Water uptake, germination and seedling growth of groundnut (Arachis hypogaea L.) cultivars under simulated moisture stress

Babu, V.R.; Murthy, P.S.S.; Reddy, D.N.

Seed Research 13(1): 141-154


ISSN/ISBN: 0379-5594
Accession: 001508906

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Water uptake, germination and seedling growth of 12 cv. belonging to 4 botanical groups of groundnuts were studied under polyethylene glycol 6000 simulated moisture stress ranging from -1 to -10 bar water potential. Seeds showed max. rates of water uptake during the first 4 h. Seed water contents were 36.4-71.5% at 4 h and 56.7-113.9% at 24 h. Under -10 bar water potential the seed water content decreased to 41.6-83.3% at 24 h. Water uptake by seeds showed no differences amongst botanical groups in spite of varietal differences.