Forough Firouzkoohi; Fatemeh Nasibi; Batool Keramat; Hadi Noori; Effat Ahmadi Mousavi
Abstract
Effects of dielectric barrier discharge (DBD) Helium plasma treatments on guar (Cyamopsis tetragonoloba) seed germination and seedling growth were studied. Seeds were pretreated with 0, 1/44 and 0/68 W of cold plasma for 60 s. Salt stress experiment included three salinity levels of NaCl (0, 50 and 100 ...
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Effects of dielectric barrier discharge (DBD) Helium plasma treatments on guar (Cyamopsis tetragonoloba) seed germination and seedling growth were studied. Seeds were pretreated with 0, 1/44 and 0/68 W of cold plasma for 60 s. Salt stress experiment included three salinity levels of NaCl (0, 50 and 100 mM). Results showed that plasma treatments had positive effects on seed germination and seedling (shoot length, root length, dry and fresh weight of shoot and root) , The treatment of 1.44 W of cold plasma had the most stimulating effect on the percentage of germination and growth of guar seedlings. Additionally, the application of Helium plasma treatments, considerably enhanced chlorophyll a, chlorophyll b, total chlorophyll, carotenoids, and potassium(k) content in the leaves of guar plant. Thus, cold plasma treatment can be used an ameliorative way to the enhancement germination and improve seedling growth of guar against damage caused by salt stress. Key words: dielectric barrier discharge, seed germination, guar, cold plasma, salt stress
