Diagnosing heat stress in oats

Heat stress is caused by high temperatures and hot dry winds before or during flowering.

Withered and split leaf tips

What to look for


  • Tips of leaves turn brown to grey.
  • Some or all grains fail to develop in a panicle.

What else could it be

Condition Similarities Differences
Diagnosing copper deficiency in oats Flag leaf death and sterile florets Symptoms vary with soil type
Diagnosing stem and head frost damage in cereals Sterile florets Associated with cold not hot weather
Page last updated: Monday, 1 February 2016 - 9:22am