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Artículo • Tecnología en Marcha 36 (2) • Abr-Jun 2023 • https://doi.org/10.18845/tm.v36i2.5999 linkcopy

Open-access Primer informe sobre presencia de yemas cotiledonares en plántulas de tacaco (Sechium tacaco (Pittier) C. Jeffrey)

First report on presence of cotiledonous buds in tacaco (Sechium tacaco (Pittier) C. Jeffrey) seedlings

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    Abstract

    The objective was to make observations on the morphological development of the tacaco (Sechium tacaco) seedlings. 50 tacaco seeds were sown, and the development of the seedlings was evaluated. 30 days after the emergence of the seedlings, in two of them it was found that, after the death of the main stem, a new stem emerged from the interior of the seed coat, from the cotyledonous buds. This is the first notice about the existence of cotyledonous buds in tacaco; this is a significant scientific event for this species.

    Keywords Ontogeny; sprout; stem; cotyledon

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    Instituto Tecnológico de Costa Rica Cartago, Costa Rica, Cartago, Cartago, Costa Rica, CR, 159-7050 , 25502336, 25525354 - E-mail: alramirez@itcr.ac.cr
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