Ability of Haematostaphis barteri Hook F. to air layering in the Sudano-Sahelian zone of Cameroon Authors Jonas Nimaligui Department of Biological Sciences, Faculty of Sciences, University of Ngaoundéré, P.O. Box: 454 Ngaoundéré-Cameroon https://orcid.org/0009-0006-9722-2997 Yohanna Dangai Higher Institue of Agriculture, Wood, Water and Environment, University of Bertoua, P.O. Box 416 Bertoua, Cameroon Zephirin Haman Oumarou Department of plant Sciences, Faculty of Science, University of Bamenda, P.O. Box 39 Bambili, Cameroon, Yougouda Hamawa Department of Agriculture, Livestock and Derived Products, National Polytechnic School of Maroua, University of Maroua, P.O. Box 46 Maroua, Cameroon Herve Joseph Ewodo APANA Department of Biological Sciences, Faculty of Sciences, University of Ngaoundéré, P.O. Box: 454 Ngaoundéré-Cameroon Roland Naddelni Begoto Department of Biological Sciences, Faculty of Sciences, University of Ngaoundéré, P.O. Box: 454 Ngaoundéré-Cameroon Guidawa FAWA Department of Organic Agriculture Science and Technology, Faculty of Science, University of Ngaoundéré, P.O. Box 454 Ngaoundéré, Cameroon Pierre Marie Mapongmetsem Department of Biological Sciences, Faculty of Sciences, University of Ngaoundéré, P.O. Box: 454 Ngaoundéré-Cameroon DOI: https://doi.org/10.47504/IJAGRI.2025.4.1 Keywords: Aerial layering, Haematostaphis barteri, Branch diameter, Substrate, Rooting, Sudano-Sahelian zone, Vegetative propagation Abstract Haematostaphis barteri is a highly valued wild species of socio-economic interest that is under multifaceted pressure. Indeed, excessive use of this plant leads to a repressive dynamic in its population. The objective of this work is to evaluate the aptitude of Haematostaphis barteri for air layering. The layering technique used consists of girdling the branch in order to remove the bark over a length of 6 or 7cm until the wood appears. Then, the cambium is thoroughly scraped and the phloem is thoroughly removed. Three trials were conducted. The first and second were carried out in august 2023, they consisted of determining the favorable period for air layering by quantifying carbohydrates on the mother plants of the species during the year(trial 1). For experiment two, the substrates used consisted of back soil; the black soil/sawdust mixture (40/60%); the spent grain of traditional beer and the foam. the experimental unit consisted of 10 layers. That is, a total of 120 layers(10 x 4 x 3). The experimental devise used was a completely randomiwed block for the first, two trials. The last experiment was carriedout in june 2024. Thus, using the tailor’s tape, three ranges of branch diameter [2-4[cm; [4-6[cm; [6-8 [cm were examined in the best substrate of the previous trial. That is, a total of 180 layers (10 x 3 x 2 x 3) were placed. The experiment design used is a Split-plot with 3 repetitions. The results of this study show that the quantification of sugars shows that the favorable period for conducting aerial layering of the species is the beginning of the rainy season. Haematostaphis barteri has a good aptitude for air layering. The type of substrate, the diameters of the branches and the aluminium foil have an influence on the rooting rate. The black earth/sawdust mixture with a rate of (63.33±15.27%) is numerically the best rooting substrate and the diameters [4-6]cm and [6-8]cm presented promising results for the same rooting parameter in this species. The aluminium foil improved and protected the sheaths against light rays. These tested parameters are important in developing a domestication strategy for this species. References Agarwal P., Saha S., Hariprasad P., 2021. Agro-industrial residues as potting media : physicochemical and biological characters and their influence on plant growth. 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Downloads Download PDF How to Cite Jonas Nimaligui, Yohanna Dangai, Zephirin Haman Oumarou, Yougouda Hamawa, Herve Joseph Ewodo APANA, Roland Naddelni Begoto, Guidawa FAWA, & Pierre Marie Mapongmetsem. (2025). Ability of Haematostaphis barteri Hook F. to air layering in the Sudano-Sahelian zone of Cameroon. International Journal of Agriculture, Biology & Environment (e-ISSN 2582-6107) DOI: 10.47504/IJAGRI, 6(4), 1–14. https://doi.org/10.47504/IJAGRI.2025.4.1 More Citation Formats ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX Issue Vol. 6 No. 4: IJAGRI Oct-Dec 2025 Section Articles License Copyright (c) 2025 Jonas Nimaligui, Yohanna Dangai, Zephirin Haman Oumarou, Yougouda Hamawa, Herve Joseph Ewodo APANA, Roland Naddelni Begoto, Guidawa FAWA, Pierre Marie Mapongmetsem This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.