Mechanical Method of Coffee Processing for Large Scale Seed Production

Sunday Adeleke¹ , Mohammed Baba Nitsa² , Amos Oloyede³ , Olusola Ogunjirin⁴

Section:Research Paper, Product Type: Journal-Paper
Vol.10 , Issue.4 , pp.1-7, Dec-2023

Online published on Dec 31, 2023

Copyright © Sunday Adeleke, Mohammed Baba Nitsa, Amos Oloyede, Olusola Ogunjirin . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
Production of viable coffee seeds devoid of struggle is vital for early field establishment. This study aimed at using a motorized mechanical method to process coffee seeds compared to mechanical manual and mortar and pestle methods. Three genotypes of Robusta coffee (T24, T1049, and C90), and three methods of pulping (motorized pulper, manually operated pulper, and mortar and pestle) were used. The experiment was carried out at the CRIN Headquarters, Ibadan, during the 2021 coffee harvest season. Matured ripe coffee cherries were manually harvested and soaked in water for 48 hours before pulping. Equal weights of wet coffee cherries of each genotype were pulped and replicated 3 times. Air dried seeds were planted in pre-nursery using Complete Randomized Design (CRD) from which healthy seedlings were later transplanted into polythene bags. Data were statistically analyzed using SAS software version 9.1. The pulping methods and genotypes studied significantly affected bean output capacity and rate of pulp separation at a 5% level. Manual pulper had the highest output capacities for the three genotypes, followed by motorized pulper while mortar and pestle had the lowest. Rates of pulp separation for all the genotypes for mortar and pestle were the highest, followed by motorized pulper. Genotype T24 pulped with a manually operated pulper recorded the highest means for germination time (65.33 days) and germination percentage (56.20%). Genotype C90 pulped with the motorized pulper revealed the lowest mean germination time (26.67 days) and lowest germination percentage (33.00%). The highest means plant height (11.62 cm) and leaf numbers (9.72) were indicated by motorized pulper. The result showed that motorized pulper could be effectively used for large scale production of coffee seeds while considering some machine and crop factors are important.

Key-Words / Index Term :
Mechanical, seed processing, output capacity, genotypes, seed viability.

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