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Cytological changes in cacao seed Cotyledon caused by cold treatment

Mature cocoa seeds (UF 613) were separated into two batches. The first batch (normal) was treated in water at 25°C for 20 minutes. The second batch (cold) was immersed in water at 4°C for the same amount of time. Microscopic α-lysis of 10-u sections from each of the treatments showed that cold affec...

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Main Authors: Ibañez, Manuel L., Casas, I.A., Redshaw, E.S., Hine Alvarado, D.
Format: Artículo
Language:Inglés
Published: Instituto Interamericano de Ciencias Agrícolas (IICA) 2025
Subjects:
Theobroma cacao||Theobroma cacao||Theobroma cacao||Theobroma cacao
Semilla de cacao||cocoa beans||semente de cacau||fève de cacao
Tolerancia al frío||cold tolerance||tolerância ao frio||tolérance au froid
Práctica agrícola||agricultural practices||undefined||pratique agricole
Costa Rica||Costa Rica||Costa Rica||Costa Rica
Sede Central
Online Access:https://repositorio.catie.ac.cr/handle/11554/13686
Summary:Mature cocoa seeds (UF 613) were separated into two batches. The first batch (normal) was treated in water at 25°C for 20 minutes. The second batch (cold) was immersed in water at 4°C for the same amount of time. Microscopic α-lysis of 10-u sections from each of the treatments showed that cold affects the tannin cells found in the cotyledon. The possibility of physical changes in the cell membrane caused by cold and chemical or enzymatic lysis, initiated by the same medium, is discussed.

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