Effects of different nut pretreatments and substrates on germination and seedlings growth of Neocarya macrophylla Sabine in Basse Casamance, Senegal
Antoine Sambou , Joseph Saturnin Dieme, Boubacar Camara, Fatoumata Dione, Bineta Balde
iForest - Biogeosciences and Forestry, Volume 17, Issue 6, Pages 346-352 (2024)
doi: https://doi.org/10.3832/ifor4528-017
Published: Nov 03, 2024 - Copyright © 2024 SISEF
Research Articles
Abstract
Neocarya macrophylla Sabine (Gingerbread plum) is a tree species that plays an important role in providing ecosystem services. Despite its importance, the diversity and density of N. macrophylla stands have decreased significantly due to natural and anthropogenic factors. There is a need for better knowledge of N. macrophylla seedling production techniques for successful reforestation. This study aimed to evaluate the effects of pre-treatment and substrates on germination and growth of N. macrophylla seedlings. A completely randomized design with three replications and 12 elementary plots of nine polyethylene bags was installed. The three studied factors were provenances (Enampor and Mlomp), pre-treatments (crushed and non-crushed nuts), and substrates (cow and peanuts manures and control-sand). Nut and kernel size and weight, germination, growth parameters (height, diameter, number of leaves and lateral roots, and length of main root), and dry biomass were measured. The results showed that nut size and weight varied significantly (p<0.0005) among the provenances. Nuts from Enampor were longer (3.41 ± 0.04 cm), wider (2.89 ± 0.03 cm), and heavier (16.15 ± 0.32 g) than those from Mlomp. Pretreatments significantly (p<0.05) influenced germination rate and duration. Crushed nuts had the best rate (43.27 ± 5.19%) and germinated significantly faster (26.23 ± 1.61 days) than non-crushed nuts. Substrate significantly influenced growth parameters and biomass. Peanuts manure promoted a larger growth in height (8.92 ± 0.17 cm), diameter (0.072 ± 0.01 cm), leaf production (10.05 ± 0.18), and biomass (1.80 ± 0.20 g). Leaves (2.03 ± 0.16 g) and roots (2.10 ± 0.16 g) produced more biomass than stems (0.69 ± 0.05 g). The best performance of Neocarya macrophylla seedlings was recorded in peanuts and cow manures.
Keywords
Neocarya macrophylla, Germination, Performance, Provenance, Pretreatment, Substrates
Authors’ Info
Authors’ address
Joseph Saturnin Dieme 0000-0002-9094-1378
Boubacar Camara 0000-0002-0340-9704
Fatoumata Dione
Bineta Balde
Department of Agroforestry, Assane Seck University of Ziguinchor, 27000 Ziguinchor (Senegal)
Corresponding author
Paper Info
Citation
Sambou A, Dieme JS, Camara B, Dione F, Balde B (2024). Effects of different nut pretreatments and substrates on germination and seedlings growth of Neocarya macrophylla Sabine in Basse Casamance, Senegal. iForest 17: 346-352. - doi: 10.3832/ifor4528-017
Academic Editor
Daniela Baldantoni
Paper history
Received: Nov 26, 2023
Accepted: Nov 02, 2024
First online: Nov 03, 2024
Publication Date: Dec 31, 2024
Publication Time: 0.03 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2024
Open Access
This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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