Formation of structural elements of spring wheat productivity based on foliar application

Abstract

Abstract This article provides analyzes of data of long-term production experiments (2016-2020) conducted on peasant farm enterprise Makarenko E.I. located in Volokonovsky district of the Belgorod region. The outcomes of a comprehensive assessment of applying a growth regulator and liquid micronutrient fertilizers on the Prokhorovka spring wheat variety are presented. The available data enabled to draw conclusions concerning the positive effect of the studied growth regulators and liquid micronutrients on the length of the growing season of wheat plants, which on average tended to decrease the growing season of experimental options from 2 to 13 days. Options implying the treatment of seeds and vegetative plants of spring wheat benefited productivity. On average, the spike length was greater by one plant, the number of spikelets and grain content were better than in the control. On average, over five years, the yield in the experiment varied from 2.39 t/ha to 3.04 t/ha, the increments to the control varied from Nerthus Planta Peg – 0.14 t/ha or 5.8% to Polydon N+ – 0.65 t/ha or 27.1%.