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<p>Dragon fruit (<i>Hylocereus costaricensis</i>&#xa0;L.) is a&#xa0;climbing vine cactus species that has received recognition worldwide. Eco-friendly production technologies have been standardized for many fruit crops, but very little information is available on dragon fruit. Given this background, a&#xa0;study was conducted for 2&#xa0;consecutive years from 2020–2021 and 2021–2022 with 1‑year-old dragon fruit plants at the Horticultural Research Station in Mondouri, Nadia, West Bengal, India. The randomized block design used in this study included seven treatments with three replicates, i.e., T<sub>1</sub>: <i>Azotobacter</i> (200 g) + phosphate solubilizing microorganisms (PSM) (100 g) + potassium mobilizer (KM) (100 g); T<sub>2</sub>: <i>Azospirillum</i> (200 g) + PSM (100 g) + KM (100 g); T<sub>3</sub>: <i>Azotobacter</i> (100 g) + <i>Azospirillum</i> (200 g) + PSM (100 g) + KM (100 g); T<sub>4</sub>: <i>Azotobacter</i> (200 g) + <i>Azopirillum</i> (100 g) + PSM (100 g) + KM (100 g); T<sub>5</sub>: <i>Azotobacter</i> (100 g) + <i>Azospirillum</i> (100 g) + PSM (100 g) + KM (100 g); T<sub>6</sub>: <i>Azotobacter</i> (200 g) + <i>Azospirillum</i> (200 g) + PSM (100 g) + KM (100 g); and T<sub>7</sub>: control. The combined application of biofertilizers consistently resulted in greater increases in cladode length (285.81 cm), canopy spread (east–west: 167.39 cm and north–south: 166.27 cm) and the highest quantity of branches (7.99) on a&#xa0;given plant. The highest observation of total soluble solids (TSS), total sugar and titratable acidity were found to be 15.09 °Brix, 13.70 and 0.16%, respectively, with the conjugal application of <i>Azotobacter, Azospirillum</i>, PSM and KM. Finally, the combined use of <i>Azotobacter, Azospirillum,</i> PSM and KM had the greatest beneficial influence on vegetative growth and yield attributes, and the physical, chemical and microbial status of the soil was almost equally influenced, with effects reaching more acceptable levels.</p>

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Biofertilizers Improve the Productivity and Morphophysiobiochemical Parameters of Dragon Fruit (Hylocereus costaricensis L.) cv. ‘Royal Moroccan Red’

  • 期刊论文

  • 发表日期：

    2025年8月10日

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  • Susmita Dey,
  • Soustav Datta,
  • Sk Md Asif,
  • Sarthak Bhattacharya,
  • Supratim Sadhu,
  • Amitava Mondal,
  • Ritwika Sen,
  • Tanushree Saha,
  • Pallab Datta,
  • Lamya Ahmed Alkeridis,
  • Laila A. Al-Shuraym,
  • Ahmed Gaber,
  • Akbar Hossain

摘要

Dragon fruit (Hylocereus costaricensis L.) is a climbing vine cactus species that has received recognition worldwide. Eco-friendly production technologies have been standardized for many fruit crops, but very little information is available on dragon fruit. Given this background, a study was conducted for 2 consecutive years from 2020–2021 and 2021–2022 with 1‑year-old dragon fruit plants at the Horticultural Research Station in Mondouri, Nadia, West Bengal, India. The randomized block design used in this study included seven treatments with three replicates, i.e., T1: Azotobacter (200 g) + phosphate solubilizing microorganisms (PSM) (100 g) + potassium mobilizer (KM) (100 g); T2: Azospirillum (200 g) + PSM (100 g) + KM (100 g); T3: Azotobacter (100 g) + Azospirillum (200 g) + PSM (100 g) + KM (100 g); T4: Azotobacter (200 g) + Azopirillum (100 g) + PSM (100 g) + KM (100 g); T5: Azotobacter (100 g) + Azospirillum (100 g) + PSM (100 g) + KM (100 g); T6: Azotobacter (200 g) + Azospirillum (200 g) + PSM (100 g) + KM (100 g); and T7: control. The combined application of biofertilizers consistently resulted in greater increases in cladode length (285.81 cm), canopy spread (east–west: 167.39 cm and north–south: 166.27 cm) and the highest quantity of branches (7.99) on a given plant. The highest observation of total soluble solids (TSS), total sugar and titratable acidity were found to be 15.09 °Brix, 13.70 and 0.16%, respectively, with the conjugal application of Azotobacter, Azospirillum, PSM and KM. Finally, the combined use of Azotobacter, Azospirillum, PSM and KM had the greatest beneficial influence on vegetative growth and yield attributes, and the physical, chemical and microbial status of the soil was almost equally influenced, with effects reaching more acceptable levels.