Scientific Reports of the National University of Life and Environmental Sciences of Ukraine

Influence of the light regime on the growth and development of winter wheat in agrocenosis of the Right Bank Forest Steppe of Ukraine

V. Mazur, H. Pantsyreva, Yu. Kopytchuk
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Abstract

A study of the influence of sunlight on the growth and development of winter wheat plants. It is proved that the growth rate of plants also depends on the intensity of light. It is noted that the plants grow the fastest in the morning, the minimum growth rate is in the evening. In this regard, in full accordance with the above data, the reaction of winter wheat to the spectral composition of the rays. Therefore, for photosynthetic activity, wheat makes the best use of the red-orange part of the spectrum. It was determined that the best illumination in wheat cenoses in the tube exit phase was at the sowing rates of 1.5 million seeds / ha in 2020 (2550 lux). It is proved that in the period of milk ripeness the illumination of plants at different seeding rates was significantly lower, because in this period the leaf surface area is the highest. Therefore, during this period, the greatest penetration of light into the middle of the stem was observed at the seeding rate of 3 million seeds / ha. Thus, studies have shown that the light in wheat cenoses, both in the tube phase and in the milk ripeness phase, largely depends on the distribution of plants in the area, which is related to the seeding rate

Keywords

winter wheat, agrocenoses, reaction, light, sowing rate, maturity

Suggested citation
Mazur, V., Pantsyreva, H., & Kopytchuk, Yu. (2022). Influence of the light regime on the growth and development of winter wheat in agrocenosis of the Right Bank Forest Steppe of Ukraine. Scientific Reports of the National University of Life and Environmental Sciences of Ukraine, 18(1). https://doi.org/10.31548/dopovidi2022.01.007
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