Gall

Grapes October 28, 2015 Print Friendly and PDF

Abnormal swelling of plant tissue caused by insects, microorganisms or injury.

Three types of leaf galls.

 

Gallfly galls on oak leaf Galls on peach leaves Spangle gall on oak

Photo by Mlogic / CC https://creativecommons.org/licenses/by-sa/3.0/deed.en

Connect with us

  • Twitter
  • Facebook
  • YouTube

Welcome

This is where you can find research-based information from America's land-grant universities enabled by eXtension.org

LOCATE

USDA / NIFA

This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.