Borisov S. Yu. RussiaРостов-на-ДонуPioneer Hi-Bred Rus Limited, 344022, 91 Suvorova str., Rostov-on-Don, Russia, of.6ysibikeeva@mail.ru Author's articles Distribution of broomrape qom and blednocvetkovoj in crops of sunflower broomrape and related weeds in the Saratov region