Re: HYB: inducing polyploidy


Do you have some more infos about working with Oryzalin?

> Martin Weber asks about doubling chromosomes on *mellita/suaveolens* 
> via Colchicine. 
> 
> Colchicine is not the only treatment possible for chromosome doubling.
> 
> Kevin Vaughn has published a protocol for the use of Oryzalin 
> (available as Surflan and other herbicides) with daylilies.  The 
> method appears also to work with some irises at the same dilutions, 
> same method.  I understand the compound is MUCH safer to work with 
> than colchicine.
> 
> I would certainly welcome any information about who might already be 
> doing this work with n=12 beardeds, or would be interested in doing 
> so.  Tetraploid materials of some of the more recently circulated 
> bearded species and hybrids--such as of timofejewii--would be quite 
> useful, I believe.
> 
> Neil Mogensen  z 6b/7a near Asheville, NC
> 
> 
>  
> 
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> 
> 

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