Many of you may be noticing large yellow-orange spots with red borders on the upper sides of your apple tree leaves. If you turn these leaves over you, will see spots on the underside as well.

PATIALA: The research scholars at IIT Ropar in collaboration with ABV - IIITM Gwalior had developed a model to detect the multiple diseases in Apple tree leaves with 90% accuracy using its images.

The fungus isn’t done, though. A new chapter unfolds when airborne spores land on the leaves of a nearby apple or crabapple tree, usually just after it blooms. First, yellow or orange spots ...

Any suggestions? — Marie F. In this reader-submitted photo, apple trees are seen with leaves still attached, an occurance known as marcescence. A: When leaves aren’t shed in autumn as normal ...

Question: I’m growing ‘Honeycrisp’ apple, and I’ve noticed that the leaves on my tree have these blotchy light yellow areas on them. It seems like most of the leaves have this; is it a ...