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UCANR: Safeguarding abundant and healthy food for all Californians
Diagnosing herbicide problems takes detective work
  • Author: Trina Kleist, UC Davis
Published on: July 3, 2024
Kassim Al-Khatib, right, of the Department of Plant Sciences, explains symptoms from the group of herbicides that work by mimicking plant hormones and the synthesis of fatty acids, demonstrated on rows of annual crops
Kassim Al-Khatib, right, of the Department of Plant Sciences, explains symptoms from the group of herbicides that work by mimicking plant hormones and the synthesis of fatty acids, demonstrated on rows of annual crops. Photos by Trina Kleist, UC Davis

Field day offers examples, tips for solving the mystery

A grower applies an herbicide to his tomato plants, or thinks a neighbor's treatment is drifting over her almond trees. A short time later, the leaves start to bleach or shrivel. Was it the herbicide? Or maybe water stress? Soil nutrients? Perhaps an insect?

Figuring out the causes of crop problems takes detective work, and like solving any mystery, it starts with knowing the signs, gathering evidence and asking questions.

The Diagnosing Herbicide Symptoms field day at UC Davis was an opportunity to see, up close, the shriveled cotton,...

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Public Value: UCANR: Safeguarding abundant and healthy food for all Californians
Tags: Becky Wheeler-Dykes (0), Brad Hanson (0), herbicide (0), IPM (0), John Roncoroni (0), Kassim Al-Khatib (0), pesticide (0), Plant Sciences (0), UC Davis (0), UC Davis Plant Sciences (0)
Focus Area Tags: Agriculture, Environment, Food, Pest Management
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