Question: How do I keep the worms out of my peaches and plums?

Answer: Those are called plum curculios. They affect both of these related crops. Apply a general-purpose fruit spray starting in the pink bud stage in late winter (buds are fully swollen, but none has yet opened). Repeat the treatment when 75 percent of the petals have fallen and, thereafter, on 3-week intervals until harvest. Hopefully you’ll get them before they ruin the fruit. Get the complete spray schedule online by searching for “Homeowner Fruit and Nut Spray Schedule Texas A&M.”
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