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The impact of growth stimulators and retardants on the utilization of reserve lipids by sunflower seedlings

V. G. Kuryata ; І. V. Poprotska ; Т. І. Rogach

Regulatory Mechanisms in Biosystems, 2017-06, Vol.8 (3), p.317-322 [Periódico revisado por pares]

Oles Honchar Dnipro National University

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  • Título:
    The impact of growth stimulators and retardants on the utilization of reserve lipids by sunflower seedlings
  • Autor: V. G. Kuryata ; І. V. Poprotska ; Т. І. Rogach
  • Assuntos: germination of seeds ; Helianthus annuus L ; hormonal regulation ; retardants ; “source-sink” relations
  • É parte de: Regulatory Mechanisms in Biosystems, 2017-06, Vol.8 (3), p.317-322
  • Descrição: Using growth stimulators and anti-gibberillin preparations of different chemical compounds, we created different pressures in the coordinate covalent bond systems during germination of sunflower seeds. Using gibberellin and treptolem growth stimulators and Paclobutrazol and Chlormequat-Chlorid anti-gibberillin preparations is an efficient method of reconstructing coordinate covalent bond during the germination of seeds of oil-bearing crops. It allows determination of the role of the hormone factor in the utilization of reserve lipids over the heterotrophic phase of plant development. Blocking the synthesis of gibberellins by retardants caused decrease in activity of lipase, hydrolysis of reserve lipids and the meristem, which resulted in decrease in the energy of germination. Compared to the control, the impact of gibberellin increased the content of butyric acid, and the impact of Paclobutrazol reduced the content of butyric acid. Linoleic acid showed exactly the opposite changes. In relation to the control, a significant increase in the content of non-saturated linoleic acid was observed in both variants of the experiment. Gibberellic acid stimulated and Paclobutrazol slowed the usage of free higher fatty acids for the process of morphogenesis.
  • Editor: Oles Honchar Dnipro National University
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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