PJB-2025-234
INVESTIGATION OF PGPR EFFECT ON SALVIA L. VARIETIES GROWN IN SALIC CONDITIONS AND DIFFERENT ENVIRONMENTS IN EARLY SEEDLING PERIOD
BANU KADIOĞLU
Abstract
Soil salinity in arid and semi-arid regions, which is one of the abiotic stress factors, is a major problem worldwide. Different salt concentrations have a negative effect on plant growth by preventing or delaying the fundamental structure of the soil, seed germination, seedling growth, and thus adversely affecting yield. To investigate the effect of bacteria on the germination and early stages of Salvia L. seeds under saline conditions, extracts and water obtained from Hypericum scabrum and Helichrysum plicatum flowers were used as nutrient solutions in the study carried out in a growth chamber (Microtest, -20 to +70 ◦C) in a factorial experimental design with ten replicates using polyurethane foam. In the research, various indicators of sage varieties were examined in different environments (3 teas) at different salt concentrations (0, 50 and 100 mM) of bacterial applications, and it was determined that germination was low at 50 mM and 100 mM salt concentrations, and shoot water holding capacity and relative water content in the examined parameters experienced negative effects due to increasing salt concentrations. Despite the visible effect of increasing salt, bacterial treatment minimized the negative effect on the parameters. It was determined that S. nemorosa L. obtained the highest values with a B. Suptilis + 0 mM salt concentration in a Hypericum scabrum nutrient solution/medium.
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