Abstract
In order to determine the concentration ranges of IAA and kinetin required for callus induction and subsequent callus growth, stem pieces and floral buds from plants of four various sex types of Cucumis sativus L. were grown in the in vitro culture. Requirements for phytohormones depend upon the kind of organ and the sex line. Tissues of male and monoecious lines were more sensitive to IAA deficiency, whereas male and hermaphrodite ones to kinetin deficiency. This tendency has been observed to occur for nearly 18 months.