This study was conducted to determine seed germination on the mechanisms of salinity stress in B. rapa var. parachinensis (Hong kong choy sum). The type of experiment was a completely randomized design with three salinity treatment NaCl, MgCl2, and KCl and minimum four replications was used. Salinity treatment consisted of 0 (control), 50, 100, 150, 200, mM concentrations. The experiment was carried out under 70% relative humidity at 23°C with a photoperiod of 8:16 h light/dark. The germinated seeds were counted every day and germination percentage, seed vigor, seed tolerance, length of seedling and biomass seedling was measured. The data were analyzed by one-way ANOVA multiple comparison test followed by Duncan's multiple range test.
The aim of this study was designed to analyse the effect of Savoury essential oil (Satureja hortensis) on growth performance, biochemical parameters and immunity of angelfish (Pterophyllum scalare). The angelfishes (average body weight of 5.12 ± 0.01 g) were treated with three effective dosage of Savoury essential oil 100, 200 and 400 mg/kg in three separated aquaria water with one control group for 60 days. At the end of experiment, the angelfishes treated with 400 mg/kg Satureja showed minimum Feed Conversion Ratio, maximum Specific Growth Rate and Survival Rate. There was significant difference (p < 0.05) between the treated and control fish in the serum total protein, albumin, globulin, triglyceride, cholesterol, glucose and cortisol. Maximum significant amount (p < 0.05) in immunoglobulin is found in both 200 and 400 mg/kg Savoury concentration group, while significant enhancement in serum lysozyme was only found in 200 mg/kg group. Overall, the results presented in the current study revealed that savoury is a beneficial dietary supplement to improve growth performance, stress resistance and innate immune response of angelfish and the best level of inclusion was 200 mg/kg.
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