Abstract:
The environmental stress
such as, drought are serious obstacles for
field crops in further areas of the world,
especially in arid and semiarid regions. In
order to investigate drought stress on seed
reserve utilization and seedling growth of
treated seeds of mountain rye (Secale
montanum), an experiment was carried out.
Factorial experiment was carried out in
completely randomized design with three
replications. The first factor was the seed
treatments (unpriming, hydropriming and
osmopriming) and the second factor was
drought stress. To create drought stress,
polyetylenglycol 6000 (PEG 6000) in
osmotic levels at 0 (as control), -0.4, -0.8, -
1.2 and -1.6 MPa were used. The results
indicated that for these traits: germination
percentage (GP), timson index (TI), energy
of germination (EG), weight of utilized
(mobilized) seed (WMSR), seed reserve
utilization efficiency (SRUE), seedling dry
weight (SLDW), and seed reserve depletion
percentage (SRDP), was a significant
treatment × drought interaction. Thus
hydropriming and osmopriming
improvement study traits in Secale
montanum under drought stress. While in
higher osmotic pressure the highest seed
reserve utilization were obtained from
osmopriming.
