How to Manage Pests
UC Pest Management Guidelines
(Reviewed 1/18, updated 1/18)
In this Guideline:
SYMPTOMS AND SIGNS
Sunscald symptoms first appear as small water-soaked spots on upper surfaces of leaves, stems, or pods that are exposed to the sun. These spots are generally close together, turn reddish brown, and form large spots on affected plant parts.
COMMENTS ON THE DISORDER
This condition is caused by exposure to intense sunlight or high temperatures. These conditions occur following periods of high humidity and overcast skies.
UC IPM Pest Management Guidelines:
C. A. Frate (emeritus), UC Cooperative Extension, Tulare County
Acknowledgment for contributions to Abiotic Disorders:A. E. Hall (emeritus), Botany and Plant Sciences, UC Riverside
R. M. Davis (emeritus), Plant Pathology, UC Davis
R. L. Gilbertson, Plant Pathology, UC Davis
S. R. Temple (emeritus), Plant Sciences, UC Davis