When first noticed. Diazinon preharvest intervals vary by label. Follow label directions. Best timed with use of detection traps. Starting at the end of May, apply additional diazinon sprays every 10 days up to 10 days before harvest.
Preharvest intervals vary by label.
Follow label directions. Not a problem on peach, nectarine, or apricot. Apply as a spray or dust around the trunk at ground level. Repeated application may be essential. 2 to 3 weeks before harvest Brown rot on plum, peach, nectarine, or cherry Funginex OR Sulfur.