Germination is considered a critical step in the development cycle of plant. But no information available regarding seed priming with Putrescine, Jasmonic acid, Kinetin, Potassium Nitrate (KNO3), Salicylic acid at time aged and non-aged seeds sorghum cultivars. However, to know effect aforesaid chemicals cultivars on germination rate, vigour alpha-amylase activity, research was conducted under ...