Effect of salinity stress induced levels of soluble NaCl on seed germination traits of hyssop (Hyssopusofficinalis L.)
hyssop (Hyssopus officinalis L.) is a medicinal plant with an antimicrobial that has many applications. The present study was to evaluate the effect of different levels of stress salinity on germination of seeds hyssop, in a completely randomized design. In this experiment, different levels of sodium chloride (NaCl) (zero (distilled water), 50, 100, 150, and 200 mM) in four replications were evaluated. Petri dish containing Whatman filter paper (ash-free) each iteration includes a number 30 seeds disinfected by soluble fungicide Benomyl. In addition to treatment, the dose of 10 mg per liter of the solution was applied. Petri dish by parafilm clear sealant and then 14 days in the growth chamber under a temperature 2 ± 21℃ and eight hours dark photoperiod of 12 h light with fluorescent bulbs were stored. Results showed that salt stress on traits (seed vigor, germination rate, average germination percentage, seedling height, radicle, and shoot length) had a significant effect. So with increasing levels of salinity, indexes were reduced. When the salt or no salt at least, germination was successful. Due to, the treatment of 150 and 200 mM sodium chloride, Still, the seed germination rate was low, so it can be said that the hyssop in the phase germination, has relatively resistant to salt stress.
seed , NaCl , salt stress , germination , radicle
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