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91ƵNightmare ooze91Ƶ a strain on cannabis industry: UBC Okanagan researcher

The research can be read in the Plant Disease journal
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A University of B.C. Okanagan research team is warning of a 91Ƶnightmare ooze91Ƶ that is killing cannabis plants this 4/20.

Doctoral student Chris Dumigan says his team has identified and analyzed the potentially deadly fungus threatening the cannabis industry - Berkeleyomyces rouxiae, more commonly known as black root rot.

91ƵHe contacted me and sent me some pictures of root rot. They tested it for every available cannabis pathogen, and everything was fine. But if you look at the pictures of the initial infection, they were not fine,91Ƶ Dumigan said, referring to a former classmate from Ontario, Delaney Bray-Stone.

91ƵThey had to wipe out a crop because it was killing all the plants, but they also had to shut down a wing of their facility and throw out a whole bunch of equipment. All the filters would form this thick, black sludge. Delaney still has nightmares about this thing because of how much stress it caused him.91Ƶ

Dumigan was challenged to reproduce the fungus for a lab study and used an alternative growing media of carrot agar allowing for researching treatments.

91ƵThey91Ƶre using things like sulphur to control fungi or canola oil for insects. Some biological products were approved, but many were developed for other crops,91Ƶ Dumigan said.

Dumigan was able to identify several species of bacteria that inhabit roots and secrete compounds that kill certain fungi.

91ƵI91Ƶve found several of them that kill this fungus, but none of this is published. It91Ƶs only a potential biocontrol, but they could be registered in Canada because it91Ƶs a certified organic option, not a conventional fungicide.91Ƶ

The genome has been released for other researchers to study. Dumigan is also working on a sequence-based diagnostic test to help other producers avoid similar issues.

The research can be read .

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Brittany Webster

About the Author: Brittany Webster

I am a video journalist based in Kelowna and capturing life in the Okanagan
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