For Sphaerotheca , apply the same materials at the same intervals from early June and through August. Alternate Benlate with sulfur to avoid resistance problems. Do not use sulfur on apricots. Use fixed copper in accordance with label directions. Twig borer, Oriental fruit moth.
Young larvae feed on terminals and the stem end of fruit.
This insect bores into the lower trunk of peach, apricot, cherry, nectarine and plum trees and can kill the tree. In this case, apply the treatments early to allow for the proper number of days. This treatment also helps control pear and cherry slug, the larval stage of a large-bodied fly. The larva resembles a slug and feeds on leaves, stripping the green tissue and leaving only the veins. Treated areas should be rounded at the top and bottom for more rapid healing.