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Speaking of viruses

This is a discussion on Speaking of viruses within the General Orchid Culture forums, part of the Orchid Culture category; Thanks, Nob. The article has contact info for them so I shot them an email ...

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  1. #11
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    LJA
    LJA is offline OrchidTalk Tech Admin
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    Thanks, Nob. The article has contact info for them so I shot them an email and asked. If they reply, I'll definitely post their response in case anyone's interested.

  2. #12
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    While we're on the subject, I heard that one can sometimes get around a desirable but virused plant by cloning--the tip of the meristem tissue used for cloning purposes may be dividing too rapidly for the virus to infect it (yet) and is presumably clean.

  3. #13
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    Quote Originally Posted by Jmoney
    While we're on the subject, I heard that one can sometimes get around a desirable but virused plant by cloning--the tip of the meristem tissue used for cloning purposes may be dividing too rapidly for the virus to infect it (yet) and is presumably clean.
    Yes and no. I know you said "sometimes," but it all depends on type of virus, host, etc. For example, Odontglossum ringspot (tobamo)virus is harder to eliminate than Cymbidium mosaic virus by meristem culture. Also, the smaller the region used for meristem culture is, the higher the success rate. But the survival rate gets lower. I am not sure how commercially practical it is, but you can use antiviral agent, heat and/or electro therapy combined with meristem culture to improve the success rate.

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