Effects of Selenium on Growth Parameters of Tomato and Basil
HORTSCIENCE 51(8):1050–1056. 2016. Se has been recognized as an essential trace element for animals and humans (Oldfield, 2002). Adult humans have a daily requirement Effects of Selenium on Growth of 55 to 70 mg Se. Se-deficiency diseases have been recognized in some regions: Keshan Parameters of Tomato and Basil under disease, an endemic cardiomyopathy, and Kashin–Beck disease, a deforming arthritis, Fertigation Management were first identified in the Keshan region of China, where the soil is extremely low in Se Menahem Edelstein1 (Chen et al., 1980; Tan and Huang, 1991). Department of Vegetable Crops, Newe Ya’ar Research Center, Agricultural Diet is the main source of Se for humans Research Organization, Ramat Yishay, Israel and animals. Therefore, increasing Se con- centrations in the tissues of edible crops by Daniel Berstein Se-fertilization strategies would improve Department of Vegetable Crops, Newe Ya’ar Research Center, Agricultural the overall contribution of Se to human and animal diets (Carvalho et al., 2003). Research Organization, Ramat Yishay, Israel; and Department of Soil and Plants play a unique role in recycling and Water Sciences, The Robert H. Smith Faculty of Agriculture, Food and delivering Se from the soil into the food Environment, The Hebrew University of Jerusalem, Israel chain, even though Se has not been yet confirmed as an essential plant micronutrient. Moshe Shenker In Finland, for example, selenate has been Department of Soil and Water Sciences, The Robert H. Smith Faculty of added to fertilizers since 1984 to increase the Agriculture, Food and Environment, The Hebrew University of Jerusalem, Israel Se in soils (Alfthan et al., 2010; Wang et al., 1998), where the geochemical soil conditions Hasan Azaizeh are relatively uniform, two decades of sup- Institute of Applied Research (Affiliated with University of Haifa), the Galilee plementation of soils nationwide with fertil- Society, P.O.
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