Author(s):

Harish MS, Rame Gowda and Nethra N

Abstract: A laboratory study was carried out using different nano micro nutrients (Iron NPs, Zinc NPs, Al NPs, CaCo₃ NPs) and same nutrients as a bulk of different concentration viz., 100, 250, 500, 750 and 1000 ppm. Nano seed treatment improved the seed germination of aged groundnut seeds variably towards the treatment at different concentrations. Among the treatment maximum germination percentage, root length, shoot length and seedling vigour index II was promoted by ZnO nanoparticles @ 1000 ppm (84 %, 8.59 cm,18.84 cm and 2326) which was followed by TiO₂ NPs @ 500 ppm (82 %, 8.28 cm, 17.85 cm and 2135) and Nano Iron @250 ppm (80.7 % 8.07 cm, 17.73 cm and 2100) and respectively.

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