oa Agricultural Journal of the Union of South Africa - Giant twig gall of willow, poplar, peach, apple and other trees.

Volume 36, Issue 4
  • ISSN :



The galls are rather light but firm woody , roundish outgrowths on the twigs and smaller branches. They appear to start from a single small point and to extend rapidly, at least at first, in all outward directions.

Loading full text...

Full text loading...


Article metrics loading...


This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error