Abiotic Injuries

Type

Description
Treatment

2,4 D
2,4 D injury
Cupped leaves; twisted and distorted new growth.
Leach through with irrigation.
Dicamba Dicamba injury
Distorted, usually upward cupping leaves.

Leach through with irrigation.
MCPP MCPP injury
Puckered, distorted leaves.
Leach through with irrigation.
Roundup
Roundup injury Slight yellowing to stunted distorted and narrowed leaves; witches broom at buds.
Leach through with irrigation.
Salt
salt injury Yellowing, then browning of leaf margins; red tip burn on conifer needles.
Leach through with irrigation.
All pictures - Montana State University

Missoula County Extension Office; Missoula, Montana 59808 - Updated for 2006