Effect of EC Levels of Nutrient Solution on Glasswort (Salicornia perennis Mill.) Production in Floating System
2023
Esra Okudur | Yuksel Tuzel
Halophytes have evolved to tolerate high salinity environments. The halophyte glasswort (Salicornia and Sarcocornia species) grows by the sea or in salty soils and can be consumed with pleasure. In this study, the cultivation of glasswort was studied by testing the effects of different electrical conductivity (EC) levels (10, 15, 20, 25, 30 and 35 mS cm&minus:1) of a nutrient solution. Salicornia perennis Mill. was grown on floating systems in unheated greenhouse conditions. To adjust the different EC levels, sodium chloride was added to the Hoagland nutrient solution (EC: 2 mS cm&minus:1). Plant growth and yield parameters, shoot color, evapotranspiration, and shoot nutrient content were determined. Among the tested EC levels, the highest plant height (33.56 cm), shoot (172.75 g) and root fresh weights (41.74 g), stem diameter (7.85 mm), and fresh biomass (2864.06 g m&minus:2) were obtained from an EC level of 25 mS cm&minus:1. There were no significant differences in shoot color excluding b* and chroma values. It was concluded that glasswort could be grown in hydroponic systems as a new crop and that an EC value of 25 mS cm&minus:1 is the most appropriate for the cultivation of Salicornia perennis Mill. on floating systems.
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