Abstract
Abstract The paper deals with impact of water deficit and heat shock on activity of sucrose-phosphate synthase ( SPS ) – ( UDP-glucose: D-fructose-6-phosphat-2- α -glucosyltransferase, E.C. 2.4.1.14) – an enzyme involved in sucrose synthesis, on activity of lectins, as well as sucrose and abscisic acid ( ABA) content in germinating kernels of corn lines with different drought tolerance ( Zea mays L.). The paper demonstrates that corn lines, which are positively different in terms of drought tolerance, are characterized by varying activity of lectins, abscisic acid, sucrose-phosphate synthase and sucrose content in tissues of the aboveground part and roots of sprouts under the impact of adverse abiotic factors (water deficit and hyperthermia).
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