Optimization of the system of irrigated winter wheat protection against harmful organisms in southern Ukraine

Authors

  • O. Y. Markovska Kherson State Agricultural University , Херсонський державний аграрний університет
  • M. Y. Pikovskyi National University of Life and Environmental Sciences of Ukraine image/svg+xml
  • O. O. Nikishov Institute of Irrigated Agriculture of NAAS , Інститут зрошуваного землеробства НААН

DOI:

https://doi.org/10.31548/bio2018.03.012

Abstract

The research findings show that the highest effectiveness in irrigated winter wheat protection against harmful organisms is provided with the application of seed disinfectant Serticor 050 FS (1 l/t), fungicide Alto Super 330 EC, emulsion concentrate, together with herbicide Peak 75% water-soluble granules (0.45 l/ha + 0.020 kg/ha) in the stem elongation phase, as well as fungicide Amistar Extra 280 SC suspension concentrate (0.5 l/ha) at the beginning of flowering, and insecticide Enzhio, 24.7% suspension concentrate (0.18 l/ha) at the beginning of milky ripeness of grain.

The study determined that Konka variety had a seed yield of 3.59 t/ha, which is 8.2% more than in Khersonska 99. The combined application of biopreparations Trichodermin and Gaupsin proved to be the most effective. Avatar had an advantage over other micronutrients under study and allowed gaining a 7.3-14.2% seed yield increase. Dispersion analysis confirms that microfertilizers take up the greatest proportion (58.2%) in the impact on the formation of winter wheat yield. The effect of varietal composition (20.0%) and plant protection (16.1%) was also high.

Keywords: winter wheat, diseases, harmful organisms, weeds, preparations, effectiveness

References

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Published

2018-08-14

Issue

Vol. 10 No. 3-4 (2018)

Section

Ecology

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