Disease development is dependent on the host ... nectarines, plums, apricots, pluots, and cherries). Apple trees are commonly affected by fire blight, apple scab, fruit rots, rusts, and powdery mildew ...

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Is a particular pest or disease affecting your plants? Use the A to Z links to determine what's wrong and to help you deal with the problem. If you're not sure, try our interactive Pest and ...

Fungicide treatments must be repeated each year to protect susceptible trees.