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    The Effect of Different Pre-sowing Treatments on Seedling Emergence, Quality and Development in Passiflora edulis Seeds
    (Springer, 2023) Uzunoglu, Fulya; Ozmen, Kuebra; Toprak, Seher; Ergan, Emine; Mavi, Kazim
    Passiflora is cultivated for its edible fruits and many features such as flavor properties, aroma, high antioxidant activity in nutrient content, pharmaceutical effects, and ornamental plant feature, which has been widely used for decorative purposes in recent years. It has also been reported that seeds of Passiflora species have physical dormancy due to mechanical and chemical factors. Pre-sowing seed treatments are preferred for breaking dormancy as well as homogeneous seedling growth, increasing the emergence rate, improving seedling quality, high applicability and being economical. In this study, Passiflora edulis Sims f. edulis seeds extracted from fruits were used. Hydropriming, Ferula priming (FER), Tagetes priming (TAG), salt priming (KNO3), hormone priming (GA(3)) and stratification treatments were applied to the seeds before sowing. Results revealed that the highest emergence percentage (60%) and the least mean emergence time (22 days) were obtained from the stratification treatments. The emergence speed index (4.55) and coefficient of velocity of emergence (0.69) gave the highest value of the stratification treatments. In the first seedling measurements made to determine the seedling quality criteria, GA(3), TAG and FER treatments, and in the final seedling measurements, stratification and FER treatments came to the fore. It is recommended that further tests on seedling quality be conducted using variable temperatures and to use it in future studies by changing the times of stratification treatments.