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Mode of action of resistance inducers against powdery mildew in wheat
 Grigová, Vendula ; Šašek, M. ; Věchet, L. ; Burketová, Lenka
One of the method, how to increase resistance of plants against disease without changes of their genom is use of phenomenon known as induced resistance. Plant protection in system of induced resistance is based on activation of defence mechanisms of plants by stimulation of methabolic and structural changes in plants. For induction of resistance is used many compounds of chemical and biological origin. This work informs about mode of action of inductors used in pathosystem wheat (Triticum aestivum L.) – powdery mildew (Blumeria graminis f. sp. tritici). Efficiency of cited inducers were analysed by means of markers genes expression and by finding out infective structures of Blumeria. Slight expression of WCI5 (wheat chemically induced gene) ) and WCK1 (gene encoding a MAP kinase in wheat) was detected. Test of germinability showed that BTH (benzothiadiazol) treatment and treatment of oak bark extract caused an inhibition of germinative activity of Blumeria graminis spores on wheat.
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