The analysis of brassinosteroid effects on wheat root growth using phenotyping techniques

  • Vladislav U. Bondarenko Belarusian State University, Nezavisimosti avenue, 4, 220030, Minsk, Republic of Belarus
  • Anatoliy I. Sokolik Belarusian State University, Nezavisimosti avenue, 4, 220030, Minsk, Republic of Belarus
  • Alexey A. Vetoshkin Belarusian State University, Nezavisimosti avenue, 4, 220030, Minsk, Republic of Belarus
  • Vladimir N. Zhabinsky Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, acad. V. F. Kuprevich street, 5, building 2, 220141, Minsk, Republic of Belarus
  • Vladimir A. Khripach Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, acad. V. F. Kuprevich street, 5, building 2, 220141, Minsk, Republic of Belarus
  • Vadzim V. Demidchik Belarusian State University, Nezavisimosti avenue, 4, 220030, Minsk, Republic of Belarus

Abstract

Growth reactions of wheat root on 10–12 –10–7 mol/l 24-epibrassinolide (EB), 28-homobrassinolide (HB) and 24-epicastasteron (EC) were examined. Wheat cultivar Vasilisa was used. All tested BRs demonstrated inhibitory action on wheat root length. Dose-dependence of the effect showed complex bell-like shape. Low BR levels induced reactions similar to highest BR levels. Concentrations of 10–10 –10–9 mol/l caused maximal inhibition of root growth rate. At the same time, root diameter significantly increased after BR treatment, as did mean roots hair length. So the volume of the root did not change significantly while their architecture was dramatically modified by BRs. Manually performed root growth measurements were compared with tests by phenotyping and demonstrated that the designed phenotyping techniques provided very accurate data. The root architecture phenotyping also yielded accurate results. Overall, phenotyping method showed that BRs inhibited wheat root growth and induced increase of root diameter and length of root hairs.

Author Biographies

Vladislav U. Bondarenko, Belarusian State University, Nezavisimosti avenue, 4, 220030, Minsk, Republic of Belarus

student at the faculty of biology

Anatoliy I. Sokolik, Belarusian State University, Nezavisimosti avenue, 4, 220030, Minsk, Republic of Belarus

docent; associate professor at the department of plant cell biology and bioengineering, faculty of biology

Alexey A. Vetoshkin, Belarusian State University, Nezavisimosti avenue, 4, 220030, Minsk, Republic of Belarus

student at the faculty of biology

Vladimir N. Zhabinsky, Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, acad. V. F. Kuprevich street, 5, building 2, 220141, Minsk, Republic of Belarus

doctor of science (chemistry), docent; chief researcher at the laboratory of steroid chemistry

Vladimir A. Khripach, Institute of Bioorganic Chemistry of the National Academy of Sciences of Belarus, acad. V. F. Kuprevich street, 5, building 2, 220141, Minsk, Republic of Belarus

academician of the National Academy of Sciences of Belarus, doctor of science (chemistry), full professor; head of the laboratory of steroid chemistry.

Vadzim V. Demidchik, Belarusian State University, Nezavisimosti avenue, 4, 220030, Minsk, Republic of Belarus

doctor of science (biology), docent; head of the department of plant cell biology and bioengineering, faculty of biology.

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Published
2017-12-03
Keywords: brassinosteroids, root growth and development, phenomic approach, wheat
How to Cite
Bondarenko, V. U., Sokolik, A. I., Vetoshkin, A. A., Zhabinsky, V. N., Khripach, V. A., & Demidchik, V. V. (2017). The analysis of brassinosteroid effects on wheat root growth using phenotyping techniques. Experimental Biology and Biotechnology, 1, 31-37. Retrieved from https://journals.bsu.by/index.php/biology/article/view/2425