Apple scab is one of the most common apple and crabapple diseases that gardeners have to deal with. Apple scab is caused by the fungus Venturia inaequalis. It will attack any varieties of crabapple ...

There have been reports that 2024 has been a bad year for apple scab in both fresh-eating apples and crab apples. Apple scab infections on fruit start off olive-green and turn into a rough, cork-like ...

ST PAUL, Minn. — In your own yard or driving around looking at someone else's trees, you might have noticed that crabapples look terrible this year. Absolutely terrible. The culprit is a fungal ...

Q: Can you tell me what is wrong with my crab apple tree, and what I should do about it? The leaves started turning yellow earlier this summer and now there are hardly any leaves left. It looks awful.

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 ...

MINNEAPOLIS — If you have honeycrisp trees in your yard, you might have found out that it’s not the easiest apple tree to grow. Turns out everyone’s favorite apple gives even commercial growers some ...