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Petal Fall, Shuck Fall, First and Second Covers
Diseases. Black knot, brown rot, leaf spot.
Insects. Plum curculio, mites, leafrollers.
Black knot. Make a special effort to spray before warm rain periods to control black knot.
Mites. See Miticide Recommendations for Plum and Prune for suggestions. Apply these sprays at about 10-day intervals.
Aphids. Apply Actara at 3.0 to 4.5 ounces or Provado at 4.0 to 6.0 fluid ounces or Thionex 50W at 3.0 lbs/acre.
Pesticide Recommendations for Plum and Prune, Petal Fall, Shuck Fall, First and Second Covers