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Vanda ampullacea alba in bloom

This is a discussion on Vanda ampullacea alba in bloom within the Cattleyas, Vandas, Dendrobiums IN BLOOM forums, part of the Orchid Photography category; Very good alba form. First time seeing this form. Nicely done Sriram....

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  1. #11
    catttan's Avatar
    catttan is offline Senior Member
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    Very good alba form. First time seeing this form. Nicely done Sriram.

  2. #12
    PaphMadMan is offline Senior Member
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    Quote Originally Posted by ksriramkumar View Post
    Yes. This alba one is very interesting. I always thought Alba ones are fragile DNA but there are a few exceptions. This one would be in that list
    Quote Originally Posted by Arne View Post
    Albas might be weak in nature because of the competition with its colored friends for pollinators but there is nothing that prevents them to be strong in cultivation. My white form of Broughtonia sanguinea is a much stronger plant than my red-flowered plant. Actually it is the strongest Broughtonia I've ever seen.
    Albas in cultivation are often weak because the less common they are the more likely they are the result of multiple generations of selfing, regardless of the parent vigor, so they are inbred. It has more to do with the breeding background than the alba trait.

    Some albas may be less tolerant of light at the upper end of the species light range, so the optimum light may be close to their upper limit. This can mean they are more likely to be stressed by high light or kept in low light and starved. Again, it is not a weak plant, just harder to give it optimum conditions.

    And some albas really are just weak growers even with healthy genes and perfect conditions. The superior vigorous ones like this should be crossed with the best healthiest unrelated normal color plant available, then in the second generation there can be more outstanding vigorous albas.

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