Abstract
Orchids constitute a highly diverse group, with over 35,000 species, 25,000 of which are known worldwide, and they are distributed across the globe. Ecuador, with its multiple microclimates, provides a favorable environment for the development of endemic orchids (40% of the total species), and is therefore also a valuable source of genomic material that requires conservation. This study focused on developing a cryopreservation protocol for seeds of the species *Elleanthus capitatus*, using plant material from the Ecuadorian Orchid Germplasm Bank Phase I (Cotacachi-Cayapas section). The interaction of cryoprotectants (DMSO, sucrose, and glycerol) and two freezing techniques was evaluated: Rapid: seeds are immersed directly in liquid nitrogen, and Stepped: the temperature is initially lowered to -80°C and then the seeds are immersed in liquid nitrogen. Viability and turgor in vitro were evaluated, with treatment 1 (T1: DMSO in rapid freezing) showing the best results, reaching 64.77% viability in TTC and 100% in the embryo presence test; and the highest response in in vitro culture was also observed, with 82.5% seed turgor.
| Translated title of the contribution | Isolation and Quantification of the Actin, Ruans and Rumyb10 Genes, Involved in the Expression of Anthocyanins in Mora de Castilla Using Rt-qpcr |
|---|---|
| Original language | Spanish (Ecuador) |
| State | Published - 27 May 2017 |
| Event | 11no Congreso Internacional de Biotecnología Vegetal y Agricultura, BIOVEG 2017 - CU Duration: 22 May 2017 → 26 May 2017 |
Conference
| Conference | 11no Congreso Internacional de Biotecnología Vegetal y Agricultura, BIOVEG 2017 |
|---|---|
| Period | 22/05/17 → 26/05/17 |
Keywords
- Cryopreservation
- Cryoprotectants
- Elleanthus capitatus
- In vitro cultivation
- Liquid nitrogen
- Orchids
CACES Knowledge Areas
- 115A Biology
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