Search the Herbicide-Resistance Reference Database

Searches the reference database - authors, title, abstract, and keywords fields. Not case sensitive.
You can use AND, OR, AND NOT operators. For instance : Tranel and Amaranthus and not glyphosate

PERMISSION MUST BE OBTAINED FIRST if you intend to base a significant portion of a scientific paper on data derived from this site. Citation:
Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Saturday, September 30, 2023 .  Available Copyright © 1993- 2023 All rights reserved. Fair use of this material is encouraged. Proper citation is requested.