Abstract
The study was carried out to determine the effectiveness of the polymer hydrogel based on potassium acrylate and the protein plant growth stimulant developed from a byproduct of cattle processing (beef shin split) based on soft wheat and triticale cultivars. The preparation’s effect on the grain crops’ productivity was revealed by measuring 19 indicators that characterize the plants’ morphological features and the yield structure. The effect of the studied preparations on reducing the intensity of helminthosporous root rot and yellow (stripe) rust was evaluated using generally accepted and additional indicators (the number of pustules, the number and length of stripes with pustules, the pustule area, etc.). The preparations were introduced into the soil simultaneously with sowing. The experience scheme included the following options: without preparations applied to the soil (control, C); hydrogel 30 kg/ha (0.5G) and 60 kg/ha (1G); hydrogel 30 kg/ha + protein stimulant 20 kg/ha (0.5G:1S); hydrogel 60 kg/ha + protein stimulant 40 kg/ha (1G:2S). The combined application of the preparations in the polyfunctional complex 1G:2S contributed to the maximum increase in the average potential yield of soft wheat and triticale. This effect was caused by an increase in field germination of seeds (by 32.1%) and an acceleration of plant maturation (by 9.1%) as well as a decrease in plant damage by root rot (by 8.1%) compared with the control. In the 1G option of the experiment, the maximum yield of a single plant in the experiment was recorded. This can be explained by the maximal increase in the productive bushiness (by 26.5%), the root weight (by 68.9%), the number of nodal roots (by 52.2%), and the number of spikelets per spike (by 7.7%) compared to the control as well as the minimum plant damage by yellow rust in the experiment.
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Kolesnikov, L.E., Uspenskaya, M.V., Kremenevskaya, M.I. et al. Increase in the Yield of Cereals and Decrease in the Harmfulness of Pathogens When Using Acrylic Hydrogel and Protein Growth Stimulant. Russ. Agricult. Sci. 47, 377–385 (2021). https://doi.org/10.3103/S1068367421040091
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DOI: https://doi.org/10.3103/S1068367421040091