I have a peach tree that has peaches for the first time this year...lots of peaches. A lot of them fell off, but I probably would have needed to thin them anyway. However, I seem to remember that peaches seldom develop w/o some help in the form of insecticides. Is there anything I should treat it with, or is it too late?
I guess it is never too late. With peaches, we worry not only with insects, but diseases as well. Try to find a general purpose fruit spray, with a combination of insecticide and fungicide. We normally recommend spraying when two-thirds of the flower petals fall off, and continue roughly every two weeks throughout the season. Worms are the primary insect problem, but brown rot—a fungus, can take a crop seemingly overnight, especially following a rainy spell. Good luck.
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