Abiotic in-crop constraints for wheat

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Group A herbicide damage

Constraint – Group A herbicide damage

Symptoms

  • Symptoms appear 7 to 10 days after spray application 
  • Directly sprayed areas are uniformly pale
  • Wilting can occur, along with pale/yellow necrotic spots on directly sprayed leaves.
  • Leaf blade may be pinched and white where droplets lodge at the junction of the leaf blade and the new leaf.
  • In more severe cases, root and shoot growth are inhibited and discoloured, which can lead to the death of the whole plant

Damage

  • Plants can suffer from stunting and/or reduced yield
  • In severe cases, the whole pant will die

Control

There is no treatment. Plants will either die or recover.

Links and Resources

DAFWA - Group A herbicide damage

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