenol content, catalase activity and peroxidase activity was observed Rohini in both infected and non-infected leaves of rapeseed mustard varieties.