New spring wheat varieties and root rot

The purpose of the research was to study the reaction of new varieties of spring wheat to root decay in the conditions of Irkutsk Region. In 2017-2018 on experimental field of Irkutsk Research and Development Institute of Agriculture the research on the assessment of stability of new varieties of a spring wheat selection of Tulunskaya GSS (Zоryanа and Маrsiankа) to the most widespread and harmful disease - root decay were conducted. The variety Tulunskaya 11 of Tulunskaya GSS selection was taken for control. In early phases of wheat development in comparison with control on average in two years of the research of the variety Zоryanа and Маrsiankа root decay was surprisingly less: the prevalence of an illness was 5.3 less and 6.2 % respectively. Thus and the index of illness development in these two varieties was lower than in Tulunskaya 11. No essential distinctions in the prevalence of an illness between varieties were noted by the phase of full ripeness of the culture...