Maybe a drop of bleach in the seedling water? On 2/15/2021 5:14 PM, Tim Eck via pbs wrote: > An antibacterial treatment could kill the chloroplasts which are > technically bacteria. I think I recall experiments 'curing' euglena of > their chloroplasts. > > On Mon, Feb 15, 2021 at 8:07 PM kellyo--- via pbs < > pbs@lists.pacificbulbsociety.net> wrote: > >>> 12.5 percent seems high for a known fatal condition among photosynthetic >> species. >> >> I very rarely see that. Because it happened to two different species at >> the same time, I would suspect some unusual environmental condition. >> Maybe a unintentional chemical treatment or irradiation of some kind. >> Live in an industrial area or have a cell tower above your house? >> (mostly joking, lol) >> >> -- >> This email has been checked for viruses by Avast antivirus software. >> https://www.avast.com/antivirus/ >> >> _______________________________________________ >> pbs mailing list >> pbs@lists.pacificbulbsociety.net >> http://lists.pacificbulbsociety.net/cgi-bin/… >> Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net> >> > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net> _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>