Keith Duncan
@cygnusplantxray.bsky.social
Director of X-ray imaging at Danforth Plant Science Center using X-ray tomography and XRM, Rush music, whiskey, FJR1300, ice hockey, hoopy frood, US-Aussie citizen, love living in downtown St. Louis.
Love my 2012 FJR1300.
November 4, 2025 at 8:12 PM
Love my 2012 FJR1300.
"I must not fear. Fear is the mind killer."
November 4, 2025 at 8:05 PM
"I must not fear. Fear is the mind killer."
@nickdesnoyer.bsky.social I've enjoyed following your development of these flowers, wonderful. Any random aesthetic interest in pairing with some XRM imaging?
October 27, 2025 at 12:11 PM
@nickdesnoyer.bsky.social I've enjoyed following your development of these flowers, wonderful. Any random aesthetic interest in pairing with some XRM imaging?
Reposted by Keith Duncan
When I had the opportunity to perform X-ray microCT on infected tomato plants, I was excited to directly test the dogma in my field -- Does Ralstonia actually cause wilt symptoms by clogging the xylem?
apsjournals.apsnet.org/doi/full/10....
(Yes)
apsjournals.apsnet.org/doi/full/10....
(Yes)
Revisiting the Source of Wilt Symptoms: X-Ray Microcomputed Tomography Provides Direct Evidence That Ralstonia Biomass Clogs Xylem Vessels | PhytoFrontiers™
Ralstonia causes wilt diseases by colonizing xylem vessels and disrupting water transport. The dogma is that bacterial biomass clogs vessels and reduces the flow of xylem sap due to Ralstonia abundanc...
apsjournals.apsnet.org
October 14, 2025 at 1:37 PM
When I had the opportunity to perform X-ray microCT on infected tomato plants, I was excited to directly test the dogma in my field -- Does Ralstonia actually cause wilt symptoms by clogging the xylem?
apsjournals.apsnet.org/doi/full/10....
(Yes)
apsjournals.apsnet.org/doi/full/10....
(Yes)