ОЦІНКА ГІБРИДІВ КУКУРУДЗИ УКРАЇНСЬКОЇ СЕЛЕКЦІЇ РІЗНИХ ГРУП СТИГЛОСТІ ЗА ПРОДУКТИВНОЮ РЕАКЦІЄЮ НА ПОЗАКОРЕНЕВЕ ПІДЖИВЛЕННЯ В УМОВАХ ЗАХІДНОГО ЛІСОСТЕПУ

L.A. Yashchenko; N.O. Yuvchik; M.V. Sribnyi

doi:10.32848/agrar.innov.2026.36.45

L.A. Yashchenko The National University Of Water And Environmental Engineering https://orcid.org/0000-0003-1407-0133
N.O. Yuvchik The National University Of Water And Environmental Engineering https://orcid.org/0000-0001-5629-0201
M.V. Sribnyi Institute of Agriculture of Western Polissya National Academy of Agrarian Sciences of Ukraine https://orcid.org/0000-0001-7809-8448

DOI: https://doi.org/10.32848/agrar.innov.2026.36.45

Keywords: maize hybrids, foliar feeding, micronutrient fertiliser, growth stimulant, yield, biometric indicators

Abstract

Purpose. The aim of the study was to determine the response characteristics of Ukrainian-bred maize hybrids of different maturity groups to foliar application of micronutrients and growth stimulants under conditions of mineral fertilisation in the Western Forest-Steppe of Ukraine, and to assess their productivity and adaptability to this agronomic practice.
Methods. A field method for determining the morphological and biometric parameters of plants, structural elements of yield, and recording grain yield; a mathematical and statistical method for substantiating the significance of the results obtained.
Results. It has been established that the application of microfertilisers and a growth stimulant via foliar feeding had a positive effect on the development of morphological characteristics, structural components of the crop, and the yield of maize hybrids. The application during the growing season of the Vympel preparation (0.5 l/ha) and the microfertilisers Oracle Multicomplex (1 l/ha) and Oracle Biozinc (1 l/ha) increased grain yield gains by 0.32–1.50 t/ha. The highest grain yield (12.42 t/ha) was achieved by the medium-early maize hybrid DN Galatea with combined fertilisation of N160P60K60 and the use of microfertilisers. The application of foliar fertilisers also had a positive effect on all structural elements of maize yield – the number of grains per row, the total number of grains per cob, the grain weight per cob and the weight of 1,000 grains. The highest figures were also observed when growing this hybrid.
Conclusions. Research findings have shown that, under the conditions of the Western Forest-Steppe on dark grey podzolised soil, the application of foliar fertilisers and growth-promoting agents during the 3–5 and 7–8 leaf stages is an effective component of the cultivation technology for increasing the yield of maize hybrids. Under this cultivation system, the mid-early maize hybrid DN Galatea achieved the highest grain yield (12.42 t/ha) and the best quality indicators.

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EVALUATION OF UKRAINIAN-BRED MAIZE HYBRIDS OF DIFFERENT MATURITY GROUPS BASED ON THEIR YIELD RESPONSE TO FOLIAR FERTILISATION UNDER CONDITIONS OF THE WESTERN FOREST- STEPPE.

Abstract

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