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  • 1 Post By raybark

Allelopathy

This is a discussion on Allelopathy within the New Growers: Ask the Senior Members forums, part of the New Growers category; Hey, I would like to ask if there are any orchids that release allelochemicals that ...

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  1. #1
    siaogu is offline Bulbolific bulbolicious
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    Default Allelopathy

    Hey,

    I would like to ask if there are any orchids that release allelochemicals that hinder the growth of other orchids? Is it possible to grow different species of orchids in one display planter?

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    Cirrus is offline Junior Member
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    I haven't come across anything that says orchids are allelopathic, but they are one of the largest groups of flowering plants and some might. If there is allelopathy, it could also hypothetically originate from symbiotic fungi if present.

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    PaphMadMan is offline Senior Member
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    With so many species anything is possible, but I've never heard of any known allelopathy between orchids, or between orchids and other plants. But I wouldn't be surprised if the fungal symbiont for one orchid might just be a potential pathogen for others.

  4. #4
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    raybark is offline Senior Member
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    Default

    About the closest thing I'm familiar with is the release of phenols to "fend off" attck by pathogens. Unfortunately, it is toxic to the plants releasing it, too. It has also been known to happen upon overcrowding in flasks, hence the addition of activated carbon to the agar, to absorb it.

    I would also add that the most significant likely deterrant to growing multiple orchids together is their individual needs for very specific cultural parameter that might be incompatible.

    In general, putting multiple plants in the same container is to be avoided, as doing so can lead to the sharing of pathogens - if one gets "sick", they all do, rather than keeping it isolated.

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