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  1. Berthold

    fasciculatum in situ

    I tried to cultivate this species several times, but never succeeded. This species seems to be very dependent on mycorrhizal fungi, which protect the plant from infections. It seems to be the same problem as with Cypripedium subtropicum.
  2. Berthold

    Cypripedium subtropicum - signs of seedling life

    What we need is 5 kg of substrate with mycorrhiza fungi from the original location where the species grows. The first step is to propagate the fungus, which could be extremely time-consuming if it is an ectomycorrhizal fungus
  3. Berthold

    Cypripedium macranthos f. rebunense

    Annica, Werner Frosch had a different intention. He wanted to produce robust garden Cypripedium for selling. Hybrids are more robust than wild species normally and he selected robust individuals. Some wild species are extremely dependent of mycorrhiza fungi in germination as well as in...
  4. Berthold

    Cypripedium macranthos f. rebunense

    Annica, we knew each other. We had a lot of Discussions . The passion of Werner Frosch was hybrids, I'm only interested in pure wild species.
  5. Berthold

    Cypripedium macranthos f. rebunense

    That is the point, Annica. Many orchids are self-sterile. This means that pollen from another plant with a different genetic basis is needed for fertilization. Therefore, long-lived colonies cannot consist of plants from a single clone. My rebunense was self-sterile also and I could not get...
  6. Berthold

    Cypripedium macranthos f. rebunense

    Tom, the background is not a philosophical discourse, but the question is if there are faults in the culture or in weather. I have an influence on the culture, but not on the weather. I'll leave that to the other Germans in the world.
  7. Berthold

    Cypripedium macranthos f. rebunense

    Here is the color of the first flower in May 2016. I think it's one of the 50 shades of Yellow. The albino form is different.
  8. Berthold

    Cypripedium macranthos f. rebunense

    Are the large clumps formed by generative propagation or by vegetative propagation? This is a big difference in relation to the normal life expectancy of this species.
  9. Berthold

    Cypripedium macranthos f. rebunense

    It had a yellow flower, it was not an albino with a white flower. As I've heard, albinos of rebunense are supposed to really exist, but I'm unsure.
  10. Berthold

    Cypripedium macranthos f. rebunense

    Yes, but what is the normal life expectancy? Do you really have to be disappointed or is it the normal way of life?
  11. Berthold

    Cypripedium macranthos f. rebunense

    Tom, unfortunately no, the plant was seen alive for the last time in April 2020. I don't know what the normal life expectancy of this plant species is.
  12. Berthold

    Cypripedium macranthos f. rebunense

    8 years later in April 2019
  13. Berthold

    Cypripedium macranthos f. rebunense

    My rebunense from Hokkaido in Nov. 2011
  14. Berthold

    Paphiopedilum armeniacum and X micranthum

    The second seedling is more like the mother with her white and pink
  15. Berthold

    Paphiopedilum armeniacum and X micranthum

    Unfortunately, I only saw photos of this hybrid Fumi's Delight with Paphiopedilum armeniacum as the mother. But I also see no difference to the flowers of my plants.
  16. Berthold

    Paphiopedilum armeniacum and X micranthum

    baby plant from Claus, items from both parents: For more details, please have a look here :Paphiopedilum armeniacum und micranthum x armeniacum - Seite 6
  17. Berthold

    Paphiopedilum armeniacum and X micranthum

    Yes, I am very excited, because it seems to be the first cross between these two species in the universe with micranthum as the mother . :)
  18. Berthold

    Paphiopedilum armeniacum and X micranthum

    Here the micranthum x armeniacum Baby The color of the lip is inherited from the father, not from the mother
  19. Berthold

    Paphiopedilum armeniacum and X micranthum

    Reaching middle marker
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