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<p>Wood cuttings of the ‘41B’ and ‘1103 P’ rootstocks were used as plant material. Cuttings were planted in perlite-filled trays and, upon reaching the 9th developmental stage, foliar applications of H<sub>3</sub>BO<sub>3</sub> at 0, 0.5, 1, and 2 mM were applied by spraying. Following boric acid treatment, some cuttings were grown under saline conditions (5120 ppm NaCl). After 8&#xa0;weeks, shoot, root, and physiological parameters were measured.</p><p>The ‘1103 P’ rootstock showed superior shoot development compared to ‘41 B’ and benefited more from the positive effects of boron under salt stress. In saline conditions, 0.5 mM boron improved shoot fresh and dry weights in ‘41B’, suggesting it as an optimal dose for this rootstock. Boron applications at 0.5&#xa0;and 1 mM also positively supported root development under salt stress. At these concentrations, ion flux was significantly reduced under salinity. Overall ‘1103 P’ maintained better water and physiological balance than ‘41 B’.</p>

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Effect of Boric Acid on Enhancing Salt Tolerance in Grapevine Rootstocks

  • 期刊论文

  • 发表日期：

    2026年5月29日

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  • Nazlı Solmazgül Seyfi,
  • Hatice Bilir Ekbic

摘要

Wood cuttings of the ‘41B’ and ‘1103 P’ rootstocks were used as plant material. Cuttings were planted in perlite-filled trays and, upon reaching the 9th developmental stage, foliar applications of H3BO3 at 0, 0.5, 1, and 2 mM were applied by spraying. Following boric acid treatment, some cuttings were grown under saline conditions (5120 ppm NaCl). After 8 weeks, shoot, root, and physiological parameters were measured.

The ‘1103 P’ rootstock showed superior shoot development compared to ‘41 B’ and benefited more from the positive effects of boron under salt stress. In saline conditions, 0.5 mM boron improved shoot fresh and dry weights in ‘41B’, suggesting it as an optimal dose for this rootstock. Boron applications at 0.5 and 1 mM also positively supported root development under salt stress. At these concentrations, ion flux was significantly reduced under salinity. Overall ‘1103 P’ maintained better water and physiological balance than ‘41 B’.