Cross-pollinating Cymbidium orchids involves several specific steps and requires careful attention to detail. Here is a comprehensive guide on how to successfully cross-pollinate these beautiful flowers:
Ideal Conditions and Timing
- Healthy Plants: Ensure that both the donor and recipient Cymbidium orchid plants are strong and healthy. This will increase the chances of successful pollination.
- Timing: The best time to pollinate Cymbidium orchids is when the flowers are about 3-4 days old.
Steps Involved in Cross-Pollination
- Select the Donor and Recipient Flowers: Choose two different Cymbidium orchids with flowers that are about 3-4 days old.
- Prepare the Pollinia: Use a toothpick or a small, clean instrument to carefully remove the pollinia (yellow pollen balls) from the anther cap of the donor flower. You may need to use forceps if the pollinia do not stick to the toothpick.
- Transfer the Pollinia: Place the pollinia on the stigma of the recipient flower, as close as possible to the entry of the stigma channel. This will facilitate the pollen tubes to grow through the stigma channel to the ovary.
- Label the Seed Capsule: Record the pollination date and the names of the donor and recipient plants to track the cross-pollination.
Common Challenges and Obstacles
- Contamination: Ensure that all instruments and surfaces are clean and sterile to prevent contamination by fungi, bacteria, or other substances.
- Self-Pollination: Some Cymbidium orchids may not allow self-pollination, so it is essential to use a different flower or plant for the recipient.
- Chromosome Mismatch: Certain crosses may not be viable due to differences in chromosome counts between the donor and recipient plants.
Dealing with Contaminants and Chemicals
- Sterilization: Use a pressure cooker to sterilize the germination medium and instruments to prevent contamination.
- Bleach Solution: Soak seeds from open dry pods in a bleach solution to sterilize them before germination.
Additional Tips and Resources
- Germination Medium: Use a sterile germination medium consisting of agar-agar, sugar, and banana to promote seed germination.
- Seed Pod Development: Monitor the seed pod for development, which can take several months depending on the species.
- Expert Guides: Consult online resources and expert guides for specific instructions and tips on cross-pollinating Cymbidium orchids.
By following these steps and guidelines, you can successfully cross-pollinate Cymbidium orchids and potentially create new hybrids.
References:
– Kiyanti2008. (2012). Pregnant Cymbidium Orchid??? – Kiyanti2008’s Weblog. Retrieved from https://kiyanti2008.wordpress.com/2012/06/20/pregnant-cymbidium-orchid/
– Orchideenvermehrung Ederer. (n.d.). How can I get some seeds? – Orchideenvermehrung Ederer. Retrieved from https://www.orchideenvermehrung.at/english/seed%20germination/getting%20seeds.htm
– Botany Boy. (2017). Orchid Flower Structure, and How to Pollinate an Orchid … – YouTube. Retrieved from https://www.youtube.com/watch?v=qTFiybPmhj0
– Reddit. (2022). Cross pollination between orchids – Reddit. Retrieved from https://www.reddit.com/r/orchids/comments/u4b05y/cross_pollination_between_orchids/
– ShadowolfDG. (n.d.). Guide to Pollinating Orchids – Steemit. Retrieved from https://steemit.com/nature/%40shadowolfdg/guide-to-pollinating-orchids