It might be easy to grow and care for an apple tree, but keeping it safe? Well, that is where the problems begin. There is no shortage of pests and diseases that affect it, and any one of them could ...

This has been one of the worst years for disease that I can remember as a gardener. Both here at the Garden and throughout the Chicago area, I have noticed many crabapples as well as serviceberries ...

There are hundreds of choices when picking a crabapple tree from the nursery, but a Purdue University expert says only a handful are resistant to a widespread fungus or other serious diseases. After ...

Q: I have a white flowering crab that we’ve had for about 20 years. Can you tell me what could possibly be wrong that’s causing the leaf problems, and is there anything I can do? — Christine W. A: We ...

Apple scab, caused by the fungal pathogen Venturia inaequalis, remains one of the most significant challenges to apple production globally. Intensive research has elucidated the complex interplay ...

Apple trees are susceptible to a number of disease problems that can affect fruit quality and the tree’s health. But there are things you can do now to help manage them, University of Illinois ...

Some crabapples are very susceptible to apple scab, and those not treated in spring may have lost many of their leaves. Their remaining leaves can be affected with black and yellow spots. Spraying at ...

More people than ever are gardening during the pandemic and you’re bound to have questions. Turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service.

Q. I know that flowering crabs are subject to injury from fire blight. My crab is resistant to apple scab disease, but it is looking pretty sick now having lost maybe 1/3rd of its leaves, so I am ...