Growth and Development of Sweet Corn Plants in the Agro–Ecological Conditions of the Western Region of Ukraine
Vasyl Stefanyk Precarpathian National University, Shevchenko Str., 57, Ivano-Frankivsk, 76018, Ukraine
Sumy National Agrarian University, H. Kondratieva St., 160, Sumy, 40021, Ukraine
Dnipro State Agrarian and Economic University, Sergei Yefremov, Str., 25, Dnipro, 49000, Ukraine
Mykolayiv National Agrarian University, Georgiy Gongadze Str., 9, Mykolayiv, 54020, Ukraine
Autor do korespondencji
Andrii Butenko   

Sumy National Agrarian University, H. Kondratieva St., 160, Sumy, 40021, Ukraine
Ecol. Eng. Environ. Technol. 2023; 4:216-222
The results of research on the influence of growing technology and its individual elements on the growth, development and photosynthetic activity of corn plants hybrid Moreland F1 under conditions of Western region of Ukraine are presented. The purpose of the research was to determine influence of cultivation technology elements on the formation and efficiency of assimilation apparatus of sweet corn plants. Research was conducted during 2019–2021 on sod–podzolic soil using field, calculation–weighting, and mathematical–statistical methods. Dynamics peculiarities of individual leaf surface area of the plant and agrocenosis of corn as a whole by the stages of crop development have been determined. Based on the results of statistical and correlation analyses, dependences between main indices of photosynthetic activity and corn yielding capacity, as well as those that change the most under influence of agrotechnology elements, were determined. Reaction of the crop on the change in intensity level of cultivation technology has been established, which is manifested through the functional response of individual photosynthetic plant system and the crop as a whole and is expressed in strengthening of their assimilation activity. Optimal limits of biometric indices of photosynthetic activity of sweet corn plants in crops when being reached, a productive grain yield is formed, have been presented.
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