# Orange Bumps on Fruit Trees
Timely pest and disease control are among the cultural practices that go toward a healthy harvest of fruit. Many symptoms displayed by infected or infested trees are indicative of a disorder. Orange bumps are signs of a fungal infection known as cedar-apple rust.
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Identification
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Cedar-apple rust is a common fruit tree disease caused by Gymnosporangium juniperi-virginianae. Susceptible fruit trees include pear, apple, quince and crabapple. Commercial apple tree cultivars are also highly prone to this infection.
Damage
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Infection is characterized by the appearance of swollen tissues on branches and shoots. Bright orange, spore-producing growth starts to appear within the swollen areas or galls. Orange and yellow spots are evident on both sides of foliage, often spreading to the fruit. The spores inside the oranges' lesions spread by wind during dry weather and in the summer.
Control
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Control infection with recommended fungicides that include mancozeb, chlorothalonil, sulfur based products or myclobutanil. Plant and grow resistant fruit varieties if available.
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