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Effects of indole-3-butyric acid application on rooting and vegetative development in hardwood cuttings of Pterocarya fraxinifolia (Poiret) Spach

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Title: Effects of indole-3-butyric acid application on rooting and vegetative development in hardwood cuttings of Pterocarya fraxinifolia (Poiret) Spach
Authors: Bilal Çetin, Eren Baş
Source: BioResources, Vol 20, Iss 3, Pp 7305-7317 (2025)
Publisher Information: BioResources, 2025.
Publication Year: 2025
Subject Terms: Pterocarya @Axinifolia (Poiret) Spach, pterocarya fraxinifolia (poiret) spach, rooting, vegetative propagation, Hardwood Cuttings, indole-3-butyric acid, Indole-3-Butyric Acid, Rooting, Vegetative Propagation, hardwood cuttings, TP248.13-248.65, Biotechnology
Description: Effects of different concentrations of indole-3-butyric acid (IBA) were studied relative to the rooting success, morphological development, and biomass characteristics of hardwood cuttings of Pterocarya fraxinifolia (Poiret) Spach collected from Düzce, Türkiye. Using a factorial design involving two cutting thickness classes and six IBA concentrations, the rooting percentage, number of roots per rooted cutting, shoot length, shoot diameter, number of shoots, fresh and dry shoot weight, and fresh and dry root weights were analyzed. The interaction between IBA concentration and cutting thickness played an important role in the vegetative propagation of Pterocarya fraxinifolia cuttings, especially in terms of rooting success, morphological characteristics, and biomass development. In particular, 1000 ppm and 2000 ppm IBA treatments yielded the most balanced and effective results in terms of rooting, shoot and root development, and biomass production. Although the 8000-ppm dose increased shoot biomass, it suppressed root development, indicating a potential phytotoxic effect at high concentrations. Principal component analysis also supported these findings and showed that 1000 ppm and 2000 ppm IBA doses provided homogeneous and healthy development. The results obtained emphasize that the optimal IBA dose should be carefully selected for the sustainable vegetative propagation; especially applications in the range of 1000 to 2000 ppm can provide important contributions to the propagation and conservation of the species.
Document Type: Article
ISSN: 1930-2126
DOI: 10.15376/biores.20.3.7305-7317
Access URL: https://doaj.org/article/7b441a9445cd4d41a1cee2209b9f4221
https://hdl.handle.net/11772/20593
Accession Number: edsair.doi.dedup.....5350170aa35cdb2d0cd9ce4395fec239
Database: OpenAIRE
Description
Abstract:Effects of different concentrations of indole-3-butyric acid (IBA) were studied relative to the rooting success, morphological development, and biomass characteristics of hardwood cuttings of Pterocarya fraxinifolia (Poiret) Spach collected from Düzce, Türkiye. Using a factorial design involving two cutting thickness classes and six IBA concentrations, the rooting percentage, number of roots per rooted cutting, shoot length, shoot diameter, number of shoots, fresh and dry shoot weight, and fresh and dry root weights were analyzed. The interaction between IBA concentration and cutting thickness played an important role in the vegetative propagation of Pterocarya fraxinifolia cuttings, especially in terms of rooting success, morphological characteristics, and biomass development. In particular, 1000 ppm and 2000 ppm IBA treatments yielded the most balanced and effective results in terms of rooting, shoot and root development, and biomass production. Although the 8000-ppm dose increased shoot biomass, it suppressed root development, indicating a potential phytotoxic effect at high concentrations. Principal component analysis also supported these findings and showed that 1000 ppm and 2000 ppm IBA doses provided homogeneous and healthy development. The results obtained emphasize that the optimal IBA dose should be carefully selected for the sustainable vegetative propagation; especially applications in the range of 1000 to 2000 ppm can provide important contributions to the propagation and conservation of the species.
ISSN:19302126
DOI:10.15376/biores.20.3.7305-7317