[Arabidopsis] Help with dying plants!
(by james.stark from umb.edu)
Tue Jan 13 12:42:57 EST 2015
Could it be Impatiens Necrotic Spot Virus, which is transmitted by
thrips? It would seem that your pesticide applications and sanitation
measures would have eliminated any thrips problem, but the symptoms are
consistent with INSV. See
On 1/13/2015 12:04 PM, arab-gen-request from oat.bio.indiana.edu wrote:
> Send Arab-gen mailing list submissions to
> arab-gen from net.bio.net
> To subscribe or unsubscribe via the World Wide Web, visit
> or, via email, send a message with subject or body 'help' to
> arab-gen-request from net.bio.net
> You can reach the person managing the list at
> arab-gen-owner from net.bio.net
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Arab-gen digest..."
> Today's Topics:
> 1. Help with dying plants! (Pablo JENIK)
> Message: 1
> Date: Mon, 12 Jan 2015 11:24:18 -0500
> From: Pablo JENIK <pablojenik from aya.yale.edu>
> Subject: [Arabidopsis] Help with dying plants!
> To: arab-gen from magpie.bio.indiana.edu
> <CAP5aKvMNE42Ejz19W8Ksg4vyhaj053Yum+1nGJLORSv9=4Mx2Q from mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> Dear colleagues,
> Most of our Arabidopsis have been dying, and I was hoping the community
> could help us figure out why, and a solution.
> We have been growing our plants in Convirons, on MetroMix 360 and slow
> release fertilizer for years without problems (other than thrips). Last
> semester our plants started dying in a pattern I had not seen before. At
> about two weeks or so the leaves start to turn yellow, and then the plants
> turn white and dry and dead. The plants that survive to flowering will also
> turn pale and wilt. It happens at random positions in a flat, but it
> eventually spreads to all the plants in the flat. At first we thought it
> was thrips, because we've had them in the past (although I had never seen
> thrips give symptoms before flowering). But we have been on a rotation of
> pesticides that had been working well. Then we changed to a new bag of
> soil. Then we threw away all the plants, cleaned the Convirons well, and
> left them empty for at least two-three weeks. No matter, our newest batch
> of flats is showing the same symptoms!
> Any help will be really appreciated. We are getting desperate, as research
> is stuck without the plants.
> Thanks to all,
More information about the Arab-gen