Abiotic in-crop constraints for wheat


Group K herbicide damage

Constraint – Group K herbicide damage


  • Plants germinate but fail to emerge
  • Seedlings are often malformed and twisted, with leaves tightly rolled which do not unroll normally


  • Stunted twisted seedlings


There is no treatment available. Preventative measures include ensuring soil throw on the inter-row whilst maintaining a seed furrow free from herbicide.

Links and Resources

DAFWA - Group K herbicide damage

Introduction, what to look for on plant and in paddock, what else could it be, and treatment.

DEPI VIC - Group K herbicide damage

Information on residual herbicide presence, which herbicides are residual, how herbicides break down, and avoidance methods. Page last updated 2013.