Year-Round IPM Program Pages
This year-round IPM program covers the major pests of both commercial and seed potato production fields in California.
- Mitigate pesticide effects on air and water quality.
What should you be doing during this time?
Consider crop rotation for reducing pathogens, harmful nematodes, and problem weeds.
Manage weeds in the previous crop.
- Survey for weeds and keep records (example weed survey form ).
- Also survey adjacent areas and crops for problem weeds, host plants of green peach aphid, potato psyllid, and other insects or diseases, and volunteer potatoes.
- Control volunteer potatoes.
Avoid herbicides that leave carry-over residues which may affect potatoes.
Take soil samples to assay for nematodes and soilborne fungal pathogens immediately after harvest of previous crop.
Manage residue from the previous crop.
Manage weeds between crops.
Watch for wireworms, especially if there is a history of damage. Manage if needed according to the Pest Management Guidelines.
Consider soil fumigation for nematodes and some soilborne pests.
Order seed potatoes of desired cultivar and certification level.
Check seed tubers for tuberborne diseases and frost damage.
Follow proper handling procedures for seed tubers.