Влияние сорта и технологии возделывания на формирование фитосанитарной ситуации в посевах яровой пшеницы в лесостепи Приобья

Abstract

The investigations were carried out on leached chernozem of the forest steppe of the Ob River region of the Novosibirsk Region. The data on prevalence of plants by diseases and the formation on the density of pest and weed populations at cultivation of new perspective varieties of Siberian selection under different cultivation technologies are presented. The different susceptibility of cultivars to root rots, powdery mildew and Septoria spot is shown. Among the pests, the maximum density is marked for wheat thrips and cereal leaf beetle. The greatest influence on the development of weeds is related with tillage method and fertilizer application.