AGRONOMY HUB

Tools and resources for functional sustainability.


Black Dot

Featured Article
Trical Employees Sit on Expert Panel on Black Dot in Potatoes

Black dot is spreading in potato fields — and farmers are right to be concerned. While not a new disease, black dot is becoming tougher to manage, stealing yield, blemishing tubers, and reducing marketability. That’s why Spud Smart brought together three experts for the Soil Under Siege panel.

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ARTICLES

Soil Fumigation Treatment Zones — What You Don’t Know Could be Stealing from Your Investment
Soil Fumigation Treatment Zones — What You Don’t Know Could be Stealing from Your Investment

When growers apply Strike soil fumigant under their carefully managed field conditions, they get impressive results — control of rhizoctonia, black dot, common scab; boosted crop yield and improved sustainability.

3/29/2022
Are You Throwing Money Away on Your Soil Fumigation?
Are You Throwing Money Away on Your Soil Fumigation?

You’ve seen the research study results that show soil fumigation with Strike can effectively subdue rhizoctonia, black dot, common scab, and early die complex. You’ve heard experts explain how chloropicrin can boost soil’s health and potato production’s sustainability.

3/8/2022
Strike Targets Seed Growers with Focus on Black Dot
Strike Targets Seed Growers with Focus on Black Dot

Black dot has historically been overlooked in potato seed production. Recent research shows that black dot, caused by the fungus Colletotrichum coccodes, working synergistically with Verticillium dahliae and root-lesion nematodes to weaken plants and reduce yields.

12/20/2024
What Global Lessons Have we Learned About the Suppression of Black Dot?
What Global Lessons Have we Learned About the Suppression of Black Dot?

One of the most underestimated culprits f crop loss Colletotrichum coccodes, or black dot, this pathogen thrives in stressed plants and plays a key role in the early die complex. But despite its impact, it’s often confused with or overshadowed by more familiar threats like verticillium wilt.

3/17/2025

PODCASTS

Trical Employees Sit on Expert Panel on Black Dot in Potatoes
Trical Employees Sit on Expert Panel on Black Dot in Potatoes

Black dot is spreading in potato fields — and farmers are right to be concerned. While not a new disease, black dot is becoming tougher to manage, stealing yield, blemishing tubers, and reducing marketability. That’s why Spud Smart brought together three experts for the Soil Under Siege panel.

8/14/2025

VIDEOS

Potato Expo 2020

Dr. Chad Hutchinson reviews how soil fumigation with Chloropicrin helps tackle potato scab, black dot, rhizoctonia, verticillium wilt, and nematodes while positively impacting overall soil health.?

3/2/2020
Trical Employees Sit on Expert Panel on Black Dot in Potatoes
Trical Employees Sit on Expert Panel on Black Dot in Potatoes

Black dot is spreading in potato fields — and farmers are right to be concerned. While not a new disease, black dot is becoming tougher to manage, stealing yield, blemishing tubers, and reducing marketability. That’s why Spud Smart brought together three experts for the Soil Under Siege panel.

8/14/2025