Seed priming is being applied in agriculture on different crops for resolving adverse biotic and environmental situations, protecting crops, and prolonging the viability and storability of the seed. Seed priming with various priming agents including tapwater, several salts (KNO3, MgNO3, Mg(SO4)2, KCl, CaCl2, K2PO4, KH2PO4 and PEG) and plant growth promoting substances like GA3, IAA, NAA, kinetin, ascorbic acid, nutrients as Hoagland solution, urea and ethephon etc. have been used in varying concentrations in different legume crops including pulses. Seed priming has beneficial effects on seed quality enhancement, plantstand, growth, yield attributes, and finally yield and seed recovery percent in crops. In addition, the seed priming also positively influenced the activities of nitrate assimilation enzymes, viz.nitrate reductase and nitrite reductase,which facilitate the availability of NO3 to the growing seedlings. In pulses, these priming agents, especially KNO3 and MgNO3, increase the activity of the nitrogenaseenzyme and increase the rate of nitrogen fixation with the help of Symbiotic bacteria. Priming agents like GA3, IAA, NAA, kinetin, and ascorbic acid induce the activities of germination enzymes like alpha amylase, protease, and lipases, that’s after hydrolyzing, make available the stored seed reserves to germinating seedlings. This review describes how seed priming enhances pulse crop germination, seedling establishment, growth, and yield.
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Tiwari et al. (2025) studied this question.
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