Bulletin Samara State Agricultural AcademyBulletin Samara State Agricultural Academy1997-32252782-4225Samara State Agrarian University23730ETIOLOGIYa POSLERODOVYKh OSLOZhNENIY U PLOTOYaDNYKhKudryashovaE E-BaymishevKh B-GrishinaD Yu-150620062535511032020Copyright © 2006, Kudryashova E.E., Baymishev K.B., Grishina D.Y.2006