Effect of molybdenum on growth and nitrogen metabolism of Brassica parachinensis L. and Brassica integrifolia L. under drought stress

Authors

  • T T Tran University of Sciences, Ho Chi Minh City 7000, Vietnam Author
  • H P Nguyen Department of Plant Physiology, University of Sciences, Ho Chi Minh City 7000, Vietnam & Vietnam National University, Ho Chi Minh City 7000, Vietnam Author
  • T T H Tran Department of Plant Physiology, University of Sciences, Ho Chi Minh City 7000, Vietnam & Vietnam National University, Ho Chi Minh City 7000, Vietnam Author
  • Thi Thuy Tien Le 3Center for Business Incubation of Agricultural High Technology, Ho Chi Minh City 7000, Vietnam Author

DOI:

https://doi.org/10.24154/jhs.v19i1.2267

Keywords:

Brassica, drought stress, molybdenum, nitrogen metabolism

Abstract

Molybdenum (Mo) is an essential trace element that plays a critical role in various physiological processes of plants. Drought stress poses a significant threat to plant growth, making it imperative to study the effects of Mo in mitigating its impact on Brassica parachinensis L. and Brassica integrifolia L. This study aims to investigate the influence of molybdenum on the growth and nitrogen metabolism of Brassica species under drought-stress conditions. The study delves into the physiological and biochemical responses of these plants to Mo supplementation to comprehend the mechanisms by which Mo enhances drought tolerance and nitrogen assimilation. The results revealed that Mo supplementation (150 g ha-1) significantly improves the growth and nitrogen metabolism of Brassica species under drought-stress conditions. In particular, the application of Mo under drought stress leads to a notable increase in yield, as indicated by the improvement in productivity from 3.41 to 4.25 (kg m-2) and 3.89 to 4.97 (kg m-2) in Brassica parachinensis and Brassica integrifolia, respectively. Furthermore, Mo supplementation enhances chlorophyll levels, thereby promoting efficient photosynthesis. Additionally, it positively affects the accumulation of soluble sugars, starch, and proteins, indicating improved nutrient assimilation and utilization in the plants. These findings suggest that Mo supplementation plays a crucial role in enhancing drought tolerance and nitrogen assimilation in Brassica species. The study highlights the potential of Mo as a valuable tool for improving crop productivity and resilience under drought-stress conditions

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Author Biographies

  • T T Tran, University of Sciences, Ho Chi Minh City 7000, Vietnam

    Department of Plant Physiology, University of Sciences, Ho Chi Minh City 7000, Vietnam

  • H P Nguyen, Department of Plant Physiology, University of Sciences, Ho Chi Minh City 7000, Vietnam & Vietnam National University, Ho Chi Minh City 7000, Vietnam

    Department of Plant Physiology, University of Sciences, Ho Chi Minh City 7000, Vietnam
    Vietnam National University, Ho Chi Minh City 7000, Vietnam

  • T T H Tran, Department of Plant Physiology, University of Sciences, Ho Chi Minh City 7000, Vietnam & Vietnam National University, Ho Chi Minh City 7000, Vietnam

    Department of Plant Physiology, University of Sciences, Ho Chi Minh City 7000, Vietnam
    Vietnam National University, Ho Chi Minh City 7000, Vietnam

  • Thi Thuy Tien Le, 3Center for Business Incubation of Agricultural High Technology, Ho Chi Minh City 7000, Vietnam

    Center for Business Incubation of Agricultural High Technology, Ho Chi Minh City 7000, Vietnam

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Published

04-06-2024

Issue

Section

Original Research Papers

How to Cite

Tran, T. T., Nguyen, H. P., Tran, T. T. H., & Le, T. T. T. (2024). Effect of molybdenum on growth and nitrogen metabolism of Brassica parachinensis L. and Brassica integrifolia L. under drought stress. Journal of Horticultural Sciences, 19(1). https://doi.org/10.24154/jhs.v19i1.2267

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