Author(s): Naveenkumar BS, Dr. Shivayogi Ryavalad and Aruna TS

Abstract: The priming may encourage a larger manifestation of the seeds' physiological potential and aid in their ability to germinate in unfavorable environmental conditions. The objective of this study was to evaluate different seed priming treatments which shows good germination with increased vigor. Seeds of two varieties namely Arka Kalyan and Bhima super were subjected to priming with three chemical agents at different concentration (Control: water (hydropriming); chelated micronutrient (2.5 and 5 g), calcium nitrate (2.5 and 5 g) and sulphate of potash 2.5 and 5 g) considering a completely randomized design in three replications. The results indicated seeds primed with sulphate and potash and calcium nitrate at different concentrations resulted in increased germination percentage, seedling length as well as seed vigour index than control. Therefore, seed priming with these chemicals can be effectively used to improve germination and viability in onion seeds.

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