EFFECT OF WATER-LOGGING AND SALINITY STRESS ON SINDHRI MANGO (MANGIFERA INDICA L.) SEEDLINGS

Authors

  • TAJ MUHAMAD RATTAR Qinghai Academy of Agricultural and Forestry Sciences, Qinghai University, Xining, China.
  • LIHUI TIAN Qinghai Academy of Agricultural and Forestry Sciences, Qinghai University, Xining, China.
  • INAYATULLAH RAJPAR Department of Soil Sciences, Sindh Agricultural University, Tando Jam, Pakistan.
  • ZEESHAN AHMED SOLANGI Qinghai Academy of Agricultural and Forestry Sciences, Qinghai University, Xining, China.
  • IMRAN ALI DHAMACH Qinghai Academy of Agricultural and Forestry Sciences, Qinghai University, Xining, China.
  • DENGSHAN ZHANG Qinghai Academy of Agricultural and Forestry Sciences, Qinghai University, Xining, China.

Keywords:

waterlogging, salinity, mango, rootstock, growth, development

Abstract

Mango is considered the major fruit crop in Sindh, Pakistan. The expected yield targets have not been achieved due to waterlogging and salinity problems. For this study, we investigated the effects of waterlogging and salinity on the growth and development of mango rootstock seedlings. The treatments were arranged, and the rootstock seedlings were grown in controlled (without waterlogging and salinity) and waterlogged conditions. In the water-logging treatments, plants were waterlogged with fresh and saline water from EC 2, 4, 6, 8, and 10 (dSm-1). In addition to growth parameters, the concentrations of Na+, K+, Ca2+, and Mg2+ in leaf tissues were also determined. The results obtained from the study indicated that, compared to control, the mango seedlings under waterlogging with fresh water and 2, 4, 6, 8 and 10 EC (dSm-1) saline water showed a significant decline in the studied growth parameters and displayed 25, 20, 37, 27, 0, and 31% more Na+ and 36, 45, 50, 54, 63, and 68% lower K+ in leaf tissues over control seedlings, respectively. The overall result suggested that the Sindhri mango rootstock is highly susceptible to both water-logging and salinity stress. Such knowledge in terms of specific-genotype responses to resistance and tolerance to waterlogging and salinity stress is important for Sindhri plantation rootstock management under environmental conditions.

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Published

2024-06-27

How to Cite

RATTAR, T. M., TIAN, L., RAJPAR, I., SOLANGI, Z. A., DHAMACH, I. A., & ZHANG, D. (2024). EFFECT OF WATER-LOGGING AND SALINITY STRESS ON SINDHRI MANGO (MANGIFERA INDICA L.) SEEDLINGS. Quantum Journal of Engineering, Science and Technology, 5(2), 1–9. Retrieved from https://qjoest.com/index.php/qjoest/article/view/139

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