Open Access Research Paper Views (1109) Determination of Selenium dose assessment and optimization for heat- tolerance in cucumber (Cucumis sativus L.) Rozina Kazmi, Zahoor Hussain Int. J. Biosci. 17(3), 191-200, September 2020. DOI: http://dx.doi.org/10.12692/ijb/17.3.191-200 Keywords: Cucumber, Leaf area, Root and shoot dry weight, Root and shoot fresh weight, Selenium Details