The growth and yield of cocoyam (Colocasia esculenta (L.) Schott) as affected by storage methods
Crecimiento y rendimiento del cocoyam (Colocasia esculenta (L.) Schott) afectados por los métodos de almacenamiento
DOI:
https://doi.org/10.15446/rfnam.v78n1.111202Keywords:
Corm storage, Emergence, Growth, Taro, Weight loss, Quantum yield (en)Almacenamiento de cormos, Emergencia, Crecimiento, Taro, Pérdida de peso, Rendimiento (es)
Cocoyam (taro) (Colocasia esculenta) is an important tropical crop that requires minimal inputs compared to yam. However, increasing its production to meet the growing population’s food demand is hindered by the susceptibility of planting materials to rotting in the field before the next season. While reports on storage conditions for cocoyam cormels are available, information on the storage of corms (propagules) remains limited. Hence, this study assessed simple storage methods and the field performances of corms stored under these methods at the Ayepe research field of the University of Ibadan, Ibadan, Nigeria in 2019. Corms stored under shade, in pits, and on raised platforms were evaluated in a completely randomized design with three replicates. On the field, freshly harvested corms (S1), corms stored under shade (S2), corms stored in pits (S3) and corms stored on raised platforms (S4) were evaluated in a randomized complete block design with three replicates. The results indicated that weight loss and storage efficacy differed significantly (P<0.05) among the storage conditions. Weight loss ranged from 8.95 (S2) to 29.87% (S4), while storage efficacy ranged from 71.20 (S4) to 91.20% (S2). Corm emergence was significantly higher in S2 compared to S4 at 2 and 4 weeks after planting but was similar to the other treatments. Propagule storage conditions had no significant influence on cocoyam growth and yield. However, cormel yields for S1, S2, S3 and S4 were 7,483, 6,625, 6,729 and 6,208 kg h-1, respectively. Corms stored under shade or in pits were, therefore, recommended.
El cocoyam (taro) (Colocasia esculenta) es un importante cultivo tropical que requiere unos insumos mínimos en comparación con el ñame. Sin embargo, el aumento de su producción para satisfacer la creciente demanda de alimentos de la población se ve dificultado por la susceptibilidad de los materiales de siembra a pudrirse en el campo antes de la siguiente temporada. Aunque existen informes sobre las condiciones de almacenamiento de los cormos de cochayama, la información sobre el almacenamiento de los cormos (propágulos) sigue siendo limitada. Por lo tanto, este estudio evaluó métodos de almacenamiento simples y el rendimiento de campo de los bulbos almacenados con estos métodos en el campo de investigación Ayepe de la Universidad de Ibadan, Ibadan, Nigeria en 2019. En el campo, se evaluaron cormos recién cosechados (S1), cormos almacenados bajo sombra (S2), cormos almacenados en fosas (S3) y cormos almacenados en plataformas elevadas (S4) en un diseño de bloques completos al azar con tres repeticiones. Los resultados indicaron que la pérdida de peso y la eficacia del almacenamiento difirieron significativamente (P<0,05) entre las condiciones de almacenamiento. La pérdida de peso osciló entre 8,95 (S2) y 29,87% (S4), mientras que la eficacia de almacenamiento varió entre 71,20 (S4) y 91,20% (S2). La emergencia de cormos fue significativamente mayor en S2 en comparación con S4 a las 2 y 4 semanas después de la siembra, pero fue significativamente mayor en S2 en comparación con S4, similar a los otros tratamientos. Las condiciones de almacenamiento de los propágulos no tuvieron influencia significativa sobre el crecimiento y rendimiento del cocoyam. Sin embargo, los rendimientos de cormel para S1, S2, S3 y S4 fueron 7.483, 6.625, 6.729 y 6.208 kg h-1, respectivamente. Por lo tanto, se recomendó almacenar los bulbos bajo sombra o en fosas.
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1. Joy Jesumeda Oladimeji, Ranjana Bhattacharjee, Ayodeji Abe, Bolaji Osundahunsi, Ramesh Raju Vetukuri, P. Lava Kumar. (2025). Understanding Biotic Constraints to Taro (Colocasia esculenta) Production in the Derived Savanna and Humid Forest Agroecosystems of Nigeria. Plants, 14(22), p.3457. https://doi.org/10.3390/plants14223457.
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