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Susceptible Plant Disease or Insect Recommended Treatment
Crabapples Scab, rust, powdery mildew Plant resistant varieties.
Rake and destroy leaves in
winter. Lime sulfur and
dormant spray before buds open.
Daconil or Fertilome Systemic
Fungicide when leaves emerge.
Rhaphiolepsis, pyracantha,
photinia, ternstroemia, kalmia,
leucothoe
Scab, leaf spot Plant for good air circulation
Remove leaf litter and infected
leaves. Alternate Microcop,
Fertilome Systemic Fungicide,
or Daconil every 14 days in wet
season

Flowering cherries

Blossom blight, bacterial
canker
Remove and destroy infected
twigs and branches. Sterilize
pruners between cuts. Microcop