- Author: Cheryl A. Wilen
The IR4 Program helps expand pesticide labels for use in minor crops such as ornamental plant production.
Western US issues are often put in at a lower rank because growers in the east and midwest participate more in priority setting surveys including the one I link to below.
If you want to have a say in what products are going to have targeted testing, you NEED to fill out this survey.
Preliminary Survey Results:
Top 3 plant disease categories:
1. Crown and root diseases (not caused by water molds)
2. Bacterial diseases
3. Powdery mildews
Top 3 pest categories:
2. Mites and spider mites
2. Borers and beetles
Top 3 weeds: