Samsonova Е. А. RussiaSaratovSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia elena.smsnv@mail.ru Author's articles Features of Growth and Development of Wheat Seedlings (TriticumaestivumL.) under the Action of 2,4,6-triphenyl-3,5-dichloropyridine and 2,6-diphenyl-3-chloropyridine Effect of Polysubstituted Perchlorates Halkogen(Thio)Pyrilium on Morphogenesis of Wheat Seedlings Effect of N,O,S-contaning Heterocyclic Compounds on Growth of Root System of Triticum aestivum L.