Evaluation of different rooting stimulators and substrates to produce guava clone plants through softwood cuttings

Muhammad Tahir Akram, Rashad Qadri, Mehwish Liaquat, Naveed ur Rehman, Tanveer Hussain, Irfan Ali, Sarvet Jehan, Muhammad Azam, Muhammad Mumtaz Khan, Muhammad Ahsan Khatana, Arslan Achakzai and Israr Ali
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Muhammad Tahir Akram: Department of Horticulture, PMAS-Arid Agriculture University, Rawalpindi 46300, Pakistan.
Rashad Qadri: Institute of Horticultural Sciences, University of Agriculture, Faisalabad, Pakistan.
Mehwish Liaquat: Department of Horticulture, PMAS-Arid Agriculture University, Rawalpindi 46300, Pakistan.
Naveed ur Rehman: Department of Horticulture, PMAS-Arid Agriculture University, Rawalpindi 46300, Pakistan.
Tanveer Hussain: Department of Horticulture, PMAS-Arid Agriculture University, Rawalpindi 46300, Pakistan.
Irfan Ali: Department of Horticulture, PMAS-Arid Agriculture University, Rawalpindi 46300, Pakistan.
Sarvet Jehan: Institute of Soil and Environmental Sciences, PMAS-Arid Agriculture University, Rawalpindi 46300, Pakistan.
Muhammad Azam: Institute of Horticultural Sciences, University of Agriculture, Faisalabad, Pakistan.
Muhammad Mumtaz Khan: Department of Plant Sciences, College of Agriculture and Marine Science, Sultan Qaboos University, P.O. Box 34, Al-khoud 123, Oman
Muhammad Ahsan Khatana: Plant Genetic Resources Institute, National Agricultural Research Centre, Pakistan.
Arslan Achakzai: Directorate of Agriculture Research Fruit, Agriculture Research Institute (ARI), Quetta, Pakistan
Israr Ali: Department of Horticulture, PMAS-Arid Agriculture University, Rawalpindi 46300, Pakistan.

Horticultural Science, vol. preprint

Abstract: The clonal propagation of guava (Psidium guajava L.) is essential to avoid segregation, and its multiplication through cuttings is the easiest and cheapest way to raise a nursery, as other propagation techniques are laborious and need expertise. The current study was planned to evaluate the best rooting stimulators and rooting substrates for guava nursery propagation. In this experiment, the guava-prepared cuttings were treated with rooting stimulators, indole butyric acid (IBA) and paclobutrazol (PB) with concentrations (0, 200, 400, and 600 ppm) and were planted in independent rooting substrates (sand, silt and topsoil) under polytunnels. The results revealed that the highest number of roots, root length and root weight were achieved in cuttings planted in the sand with IBA 400 ppm concentration. In contrast, the highest survival percentage (50%) was obtained in silt substrate with a similar concentration of IBA. However, sand's lowest and highest concentrations of both rooting hormones produced zero plants. In shooting capacity, maximum leaves (13.6) and sprouts (3.76) were obtained using IBA 400 ppm in silt substrate. The highest sprouting length (6.80 cm) and cutting height (26.2 cm) were attained with sand using PB 200 ppm. In the overall comparison, rooting stimulator IBA 400 ppm and rooting substrate silt performed better than other rooting stimulators and rooting substrates.

Keywords: clonal propagation; indole butyric acid; paclobutrazol; polytunnels; rooting (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlhor:v:preprint:id:62-2024-hortsci

DOI: 10.17221/62/2024-HORTSCI

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