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Plant Science Today (PST)

Research Articles

Vol. 11 No. sp4 (2024): Recent Advances in Agriculture by Young Minds - I

Spin-priming - A novel and a crucial treatment to enhance the seed quality of roselle (Hibiscus sabdariffa) seeds

DOI
https://doi.org/10.14719/pst.5099
Submitted
16 September 2024
Published
22-11-2024

Abstract

Seed vigour being an important physiological parameter is important indeed in medicinal plant like roselle in which it is increased significantly by standardization of conventional priming (hydro-priming) duration and spin-priming duration of (Hibiscus sabdariffa) then compared with the non - primed seeds. The standardisation of hydropriming was performed by soaking of seeds in equal volume of water for various soaking durations viz., 2-5 h and restored to its initial state of moistness revealed that hydropriming of roselle seeds for 5 h registered higher physiological seed quality parameters. The best performed hydropriming duration of 5 h was taken for standardisation of spin - drying duration by adopting several drying timings viz., 1-5 min. The results indicated that the seeds hydro-primed (5 h) and spin-dried for 4 min had a significant improvement in physiological parameters, seed anatomical structure namely length (8.4 cm) and width (2.33 cm) of the embryo and root growth was seen evident through root architecture analysis. The % increase in germination over control in hydro-priming and spin-drying for 5 h and 4 min was 51 and the expresses the maximum vigour index of 1612.

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