Author : Muhannad.M.Sahib,
Relative Growth Rate (RGR) and Electrical Conductivity changes in snake cucumber (Cucumis melo var.flexuoses Naud.) seeds under Accelerated Ageing conditions
journal of kerbala university,
2014, Volume 10, Issue 2, Pages 13-20
Seed ageing is a main problem during storage of seed. Un-suitable storage conditions with high moisture and temperature increases seed ageing. A seed of snake cucumber was subjected to the accelerated ageing conditions at 45C◦±1 and 100% relative humidity for various time intervals (0, 3, 7, 12 days), for evaluation of seed vigorisity . However increasing of ageing period caused significant increases in seed moisture content (from 7.53% in control to 21.27%), electrolytic leakage (from 194.73 in control to 783.30 μs/cm/25 seed) whereas germination percentage and seed vigor index was significantly decreased (from 99% at control to 0.0%) and (from 14.29 in control to 0.00) respectively after 12 days of accelerated ageing (seeds losing viability). Seedling length, fresh & dry weight also decreases with increased ageing period.
Key Word: snake cucumber, seed accelerated ageing, vigor index, viability