Influence of relief mesoforms and preseeding processing of seeds on common root rot, development and productivity of spring wheat in steppes of Orenburg region

The results of an estimation of influence of meteoconditions of year, relief mesoforms (slopes of northern and southern exposition, watershed areas, ravine) and preseeding processing of seeds by biological products, contact and system chemical fungicides on root rot, development, productivity, technological qualities of grain of soft spring wheat are resulted. Practical recommendations are given.