Mini-cutting technique for the propagation of a Eucalyptus camaldulensis clone selected in a semiarid region

Aim of study: To assess the effectiveness of the mini-cutting technique in propagating a clone of Eucalyptus camaldulensis Dehnh selected in semiarid conditions, test the impact of the growth regulators Indole-3-Acetic Acid (IAA) and Indole-3-Butyric Acid (IBA) on rooting and determine the dynamics...

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Main Authors: Francisco Emerson F. de Felice, Poliana C. Dias-Araujo, Ewerton S. Pinheiro, Carlos Vergara
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Científicas (CSIC) 2025-01-01
Series:Forest Systems
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Online Access:https://fs.revistas.csic.es/index.php/fs/article/view/20905
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author Francisco Emerson F. de Felice
Poliana C. Dias-Araujo
Ewerton S. Pinheiro
Carlos Vergara
author_facet Francisco Emerson F. de Felice
Poliana C. Dias-Araujo
Ewerton S. Pinheiro
Carlos Vergara
author_sort Francisco Emerson F. de Felice
collection DOAJ
description Aim of study: To assess the effectiveness of the mini-cutting technique in propagating a clone of Eucalyptus camaldulensis Dehnh selected in semiarid conditions, test the impact of the growth regulators Indole-3-Acetic Acid (IAA) and Indole-3-Butyric Acid (IBA) on rooting and determine the dynamics of adventitious rooting. At the same time, an anatomical study was conducted to examine the tissues involved in the formation of adventitious roots. Area of study: Mossoró, located in the state of Rio Grande do Norte, Brazil. Material and methods: The mini-stumps of the E. camaldulensis clone were subjected to five consecutive prunings and the shoots were analyzed for their adventitious rooting capacity by testing the IAA and IBA auxins at four doses (0 -control; 1,000; 2,000; and 4,000 mg.L-1). A temporal analysis of rooting was carried out with evaluations performed every 7 days from the day of staking until day 28 and samples were collected to peform the anatomic analysis. Main results: The mini-stumps from E. camaldulensis clone showed 100% survival, 13 propagules per mini-stump/month and 900 sprouts/m2/month. The adventitious rooting was lower in control (55%) than in IAA (85%) and IBA (80%) at 2.000 mg.L-1. Rhizogenesis of the mini-cuttings started at day 14. The IAA and IBA increased mini-cutting rooting speed. Root formation was direct from phloem or vascular cambium in control and from xylem, phloem or vascular cambium in mini-cuttings treateds with IAA and IBA. Research highlights: The E. camaldulensis clone showed strong potential for propagation under semiarid conditions, with rooting and survival rates above 80% when treated with auxins. These results confirm the mini-cutting technique as an efficient and practical solution for large-scale propagation, offering valuable applications in commercial forestry under challenging environmental conditions.
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institution Kabale University
issn 2171-5068
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language English
publishDate 2025-01-01
publisher Consejo Superior de Investigaciones Científicas (CSIC)
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spelling doaj-art-3c8c8167d0524f6e82d32e4b2d6f43ef2025-01-21T11:28:06ZengConsejo Superior de Investigaciones Científicas (CSIC)Forest Systems2171-50682171-98452025-01-0133310.5424/fs/2024333-20905Mini-cutting technique for the propagation of a Eucalyptus camaldulensis clone selected in a semiarid regionFrancisco Emerson F. de Felice0Poliana C. Dias-Araujo1Ewerton S. Pinheiro2Carlos Vergara3Universidade Federal Rural do Semi-Árido, UFERSA, Av. Francisco Mota, 572, 59625-900 Mossoró-RN, BrazilUniversidade Federal Rural do Semi-Árido, UFERSA, Av. Francisco Mota, 572, 59625-900 Mossoró-RN, BrazilUniversidade Federal Rural do Semi-Árido, UFERSA, Av. Francisco Mota, 572, 59625-900 Mossoró-RN, BrazilUniversidade Federal Rural do Semi-Árido, UFERSA, Av. Francisco Mota, 572, 59625-900 Mossoró-RN, Brazil Aim of study: To assess the effectiveness of the mini-cutting technique in propagating a clone of Eucalyptus camaldulensis Dehnh selected in semiarid conditions, test the impact of the growth regulators Indole-3-Acetic Acid (IAA) and Indole-3-Butyric Acid (IBA) on rooting and determine the dynamics of adventitious rooting. At the same time, an anatomical study was conducted to examine the tissues involved in the formation of adventitious roots. Area of study: Mossoró, located in the state of Rio Grande do Norte, Brazil. Material and methods: The mini-stumps of the E. camaldulensis clone were subjected to five consecutive prunings and the shoots were analyzed for their adventitious rooting capacity by testing the IAA and IBA auxins at four doses (0 -control; 1,000; 2,000; and 4,000 mg.L-1). A temporal analysis of rooting was carried out with evaluations performed every 7 days from the day of staking until day 28 and samples were collected to peform the anatomic analysis. Main results: The mini-stumps from E. camaldulensis clone showed 100% survival, 13 propagules per mini-stump/month and 900 sprouts/m2/month. The adventitious rooting was lower in control (55%) than in IAA (85%) and IBA (80%) at 2.000 mg.L-1. Rhizogenesis of the mini-cuttings started at day 14. The IAA and IBA increased mini-cutting rooting speed. Root formation was direct from phloem or vascular cambium in control and from xylem, phloem or vascular cambium in mini-cuttings treateds with IAA and IBA. Research highlights: The E. camaldulensis clone showed strong potential for propagation under semiarid conditions, with rooting and survival rates above 80% when treated with auxins. These results confirm the mini-cutting technique as an efficient and practical solution for large-scale propagation, offering valuable applications in commercial forestry under challenging environmental conditions. https://fs.revistas.csic.es/index.php/fs/article/view/20905adventitious rootingclonal forestryclonal mini-gardenplant propagationrhizogenesis
spellingShingle Francisco Emerson F. de Felice
Poliana C. Dias-Araujo
Ewerton S. Pinheiro
Carlos Vergara
Mini-cutting technique for the propagation of a Eucalyptus camaldulensis clone selected in a semiarid region
Forest Systems
adventitious rooting
clonal forestry
clonal mini-garden
plant propagation
rhizogenesis
title Mini-cutting technique for the propagation of a Eucalyptus camaldulensis clone selected in a semiarid region
title_full Mini-cutting technique for the propagation of a Eucalyptus camaldulensis clone selected in a semiarid region
title_fullStr Mini-cutting technique for the propagation of a Eucalyptus camaldulensis clone selected in a semiarid region
title_full_unstemmed Mini-cutting technique for the propagation of a Eucalyptus camaldulensis clone selected in a semiarid region
title_short Mini-cutting technique for the propagation of a Eucalyptus camaldulensis clone selected in a semiarid region
title_sort mini cutting technique for the propagation of a eucalyptus camaldulensis clone selected in a semiarid region
topic adventitious rooting
clonal forestry
clonal mini-garden
plant propagation
rhizogenesis
url https://fs.revistas.csic.es/index.php/fs/article/view/20905
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