This experiment was laid down in Post Graduate Laboratory, Department of Agronomy Lovely Professional, University, Phagwara, Punjab which is situated at Latitude at N and Longitude at at the altitude of m above the sea level. To check the effect of halo priming, osmo priming, and hydro priming on the fresh and accelerated aged baby corn seeds. Different dose of priming solution with different time duration was tested. T0- Unprimed (control) T1 Distil Water 12 hours, T2 Distil Water 24 hours, hydro priming, T3 KNO3 1% 12 hours, T4 KNO3 1% 24 hours, osmo priming, T5 CaCl2 1% 12 hours, T6 CaCl2 1% 24 hours, halo priming. It was observed that all primed seeds showed significant difference among each other in both seeds slot (fresh and aged) in term of germination percent, seedling length, seedling dry weight, and vigour index ⅠⅡ. It was observed that seeds treated with hydro priming for 24 hours had showed maximum values in all the above parameter in both seed slots. | Effect of halo priming, osmo priming and hydro priming on fresh and accelerated aged seeds of baby corn (Zea mays L.) on germination, seedling dry weight, seedling length