Assessment of some priming techniques in mungbean (Vigna radiata): A green house study
2013
Umair, A. (Soil and Water Conservation Research Station, Jhelum (Pakistan)) | Ali, S. (PMAS Arid Agriculture Univ., Rawalpindi (Pakistan). Dept. of Soil Science and Soil Water Conservation) | Sarwar, M. (National Agricultural Research Centre, Islamabad (Pakistan)) | Bashir, K. (PMAS Arid Agriculture Univ., Rawalpindi (Pakistan). Dept. of Soil Science and Soil Water Conservation) | Tareen, M.J. (Agriculture Research Inst., Quetta (Pakistan)) | Malik, M.A. (Barani Agricultural Training Inst., Rawalpindi (Pakistan))
Priming technique used for achieving better crop stand, in which seeds are partially hydrated to a point where germination process begin but radical emergence does not occur. A pot experiment was conducted in a green house. The seeds were invigorated by traditional soaking (hydropriming), osmo-conditioning using phosphorous (KH2PO4; 200 mM and 400 mM), mannitol (20 and 40 gl-1), polyethylene glycol (50 and 100 gl-1), sodium molybdate dihydrate (0.2 and 0.4 gl-1) and hormonal priming by salicylic acid (10 and 20 ppm). Untreated dry seeds were used as control. All the invigoration treatments significantly improved plant vigor in terms of final germination biomass, root, shoot length and nutrient uptake of mungbean seedlings compared to control (non-primed dry seedling). The application of seed priming also improved the protein concentration at the early stage of seedlings. Phosphorous application through priming significantly improved germination up to 95%, seedling vigour index up to 23.05 and protein content up to 2.17 (g-1 FW).
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