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Potato Production Problems (A1817)

This has been designed for a clipboard to help with potato diagnostics program.

Andy Robinson, Extension Potato Agronomist, North Dakota State University/University of Minnesota


Photo 1

Metribuzin

Picture 2

Glyphosate

PPO Inhibitor

PPO Inhibitor

Photo by Andy Robinson

Dimetheamid

Photo 5

Synthetic Auxin

Photo by Andy Robinson

Potassium Deficiency

Photo by Andy Robinson

Dickeya

Photo by Andy Robinson

Early Blight

Photo by Andy Robinson

Late Blight

Photo by Andy Robinson

Heat Crinkle

Photo by Andy Robinson

Freeze Damage

Photo by Andy Robinson

Phosphorous Acid Burn

Photo by Andy Robinson

Stem End Fusarium

Photo by Andy Robinson

Powdery Scab

Photo by Andy Robinson

Silver Scurf

Photo by Andy Robinson

Common Scab

Tuber Cracking

Tuber Cracking from Herbicide

Photo by Andy Robinson

Thumbnail Bruise

Photo by Andy Robinson

Black Dot

Photo by Andy Robinson

Mop-top

Photo by Andy Robinson

Greening

Photo by Andy Robinson

Road Mapping

Photo by Andy Robinson

PVY ntn

Photo by Andy Robinson

Lenticel Spot

Photo by Andy Robinson

Skinning

Blackheart

Blackheart

Photo by Andy Robinson

Heat Necrosis

Photo by Andy Robinson

Internal Anthocyanin Pigmentation

Photo by Andy Robinson

Black Scurf

Photo by Andy Robinson

Tobacco Rattle Virus

Have potato problems?  Visit Potato Dr.

Photos by Andy Robinson

NDSU Extension

MN Extension

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