Simazine Injury on Grape
Return to Abiotic Disorders
Simazine herbicide injury symptoms include interveinal chlorosis (yellowing) and can potentially progress to necrosis (browning, tissue death). Damage occurs when simazine is used repeatedly for a number of years or if the rate is too high.
Simazine injury to grape foliage.
(Photo: John Strang, University of Kentucky)
Management:
- Follow label instructions and label rates when applying simazine in vineyards.
