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Table 1 Experimental protocol of coriander seeds primed using tap water, solutions of potassium silicate (80 mM) or humic acid (50 mg. L− 1) or irradiated by (50 Gy) γ-rays

From: Metabolic activities and molecular investigations of the ameliorative impact of some growth biostimulators on chilling-stressed coriander (Coriandrum sativum L.) plant

No. Treatment Seed treatment Seed protocol prior sowing
1 Control Primed in water, non-chilled 16 h in non-chilled water 20°C ±2
2 Chilling (6 °C ± 0.5) Primed in water, chilled 16 h in chilled water 6°C ±0.5
3 Pot. silicate (80 mM) primed, non-chilled 16 h in non-chilled pot. Silicate
4 Humic acid (50 mg l− 1) primed, non-chilled 16 h in non-chilled HA
5 γ- rays (50 Gy) primed, non-chilled 16 h in non-chilled water and γ-irradiated seeds
6 Chilling + Pot. silicate primed, chilled 16 h in chilled pot. Silicate
7 Chilling + Humic acid primed, chilled 16 h in chilled HA
8 Chilling + γ- rays primed, chilled 16 h in chilled water and γ-irradiated seeds