How to Manage Pests

UC Pest Management Guidelines

Caneberries

Glyphosate Injury

(Reviewed 12/09, updated 12/09)

In this Guideline:


Glyphosate (commercially sold as Round-Up) injury can be a common problem in raspberries. Raspberry varieties such as Nova are quite sensitive to glyphosate and injury can be caused by application several yards away in windy conditions or by spraying the plants and using a spray tank that has not been thoroughly washed out from an earlier spray containing glyphosate.

Glyphosate injury appears as a sharp purpling or pinking of leaf tissue in between the veins accompanied with severe curling of affected leaves. Generally, symptoms are most common on the tips of laterals, and they take on a thready appearance.

If the exposure has not been severe, the plant can most often recover and continue to fruit, albeit on a delayed schedule.

[Precautions]

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Caneberries
UC ANR Publication 3437

Abiotic Disorders

  • M. P. Bolda, UC Cooperative Extension Santa Cruz County

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Statewide IPM Program, Agriculture and Natural Resources, University of California
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