Cultivar Mgmt. Profiles
Ranger Russet
Russet Norkotah
Yukon Gold
Atantic
Norland
Snowden
Red Cloud
Shepody
Fertilizers
Potassium
Sulfur
Micronutrients
Placement
Cementing
Crusting
External Disorders
Internal Disorders
Environmental Disorders
Diseases
Wilts
Tuber Wet Rot
Tuber Blemishes
Early Blights
Beneficial Insects
Predators
Green Lacewings
Lady Beetles
Stink Bugs
Insects
Defoliators
Vectors
Tuber Eaters
General Interest
Lab to Label
Controlling Volunteers
Biopesticides
Chemophobia
Neutraceutical
BT Potato
Chemical Effects
Controlling Volunteers
Weed Control

[Weed Control] [Herbicidal Resitance] [Injury by Application]
[
Injury by Drift] [Injury by Carryover] [Herbicide Injury Summary]

 

HERBICIDE INJURY SUMMARY

Table. Summary of Potato Injury Symptoms from Herbicides

  LEAVES STEMS ROOTS
Glyphosate Yellow, brown, die die die
Metolaclor Heart-shape, crinkle,downward cup delayed, emergence stunting ---
Pendimethalin trifluralin Dark green blothces, some crinkling Delayed emergence, short thick sprout, stunting, brittle Knobby tips, missing hairs, growth stopped
Metribuzin
Linuron
(Triazines)
Yellow margins & tips, interveinal yellowing to browning --- ---
Rimsulfuron
(Imidazolinones)
(Sulfonylureas)
Yellow blades, purple veins (NOTE: tubers mis-shapen) Stunting, purpling ---
EPTC Crinkled, puckered, thickened, dark green, closed-leaf buds delayed emergence stunting ---
PGRs Cupped, crinkled, strapped, curled, parallel veining, fiddle-necking twisted, bent ---
Diquat Paraquat Speckling (drift) --- ---

References

Bissonnette, H.L., D. Preston and H.A. Lamey. 1993. Potato Productin and Pest Management in No. Dakota and Minnesota. NDSU/U Minn Ext. Bull. #26.
Gunsolus, J.L. and W.S. Curran. 1998. Herbicide Mode of Action and Injury Symptoms. No. Central Reg. Ext. Pub. #377.
Pavlista, A.D. 1993. Nebraska Potato Focus. Nebr. Coop. Ext. Pub. #PHREC93-04.
Wilson, R., D. Lyon and A. Martin. 1999. Herbicide Mode of Action. Nebr. Coop. Ext. Workshop Manual.