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<p>This research sought to establish standardized protocols for the cutting types, planting time and effects of IBA application on improving the propagation of dragon fruit (<i>Hylocereus costaricensis</i>). Shoot cuttings with slanting cuts, exposing the interior wood portion, were made and planted in May, June, and July after treating with IBA concentrations of 5000 ppm, 6000 ppm, 7000 ppm and 8000 ppm. Observations of shoot and root growth were recorded ninety days after planting of cuttings. The interaction of IBA, type of cut, and planting months showed the highest survival percentage (97.80%), percentage of rooting (98.9%), root length (29.60&#xa0;cm), shoot length (42.83&#xa0;cm), number of shoots (2.33), average length of shoots per cutting (42.83&#xa0;cm), shoot diameter (29.30&#xa0;mm), and fresh weight of shoots (105.93&#xa0;g) with 7000 ppm IBA treated on a shoot with slanting cut and planted during the month of June. The IBA at 7000 ppm applied to shoot cuttings exposing the interior wood portion and planted during month of June showed better results in terms of carbohydrates (0.35%), lipids (118.03&#xa0;mg/100&#xa0;g), and total chlorophyll (142.9&#xa0;mg/100&#xa0;g). Regarding rooting performance, the number of primary roots per cutting (11.30), as well as the fresh (1.78&#xa0;g) and dry (0.47&#xa0;g) weight of roots, were better with IBA at 5000 ppm and cuttings exposing the interior wood portion which was planted during the month of June, while the longest root length (29.60&#xa0;cm) was observed with IBA at 7000 ppm applied to the shoots with slanting cuts and planted during the month of May. The overall study concluded that the application of IBA at 7000 ppm on a slanting cut space of the shoots is effective when planted during the month of June for the propagation of dragon fruit.</p>

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Optimization of type of cuts, timing and IBA concentration for dragon fruit (Hylocereus costaricensis) propagation in the foothills of Arunachal Pradesh

  • 期刊论文

  • 发表日期：

    2026年1月12日

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  • Prabha Chettri,
  • L. Wangchu,
  • P. K. Nimbolkar,
  • Siddhartha Singh,
  • Khwairakpam Rozerto,
  • S. Dhanalakshmi

摘要

This research sought to establish standardized protocols for the cutting types, planting time and effects of IBA application on improving the propagation of dragon fruit (Hylocereus costaricensis). Shoot cuttings with slanting cuts, exposing the interior wood portion, were made and planted in May, June, and July after treating with IBA concentrations of 5000 ppm, 6000 ppm, 7000 ppm and 8000 ppm. Observations of shoot and root growth were recorded ninety days after planting of cuttings. The interaction of IBA, type of cut, and planting months showed the highest survival percentage (97.80%), percentage of rooting (98.9%), root length (29.60 cm), shoot length (42.83 cm), number of shoots (2.33), average length of shoots per cutting (42.83 cm), shoot diameter (29.30 mm), and fresh weight of shoots (105.93 g) with 7000 ppm IBA treated on a shoot with slanting cut and planted during the month of June. The IBA at 7000 ppm applied to shoot cuttings exposing the interior wood portion and planted during month of June showed better results in terms of carbohydrates (0.35%), lipids (118.03 mg/100 g), and total chlorophyll (142.9 mg/100 g). Regarding rooting performance, the number of primary roots per cutting (11.30), as well as the fresh (1.78 g) and dry (0.47 g) weight of roots, were better with IBA at 5000 ppm and cuttings exposing the interior wood portion which was planted during the month of June, while the longest root length (29.60 cm) was observed with IBA at 7000 ppm applied to the shoots with slanting cuts and planted during the month of May. The overall study concluded that the application of IBA at 7000 ppm on a slanting cut space of the shoots is effective when planted during the month of June for the propagation of dragon fruit.