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Thread: Rhynchovola David Sander (Brassavola cucullata x Rhyncholaelia digbyana)

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  1. #11
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    Kirk
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    Quote Originally Posted by raybark View Post
    I suppose this is an good example about the expression of recessive genes, as neither parent typically displays more than green and white.
    There are forms of Rhyncholaelia digbyana with predominant pink coloration under the right circumstances. 'Palmer's Pink' is probably the best known example. There can also be a little pink at the petal and sepal tips in more typical forms, just almost unnoticeable, swamped out by the green. Rather than recessive genes being expressed, I think this may be a case of the normally homozygous color suppression genes of Brassavola just not getting the job done in the heterozygous hybrid gene pool. Lack of color is usually the recessive, but Brassavolas seem to have active dominant color suppression that just isn't working here.

  2. #12
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    Very strange blooms, but still nice. It looks like something I saw many years ago that was developed by Jack Woltmon, but I not sure he ever registered it.

  3. #13
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    Arne Schon
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    Quote Originally Posted by PaphMadMan View Post
    There are forms of Rhyncholaelia digbyana with predominant pink coloration under the right circumstances. 'Palmer's Pink' is probably the best known example. There can also be a little pink at the petal and sepal tips in more typical forms, just almost unnoticeable, swamped out by the green. Rather than recessive genes being expressed, I think this may be a case of the normally homozygous color suppression genes of Brassavola just not getting the job done in the heterozygous hybrid gene pool. Lack of color is usually the recessive, but Brassavolas seem to have active dominant color suppression that just isn't working here.
    Quote Originally Posted by Yug View Post
    Very strange blooms, but still nice. It looks like something I saw many years ago that was developed by Jack Woltmon, but I not sure he ever registered it.
    Even more strange is that some clones of Brassavola Yaki (cucullata x nodosa) also have some pink/purple tones in them and Rl digbyana isn't even present in that grex. An example is B Yaki 'Black's Nova'. Having said that, I would love to have either of these with the pink/purple tones.

  4. #14
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    Clara
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    My David Sanders is blooming also with a little pink!. It was pure white on its first blooming, but smells lovely both times. I love this orchid!.
    Bruce, I see you have yours bare root. I think I'm going to put mine in a basket too becaus
    e it has so many crazy roots outside the pot.

  5. #15
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    Bruce Brown
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    Quote Originally Posted by Weetamoo View Post
    My David Sanders is blooming also with a little pink!. It was pure white on its first blooming, but smells lovely both times. I love this orchid!.
    Bruce, I see you have yours bare root. I think I'm going to put mine in a basket too becaus
    e it has so many crazy roots outside the pot.
    hahaha... well, actually mine has overgrown its pot. It was potted in fir bark and charcoal. It has more roots outside the pot than in the pot nowadays.

    cheers,
    BD

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