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<p>This study aimed to evaluate the performance of different rootstock-scion combinations on yield and quality improvement in ber (<i>Ziziphus mauritiana</i> Lamk.) under semiarid conditions was conducted at the Regional Research Station, Bawal, Haryana. For statistical analysis, data collected during the stabilized bearing phase (2020–2024) were utilized. The experiment was conducted in a two-factor randomized block design (RBD) comprising three rootstocks (<i>Ziziphus rotundifolia</i>, <i>Ziziphus mauritiana</i> cv. Tikadi and <i>Ziziphus mauritiana</i> cv. Sukhavani) and two scion varieties (Gola and Umran). The pooled data revealed significant variation among rootstocks, scions and their combinations in terms of plant height, trunk girth, leaf area index, chlorophyll content, canopy footprint, fruit physicochemical attributes and yield. <i>Z. mauritiana</i> Tikadi consistently imparted greater vigor, greater trunk cross-sectional area (45.1 cm<sup>2</sup>), increased canopy footprint (25.8 m<sup>2</sup>) and greater yield (53.60&#xa0;kg/plant) in combination with Umran. In contrast, <i>Z. mauritiana</i> Sukhavani presented a comparatively reduced tree size and improved fruit quality traits, such as greater total soluble solids (19.25°B) and ascorbic acid (95.41&#xa0;mg/100&#xa0;g), especially with Gola. Fruit size and pulp content are largely governed by the scion genotype, with Umran producing heavier fruits. The scion/stock ratio remained close to unity across the treatments, confirming good graft compatibility. The results highlight the importance of rootstock selection in regulating tree performance, suggesting a practical strategy for improving orchard productivity without the need for the genetic replacement of cultivars.</p>

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Influence of rootstock and scion‒rootstock interactions on the growth, yield and fruit quality of ber (Ziziphus mauritiana Lamk.) under semiarid conditions

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  • 发表日期：

    2026年6月1日

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  • Anuradha Bishnoi,
  • Mukesh Kumar,
  • Sudha Bishnoi,
  • Sukhdev Singh

摘要

This study aimed to evaluate the performance of different rootstock-scion combinations on yield and quality improvement in ber (Ziziphus mauritiana Lamk.) under semiarid conditions was conducted at the Regional Research Station, Bawal, Haryana. For statistical analysis, data collected during the stabilized bearing phase (2020–2024) were utilized. The experiment was conducted in a two-factor randomized block design (RBD) comprising three rootstocks (Ziziphus rotundifolia, Ziziphus mauritiana cv. Tikadi and Ziziphus mauritiana cv. Sukhavani) and two scion varieties (Gola and Umran). The pooled data revealed significant variation among rootstocks, scions and their combinations in terms of plant height, trunk girth, leaf area index, chlorophyll content, canopy footprint, fruit physicochemical attributes and yield. Z. mauritiana Tikadi consistently imparted greater vigor, greater trunk cross-sectional area (45.1 cm2), increased canopy footprint (25.8 m2) and greater yield (53.60 kg/plant) in combination with Umran. In contrast, Z. mauritiana Sukhavani presented a comparatively reduced tree size and improved fruit quality traits, such as greater total soluble solids (19.25°B) and ascorbic acid (95.41 mg/100 g), especially with Gola. Fruit size and pulp content are largely governed by the scion genotype, with Umran producing heavier fruits. The scion/stock ratio remained close to unity across the treatments, confirming good graft compatibility. The results highlight the importance of rootstock selection in regulating tree performance, suggesting a practical strategy for improving orchard productivity without the need for the genetic replacement of cultivars.