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Influence of Growth Regulators with Anti–Stress Activity on Productivity Parameters of Sinapis alba L.

Butenko Sergey, Melnyk Andrii, Melnyk Tetiana, Jia Peipei, Kolosok Volodymyr

Journal of Ecological Engineering

2022

Vol. 23, nr 9

128--135

The research results of using growth regulators with anti-stress action which stimulated growth and development of plants, and provided them with resistance to adverse factors during the vegetation period, were presented. The use of plant growth regulators with anti–stress effect on Sinapis alba L. increased the plant resistance to adverse environmental influences, providing adaptation to changing environmental conditions, i.e. it has a stress–correcting effect throughout the whole vegetation period. The result of using drugs on mustard (Sinapis alba L.) was obtaining a significant and stable additional seed yield (0.57 t·ha-1), i.e. an increase in yield by 38%. Over the years of research, the most effective were the applications of Fast Start and Biofoge growth regulators. The most effective processing terms were: during the vegetation period as well as combination of seed treatment and application during the vegetation period.

Influence of Cultivation Technology on the Growth and Development of Sweet Corn Plants of Hybrid Moreland F1

Hryhoriv Yaroslava, Butenko Sergey, Hotvianska Anna, Nozdrina Nataliia, Rozhko Valentina, Karpenko Olena, Sykalo Оksana, Kustovska Alla, Toryanik Valentina, Salatenko Ivan

Ecological Engineering & Environmental Technology

2022

Vol. 23, iss. 6

104--110

The results of research on the influence of plant standing density and level of mineral fertilization on growth and development of sweet corn plants of hybrid Moreland F1 on sod–podzolic soils have been presented. The change in influence degree of technological factors on the height of sweet corn plants in different periods of the crop growth and development has been established. It was determined that the longest vegetation period had the crops of sweet corn grown under conditions of full mineral fertilization and maximum plant density of 80.000/ha – 80.3 days, and the shortest one was on the variant with unfertilized background and plant density of 60.000/ha – 73.2 days. Increase of mineral fertilizer dose contributed to better growth of sweet corn than in variants without mineral fertilizers. Increase of plant density up to 80.000/ha led to unnatural stretching of plants (over 190 cm). It was determined that the optimal plant height of the crops was at the density of 60 thousand/ha on the background of nutrition N135P90K125 + N60 + N30. The maximum average daily growth was characterized by sweet corn plants on the background of nutrition N135P90K125 + N60 + N30 with plant density 80.000/ha – 2.93 cm.