Biochemical Changes during Construction of Female Flowers in Derooted Seedlings of Cucumis sativus L. in vitro with Exogenous Hormone KT Treatment The Induction of Female Flowers in Cotyledons of Cucumber (Cucumis sativus L.) in Vitro Scanning Electron Microscopic Studies on the Organ Development of Establishment for induction system of female flowers in steriled seedlings of Cucumis sativus Scanning Electron Microscopic Studies on the Development of the Organs of Litchi Flower