When present in large numbers, can be controlled with insecticidal soap or a labeled insecticide. The following disease alerts were posted May 18, 1999. Expect this disease to get a lot worse in the next month due to the rain of the past few weeks. Infection from apple scab will continue throughout the summer months if wet conditions prevail. Before buying or applying any pesticide, check the label to make sure the plant type is listed.
Fungicides vary in their formulation and percent active ingredient.
Follow all label directions regarding amounts of pesticide to use, methods of application and safety warnings. Fungicides are not harmful to honeybees and may be applied during bloom. For additional information see extension publication BP 39, Scab of Flowering Crabapples . Disease Control for the Home Grape Grower Bruce Bordelon, Small Fruit Specialist Grapes are one of the most popular home-grown fruits. They are relatively easy to grow and live for many years.