OPEN ACCESS THE EFFECT OF DIFFERENTDOSES OF X-RAYRADIATIONON THE PHYTOSANITARYCONDITION OF POTATOTUBERS OF THE NEWYIELD OF THE GALAVARIETY Natalya Chulikova, Anna Malyuga, Ulyana Bliznyuk, Polina Borschegovskaya, Alexander Chernyaev, Yana Zubritskaya, Dmitry Yurov, Igor Rodin