This past year, Perennia introduced a new online pest guide tool. This new tool is a database so it gives us the flexibility to share information about pesticide products.
As we approach the harvest season, I want to give apple growers an easy product list to reference for preharvest intervals (PHI). You may sort the apple schedule table by PHI. Or, there is now a simple product list with all pesticides from the apple guide (without a schedule format).
Here's how you can access the product list online:
- Visit the online pest guide tool at https://www.perennia.ca/pest-guides/
- Click on the tab for 'Tree and Vine Fruit Pest Guides' and choose either 'Insects, Diseases, and Growth Regulators' or 'Weeds'
- Under View Options select 'List of All Pesticides Contained in this Guide' or 'List of all Herbicides Contained in this Guide'
- At this point you may view the entire list or filter by pesticide type such as only fungicides or only insecticides.
- In the table, the products are sorted alphabetically by default. Click on the column header 'Preharvest Interval, PHI (days)' once to sort by PHI in ascending order (short to long PHI) or click a second time to reverse the sorting direction to descending order (long to short PHI).
If you prefer a printout, feel free to download this file of insecticide, fungicide and miticide products, or herbicides that are sorted by PHI in descending order. (If printing, please note that the online version will always be the most up-to-date as information is updated periodically.)
Please let me know if any products are missing from the list as I continue to improve this resource.
