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Arjun Rana1,2, Mohd. Akram1* and Deepender Kumar1
1Division of Crop Protection, ICAR-Indian Institute of Pulses Research, Kanpur-208024
2Department of Plant Pathology, Chandra Shekhar Azad University of Agriculture
& Technology, Kanpur-208002
Email: akram23859@gmail.com
Received-12.11.2025, Revised-05.12.2025, Accepted-27.12.2025
Abstract: Mungbean (Vigna radiata (L.) Wilczek) is a nutritionally important pulse crop, but its productivity is severely constrained by Yellow Mosaic Disease (YMD), a whitefly-transmitted viral disease-causing substantial yield and seed quality losses. The present study evaluated eco-friendly management options for YMD through field experiments conducted at Kanpur, during crop seasons (summer and Kharif) for two consecutive years (2024-2025). Fifteen treatments comprising botanical extracts, organic formulations, micronutrients, a chemical insecticide, and an untreated control were tested on two cultivars namely DGGV2 and Soorya, using a randomized block design. Botanical extracts (5% v/v) were applied as uniform foliar sprays. In the cultivar DGGV2, severe YMD incidence resulted in uniform infection across treatments, precluding treatment-wise differentiation. In Soorya, numerical reductions in disease severity and unhealthy seed parameters were observed with Calotropis procera leaf and flower extracts; however, these differences were statistically non-significant in summer but were found significant in the Kharif season. Notably, seed weight was significantly influenced by treatments in both seasons and years. Application of C. procera leaf extract consistently recorded the highest average seed weight per plant weight (3.51-3.57 g in summer and 3.54-3.56 g in Kharif) indicating improved seed filling and grain development. Overall, the study demonstrates that while C. procera extracts may not substantially reduce visible YMD severity under moderate disease pressure, they can significantly enhance seed weight and quality. These findings highlight the potential of Calotropis-based botanicals as components of integrated, environmentally sustainable YMD management strategies in mungbean.
Keywords: YMD, Mungbean, Botanicals, Management, Seed weight
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