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<p>Strawberries (<i>Fragaria</i> <i>×</i> <i>ananassa </i>Duch.) are mainly cultivated under protected structures. Given their small plant size, utilizing vertical space becomes essential to maximize yield. This approach enhances productivity and profitability while also making the protected structures more cost-effective. The present study was undertaken to examine the effect of different planting densities and column sizes on reproductive growth, yield, and quality of strawberry grown at the Hi-Tech Greenhouse of CCS Haryana Agricultural University Hisar (Haryana), India, during the period 2018–2019 and 2019–2020. Strawberry plants cv. ‘Sweet Charlie’ were grown hydroponically at different densities (soilless system in 75-&#xa0;and 90-mm PVC columns with horizontal and vertical orientation) using a&#xa0;factorial block design with five replications. The results indicate that plants grown in the 75-mm PVC column at 32&#xa0;plants per square meter (D<sub>6</sub>) flower the earliest (78.40 ± 0.51&#xa0;days and 72.40 ± 0.51&#xa0;days, respectively). The highest numbers of primary (7.54 ± 0.16 and 7.84 ± 0.27), secondary (13.76 ± 0.23 and 15.42 ± 0.44), and total (24.00 ± 0.77 and 26.56 ± 1.02) flowers were recorded in plants grown at D<sub>3</sub> (20&#xa0;plants/m<sup>2</sup>). The number of flowers and yield significantly increased (20.13%) with the wider column, while better quality fruits were harvested from the smaller column. The highest yield (6.72 ± 0.06 kg and 7.16 ± 0.05 kg) was recorded in plants grown in 90-mm PVC columns at D<sub>6</sub> (32&#xa0;plants/m<sup>2</sup>). These results suggest that a&#xa0;plant density of 20&#xa0;plants per square meter combined with 90-mm PVC columns offers an optimal balance between reproductive growth and productivity for vertical strawberry cultivation.</p>

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Response of Strawberry (Fragaria × ananassa Duch.) to Plant Density and Column Size in a Vertical Soilless Cultivation System

  • 期刊论文

  • 发表日期：

    2026年3月17日

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  • Vikas Kumar Sharma,
  • A. K. Godara,
  • Deepak Kaushik,
  • Krishan Kant Meena,
  • Sushil Sharma,
  • Adesh Kumar,
  • Arvind Malik,
  • Prince

摘要

Strawberries (Fragaria × ananassa Duch.) are mainly cultivated under protected structures. Given their small plant size, utilizing vertical space becomes essential to maximize yield. This approach enhances productivity and profitability while also making the protected structures more cost-effective. The present study was undertaken to examine the effect of different planting densities and column sizes on reproductive growth, yield, and quality of strawberry grown at the Hi-Tech Greenhouse of CCS Haryana Agricultural University Hisar (Haryana), India, during the period 2018–2019 and 2019–2020. Strawberry plants cv. ‘Sweet Charlie’ were grown hydroponically at different densities (soilless system in 75- and 90-mm PVC columns with horizontal and vertical orientation) using a factorial block design with five replications. The results indicate that plants grown in the 75-mm PVC column at 32 plants per square meter (D6) flower the earliest (78.40 ± 0.51 days and 72.40 ± 0.51 days, respectively). The highest numbers of primary (7.54 ± 0.16 and 7.84 ± 0.27), secondary (13.76 ± 0.23 and 15.42 ± 0.44), and total (24.00 ± 0.77 and 26.56 ± 1.02) flowers were recorded in plants grown at D3 (20 plants/m2). The number of flowers and yield significantly increased (20.13%) with the wider column, while better quality fruits were harvested from the smaller column. The highest yield (6.72 ± 0.06 kg and 7.16 ± 0.05 kg) was recorded in plants grown in 90-mm PVC columns at D6 (32 plants/m2). These results suggest that a plant density of 20 plants per square meter combined with 90-mm PVC columns offers an optimal balance between reproductive growth and productivity for vertical strawberry cultivation.