Carbon Nanodots: The Secret to Stronger, Faster Chilli Seedlings
Vangala Navya, Sujatha P, Jagan Mohan Rao P, Raghavendra K, S.N.C.V.L. Pushpavalli, Santhosha Rathod
Journal of Advances in Biology & Biotechnology · pp. 991–1004 · Published 24 Dec 2025
10.9734/jabb/2025/v28i123443Abstract
To tackle the challenges posed by nutrient deficiencies in chilli cultivation, a cutting-edge laboratory experiment was conducted during the Rabi season of 2022–23 at SRTC, PJTSAU, Hyderabad, exploring the potential of nutrient-doped carbon nanodots (CNDs). Seventeen treatments incorporating varying levels of zinc, iron, copper, manganese, calcium, and boron were examined to assess their impact on seed vigour, seedling dry weight, and field emergence. The results indicated that iron-doped (T4) and manganese-doped (T8) treatments notably enhanced seed vigour by up to 6%, maintained higher seedling dry weight up to 0.020 g, and improved field emergence up to 62% after 18 months of storage. In contrast, higher concentrations of calcium (T11) and boron (T14) were less effective. These findings demonstrate that nutrient-doped carbon nanodots can serve as a novel solution to enhance seed vigour and field emergence, ultimately improving chilli seed quality.
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