Effect of Water Stress and Paclobutrazole on Proline and Total Antioxidant Activity in Groundnut (Arachis hypogaea L.)

The present investigation entitled “Effect of Water Stress and Paclobutrazole on Proline and Total Antioxidant Activity in Groundnut (Arachis hypogaea L.)” was carried out during during the summer seasons of the year 2021 and 2022. Twelve treatments comprising of all possible combinations of three irrigation levels for water stress and four paclobutrazole (PBZ) levels were tested in a split plot design with three replications. Total antioxidant activity and proline content showed significantly higher with irrigation at 20 days interval. Whereas, minimum was recorded with irrigation at 10 days interval in pooled results. The significantly higher total antioxidant activity and proline content was recorded with application of PBZ @ 300 mg/ L during both the years and in pooled analysis, respectively, whereas a minimum was noted with control (No spray of PBZ).